diff --git a/.github/workflows/basic-checks.yml b/.github/workflows/basic-checks.yml
index 4c487294c7..6c393cde80 100644
--- a/.github/workflows/basic-checks.yml
+++ b/.github/workflows/basic-checks.yml
@@ -3,7 +3,7 @@ name: Basic checks
 on: [pull_request]
 
 env:
-  JAVA_VERSION: 21
+  JAVA_VERSION: 22
 
 jobs:
   spotless:
diff --git a/.github/workflows/code-analysis.yml b/.github/workflows/code-analysis.yml
index 1122f4c27f..42bc4fb05e 100644
--- a/.github/workflows/code-analysis.yml
+++ b/.github/workflows/code-analysis.yml
@@ -8,7 +8,7 @@ on:
     - cron: '0 20 * * 4'
 
 env:
-  JAVA_VERSION: 21
+  JAVA_VERSION: 22
 
 jobs:
   sonar:
diff --git a/.github/workflows/docker-publish.yaml b/.github/workflows/docker-publish.yaml
index 9544b6e31a..90c3294145 100644
--- a/.github/workflows/docker-publish.yaml
+++ b/.github/workflows/docker-publish.yaml
@@ -7,7 +7,7 @@ on:
       - 'master'
 
 env:
-  JAVA_VERSION: 21
+  JAVA_VERSION: 22
 
 jobs:
   docker:
diff --git a/.github/workflows/docker-verify.yaml b/.github/workflows/docker-verify.yaml
index b1a5fc0294..1220597190 100644
--- a/.github/workflows/docker-verify.yaml
+++ b/.github/workflows/docker-verify.yaml
@@ -3,7 +3,7 @@ name: Docker Verify
 on: [pull_request]
 
 env:
-  JAVA_VERSION: 21
+  JAVA_VERSION: 22
 
 jobs:
   docker:
diff --git a/.github/workflows/releases.yaml b/.github/workflows/releases.yaml
index 399f00ca4d..5b3e9b272a 100644
--- a/.github/workflows/releases.yaml
+++ b/.github/workflows/releases.yaml
@@ -10,7 +10,7 @@ defaults:
     shell: bash
 
 env:
-  JAVA_VERSION: 21
+  JAVA_VERSION: 22
 
 jobs:
 
diff --git a/README.md b/README.md
index 846e897549..8223d3d0e8 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # TJ-Bot
 
 [![codefactor](https://img.shields.io/codefactor/grade/github/together-java/tj-bot)](https://www.codefactor.io/repository/github/together-java/tj-bot)
-![Java](https://img.shields.io/badge/Java-21-ff696c)
+![Java](https://img.shields.io/badge/Java-22-ff696c)
 [![license](https://img.shields.io/github/license/Together-Java/TJ-Bot)](https://github.com/Together-Java/TJ-Bot/blob/master/LICENSE)
 ![GitHub release (latest by date)](https://img.shields.io/github/v/release/Together-Java/TJ-Bot?label=release)
 
diff --git a/application/build.gradle b/application/build.gradle
index 320ccc6f19..66dfcfe5c9 100644
--- a/application/build.gradle
+++ b/application/build.gradle
@@ -18,7 +18,7 @@ repositories {
 var outputImage = 'togetherjava.org:5001/togetherjava/tjbot:' + System.getenv('BRANCH_NAME') ?: 'latest'
 
 jib {
-    from.image = 'eclipse-temurin:21'
+    from.image = 'eclipse-temurin:22'
     to {
         image = outputImage
         auth {
@@ -46,7 +46,7 @@ dependencies {
     implementation project(':utils')
     implementation project(':formatter')
 
-    implementation 'net.dv8tion:JDA:5.0.0-beta.21'
+    implementation 'net.dv8tion:JDA:5.1.0'
 
     implementation 'org.apache.logging.log4j:log4j-core:2.23.0'
     runtimeOnly 'org.apache.logging.log4j:log4j-slf4j18-impl:2.18.0'
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/code/CodeMessageHandler.java b/application/src/main/java/org/togetherjava/tjbot/features/code/CodeMessageHandler.java
index 5e9e7b69d9..601f91663f 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/code/CodeMessageHandler.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/code/CodeMessageHandler.java
@@ -224,7 +224,7 @@ public void onMessageUpdated(MessageUpdateEvent event) {
 
             // Re-apply the current action
             return codeReplyMessage.editMessageEmbeds(maybeCodeAction.orElseThrow().apply(code));
-        }).queue(any -> {
+        }).queue(_ -> {
         }, failure -> logger.warn(
                 "Attempted to update a code-reply-message ({}), but failed. The original code-message was {}",
                 codeReplyMessageId, originalMessageId, failure));
@@ -253,7 +253,7 @@ public void onMessageDeleted(MessageDeleteEvent event) {
         // Delete the code reply as well
         originalMessageToCodeReply.invalidate(originalMessageId);
 
-        event.getChannel().deleteMessageById(codeReplyMessageId).queue(any -> {
+        event.getChannel().deleteMessageById(codeReplyMessageId).queue(_ -> {
         }, failure -> logger.warn(
                 "Attempted to delete a code-reply-message ({}), but failed. The original code-message was {}",
                 codeReplyMessageId, originalMessageId, failure));
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/github/GitHubReference.java b/application/src/main/java/org/togetherjava/tjbot/features/github/GitHubReference.java
index 5592e04592..960587e8a4 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/github/GitHubReference.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/github/GitHubReference.java
@@ -236,7 +236,7 @@ Optional<GHIssue> findIssue(int id, String targetIssueTitle) {
                 if (issue.getTitle().equals(targetIssueTitle)) {
                     return Optional.of(issue);
                 }
-            } catch (FileNotFoundException ignored) {
+            } catch (FileNotFoundException _) {
                 return Optional.<GHIssue>empty();
             } catch (IOException ex) {
                 throw new UncheckedIOException(ex);
@@ -255,7 +255,7 @@ Optional<GHIssue> findIssue(int id, long defaultRepoId) {
                         issue = repository.getPullRequest(id);
                     }
                     return Optional.of(issue);
-                } catch (FileNotFoundException ignored) {
+                } catch (FileNotFoundException _) {
                     return Optional.<GHIssue>empty();
                 } catch (IOException ex) {
                     throw new UncheckedIOException(ex);
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/help/GuildLeaveCloseThreadListener.java b/application/src/main/java/org/togetherjava/tjbot/features/help/GuildLeaveCloseThreadListener.java
index 0e4cff2eba..5d1a4d7260 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/help/GuildLeaveCloseThreadListener.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/help/GuildLeaveCloseThreadListener.java
@@ -36,7 +36,7 @@ public void onGuildMemberRemove(GuildMemberRemoveEvent event) {
                 .filter(thread -> thread.getOwnerIdLong() == event.getUser().getIdLong())
                 .filter(thread -> thread.getParentChannel().getName().matches(helpForumPattern))
                 .forEach(thread -> thread.sendMessageEmbeds(embed)
-                    .flatMap(any -> thread.getManager().setArchived(true))
+                    .flatMap(_ -> thread.getManager().setArchived(true))
                     .queue()));
     }
 }
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/help/HelpSystemHelper.java b/application/src/main/java/org/togetherjava/tjbot/features/help/HelpSystemHelper.java
index 70a96aea7c..b10d8fd0db 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/help/HelpSystemHelper.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/help/HelpSystemHelper.java
@@ -165,7 +165,7 @@ RestAction<Message> constructChatGptAttempt(ThreadChannel threadChannel,
         }
 
         MessageEmbed responseEmbed = generateGptResponseEmbed(answer, selfUser, originalQuestion);
-        return message.flatMap(any -> threadChannel.sendMessageEmbeds(responseEmbed)
+        return message.flatMap(_ -> threadChannel.sendMessageEmbeds(responseEmbed)
             .addActionRow(
                     generateDismissButton(componentIdInteractor, idForDismissButton.toString())));
     }
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadAutoArchiver.java b/application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadAutoArchiver.java
index 4b0b6a317a..41792957ff 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadAutoArchiver.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadAutoArchiver.java
@@ -151,7 +151,7 @@ private void triggerArchiveFlow(ThreadChannel threadChannel, long authorId,
 
                 return sendEmbedWithMention.apply(authorResults.get());
             })
-            .flatMap(any -> threadChannel.getManager().setArchived(true))
+            .flatMap(_ -> threadChannel.getManager().setArchived(true))
             .queue();
     }
 
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadCommand.java b/application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadCommand.java
index 0adcd14a22..9acd2d0fb4 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadCommand.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadCommand.java
@@ -102,7 +102,7 @@ public HelpThreadCommand(Config config, HelpSystemHelper helper) {
             .collect(Collectors.toMap(Subcommand::getCommandName, Function.identity()));
         subcommandToCooldownCache = new EnumMap<>(streamSubcommands()
             .filter(Subcommand::hasCooldown)
-            .collect(Collectors.toMap(Function.identity(), any -> createCooldownCache.get())));
+            .collect(Collectors.toMap(Function.identity(), _ -> createCooldownCache.get())));
         subcommandToEventHandler = new EnumMap<>(Map.of(Subcommand.CHANGE_CATEGORY,
                 this::changeCategory, Subcommand.CHANGE_TITLE, this::changeTitle, Subcommand.CLOSE,
                 this::closeThread, Subcommand.RESET_ACTIVITY, this::resetActivity));
@@ -158,7 +158,7 @@ private void changeCategory(SlashCommandInteractionEvent event, ThreadChannel he
         refreshCooldownFor(Subcommand.CHANGE_CATEGORY, helpThread);
 
         helper.changeChannelCategory(helpThread, category)
-            .flatMap(any -> sendCategoryChangedMessage(helpThread.getGuild(), event.getHook(),
+            .flatMap(_ -> sendCategoryChangedMessage(helpThread.getGuild(), event.getHook(),
                     helpThread, category))
             .queue();
     }
@@ -185,7 +185,7 @@ private RestAction<Message> sendCategoryChangedMessage(Guild guild, InteractionH
         String headsUpPattern = "%s please have a look, thanks.";
         String headsUpWithoutRole = headsUpPattern.formatted("");
         String headsUpWithRole = headsUpPattern.formatted(helperRole.orElseThrow().getAsMention());
-        return action.flatMap(any -> helpThread.sendMessage(headsUpWithoutRole)
+        return action.flatMap(_ -> helpThread.sendMessage(headsUpWithoutRole)
             .flatMap(message -> message.editMessage(headsUpWithRole)));
     }
 
@@ -195,7 +195,7 @@ private void changeTitle(SlashCommandInteractionEvent event, ThreadChannel helpT
         refreshCooldownFor(Subcommand.CHANGE_TITLE, helpThread);
 
         helper.renameChannel(helpThread, title)
-            .flatMap(any -> event.reply("Changed the title to **%s**.".formatted(title)))
+            .flatMap(_ -> event.reply("Changed the title to **%s**.".formatted(title)))
             .queue();
     }
 
@@ -206,7 +206,7 @@ private void closeThread(SlashCommandInteractionEvent event, ThreadChannel helpT
             .setColor(HelpSystemHelper.AMBIENT_COLOR)
             .build();
 
-        event.replyEmbeds(embed).flatMap(any -> helpThread.getManager().setArchived(true)).queue();
+        event.replyEmbeds(embed).flatMap(_ -> helpThread.getManager().setArchived(true)).queue();
     }
 
     private void resetActivity(SlashCommandInteractionEvent event, ThreadChannel helpThread) {
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadCreatedListener.java b/application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadCreatedListener.java
index e01a879e82..e5e4c9d6c4 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadCreatedListener.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/help/HelpThreadCreatedListener.java
@@ -76,7 +76,7 @@ private boolean wasThreadAlreadyHandled(long threadChannelId) {
         // the threads we already handled
         Instant now = Instant.now();
         // NOTE It is necessary to do the "check if exists, otherwise insert" atomic
-        Instant createdAt = threadIdToCreatedAtCache.get(threadChannelId, any -> now);
+        Instant createdAt = threadIdToCreatedAtCache.get(threadChannelId, _ -> now);
         return createdAt != now;
     }
 
@@ -84,9 +84,9 @@ private void handleHelpThreadCreated(ThreadChannel threadChannel) {
         threadChannel.retrieveStartMessage().flatMap(message -> {
             registerThreadDataInDB(message, threadChannel);
             return sendHelperHeadsUp(threadChannel)
-                .flatMap(any -> HelpThreadCreatedListener.isContextSufficient(message),
-                        any -> createAIResponse(threadChannel, message))
-                .flatMap(any -> pinOriginalQuestion(message));
+                .flatMap(_ -> HelpThreadCreatedListener.isContextSufficient(message),
+                        _ -> createAIResponse(threadChannel, message))
+                .flatMap(_ -> pinOriginalQuestion(message));
         }).queue();
     }
 
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/mediaonly/MediaOnlyChannelListener.java b/application/src/main/java/org/togetherjava/tjbot/features/mediaonly/MediaOnlyChannelListener.java
index 083dd193ec..11f666beaa 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/mediaonly/MediaOnlyChannelListener.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/mediaonly/MediaOnlyChannelListener.java
@@ -46,7 +46,7 @@ public void onMessageReceived(MessageReceivedEvent event) {
         }
 
         if (messageHasNoMediaAttached(message)) {
-            message.delete().flatMap(any -> dmUser(message)).queue(any -> {
+            message.delete().flatMap(_ -> dmUser(message)).queue(_ -> {
             }, failure -> tempNotifyUserInChannel(message));
         }
     }
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/moderation/TransferQuestionCommand.java b/application/src/main/java/org/togetherjava/tjbot/features/moderation/TransferQuestionCommand.java
index 58ad3a5766..5009af4907 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/moderation/TransferQuestionCommand.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/moderation/TransferQuestionCommand.java
@@ -150,7 +150,7 @@ public void onModalSubmitted(ModalInteractionEvent event, List<String> args) {
         // Has been handled if original message was deleted by now.
         // Deleted messages cause retrieveMessageById to fail.
         Consumer<Message> notHandledAction =
-                any -> transferFlow(event, channelId, authorId, messageId);
+                _ -> transferFlow(event, channelId, authorId, messageId);
 
         Consumer<Throwable> handledAction = failure -> {
             if (failure instanceof ErrorResponseException errorResponseException
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/moderation/attachment/BlacklistedAttachmentListener.java b/application/src/main/java/org/togetherjava/tjbot/features/moderation/attachment/BlacklistedAttachmentListener.java
index db1060aefb..c7cd224f18 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/moderation/attachment/BlacklistedAttachmentListener.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/moderation/attachment/BlacklistedAttachmentListener.java
@@ -49,7 +49,7 @@ public void onMessageReceived(MessageReceivedEvent event) {
     }
 
     private void handleBadMessage(Message message) {
-        message.delete().flatMap(any -> dmUser(message)).queue(any -> warnMods(message));
+        message.delete().flatMap(_ -> dmUser(message)).queue(_ -> warnMods(message));
     }
 
     private RestAction<Message> dmUser(Message message) {
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/moderation/scam/ScamBlocker.java b/application/src/main/java/org/togetherjava/tjbot/features/moderation/scam/ScamBlocker.java
index 5330ffd351..981324fb0d 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/moderation/scam/ScamBlocker.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/moderation/scam/ScamBlocker.java
@@ -255,7 +255,7 @@ private void dmUser(MessageReceivedEvent event) {
     }
 
     private void dmUser(Guild guild, long userId, JDA jda) {
-        jda.openPrivateChannelById(userId).flatMap(channel -> dmUser(guild, channel)).queue(any -> {
+        jda.openPrivateChannelById(userId).flatMap(channel -> dmUser(guild, channel)).queue(_ -> {
         }, failure -> logger.debug(
                 "Unable to send dm message to user {} in guild {} to inform them about a scam message being blocked",
                 userId, guild.getId(), failure));
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/reminder/RemindRoutine.java b/application/src/main/java/org/togetherjava/tjbot/features/reminder/RemindRoutine.java
index 1da5871a1d..0f2f0417d2 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/reminder/RemindRoutine.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/reminder/RemindRoutine.java
@@ -154,7 +154,7 @@ Failed to send a reminder with (authorID '{}') skipping it. This can be due to a
 
         int failureAttempts = pendingReminder.getFailureAttempts() + 1;
         Instant remindAt = Instant.now().plus(1, ChronoUnit.MINUTES);
-        database.write(any -> {
+        database.write(_ -> {
             pendingReminder.setRemindAt(remindAt);
             pendingReminder.setFailureAttempts(failureAttempts);
             pendingReminder.insert();
diff --git a/application/src/main/java/org/togetherjava/tjbot/features/utils/LinkPreviews.java b/application/src/main/java/org/togetherjava/tjbot/features/utils/LinkPreviews.java
index cc84fa3083..6b8e4a58f5 100644
--- a/application/src/main/java/org/togetherjava/tjbot/features/utils/LinkPreviews.java
+++ b/application/src/main/java/org/togetherjava/tjbot/features/utils/LinkPreviews.java
@@ -63,7 +63,7 @@ public static CompletableFuture<List<LinkPreview>> createLinkPreviews(List<Strin
             .toList();
 
         var allDoneTask = CompletableFuture.allOf(tasks.toArray(CompletableFuture[]::new));
-        return allDoneTask.thenApply(any -> extractResults(tasks)).exceptionally(e -> {
+        return allDoneTask.thenApply(_ -> extractResults(tasks)).exceptionally(e -> {
             logger.error("Unknown error during link preview creation", e);
             return List.of();
         });
diff --git a/build.gradle b/build.gradle
index 3f6d5863ff..eb98d9df84 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,8 +1,8 @@
 plugins {
     id 'java'
     id "com.diffplug.spotless" version "6.25.0"
-    id "org.sonarqube" version "5.0.0.4638"
-    id "name.remal.sonarlint" version "4.2.2"
+    id "org.sonarqube" version "5.1.0.4882"
+    id "name.remal.sonarlint" version "4.2.8"
 }
 
 group 'org.togetherjava'
@@ -55,16 +55,16 @@ subprojects {
     java {
         toolchain {
             // Nails the Java-Version of every Subproject
-            languageVersion = JavaLanguageVersion.of(21)
+            languageVersion = JavaLanguageVersion.of(22)
         }
     }
 
     // sonarlint configuration, not to be confused with sonarqube/sonarcloud.
     sonarLint {
         rules {
-            disable(
-                    'java:S1135' // Disables "Track uses of "TO-DO" tags" rule.
-            )
+            disable('java:S1135') // Disables "Track uses of "TO-DO" tags" rule.
+            disable('java:S1190')
+            disable('java:S117')
         }
     }
 
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index d64cd49177..e6441136f3 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 1af9e0930b..a4413138c9 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/gradlew b/gradlew
index 1aa94a4269..b740cf1339 100755
--- a/gradlew
+++ b/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
diff --git a/gradlew.bat b/gradlew.bat
index 93e3f59f13..25da30dbde 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -43,11 +43,11 @@ set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
 if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -57,11 +57,11 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail