diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c1019f..e5fc7a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
-## [Unreleased]
+## [1.0.0] - 2022-12-15
 ### Added
 * Add support for glossary management functions.
 ### Changed
@@ -53,7 +53,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 Initial version.
 
 
-[Unreleased]: https://github.com/DeepLcom/deepl-java/compare/v0.2.1...HEAD
+[1.0.0]: https://github.com/DeepLcom/deepl-java/compare/v0.2.1...v1.0.0
 [0.2.1]: https://github.com/DeepLcom/deepl-java/compare/v0.2.0...v0.2.1
 [0.2.0]: https://github.com/DeepLcom/deepl-java/compare/v0.1.3...v0.2.0
 [0.1.3]: https://github.com/DeepLcom/deepl-java/compare/v0.1.2...v0.1.3
diff --git a/README.md b/README.md
index 3b7dec7..6aac1e7 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Java 1.8 or later.
 Add this dependency to your project's build file:
 
 ```
-implementation "com.deepl.api:deepl-java:0.2.1"
+implementation "com.deepl.api:deepl-java:1.0.0"
 ```
 
 ### Maven users
@@ -42,7 +42,7 @@ Add this dependency to your project's POM:
 <dependency>
   <groupId>com.deepl.api</groupId>
   <artifactId>deepl-java</artifactId>
-  <version>0.2.1</version>
+  <version>1.0.0</version>
 </dependency>
 ```
 
diff --git a/deepl-java/build.gradle.kts b/deepl-java/build.gradle.kts
index a88273c..37b3c61 100644
--- a/deepl-java/build.gradle.kts
+++ b/deepl-java/build.gradle.kts
@@ -6,7 +6,7 @@ plugins {
 }
 
 group = "com.deepl.api"
-version = "0.2.1"
+version = "1.0.0"
 
 java {
     sourceCompatibility = JavaVersion.VERSION_1_8
diff --git a/deepl-java/src/main/java/com/deepl/api/Translator.java b/deepl-java/src/main/java/com/deepl/api/Translator.java
index cad7db9..915a567 100644
--- a/deepl-java/src/main/java/com/deepl/api/Translator.java
+++ b/deepl-java/src/main/java/com/deepl/api/Translator.java
@@ -55,7 +55,7 @@ public Translator(String authKey, TranslatorOptions options) throws IllegalArgum
       headers.putAll(options.getHeaders());
     }
     headers.putIfAbsent("Authorization", "DeepL-Auth-Key " + authKey);
-    headers.putIfAbsent("User-Agent", "deepl-java/0.2.1");
+    headers.putIfAbsent("User-Agent", "deepl-java/1.0.0");
 
     this.httpClientWrapper =
         new HttpClientWrapper(