diff --git a/brouter-core/src/main/java/btools/router/OsmTrack.java b/brouter-core/src/main/java/btools/router/OsmTrack.java
index 658c75f6..66c645f0 100644
--- a/brouter-core/src/main/java/btools/router/OsmTrack.java
+++ b/brouter-core/src/main/java/btools/router/OsmTrack.java
@@ -23,8 +23,8 @@
 import btools.util.FrozenLongMap;
 
 public final class OsmTrack {
-  final public static String version = "1.7.5";
-  final public static String versionDate = "05062024";
+  final public static String version = "1.7.6";
+  final public static String versionDate = "20062024";
 
   // csv-header-line
   private static final String MESSAGES_HEADER = "Longitude\tLatitude\tElevation\tDistance\tCostPerKm\tElevCost\tTurnCost\tNodeCost\tInitialCost\tWayTags\tNodeTags\tTime\tEnergy";
diff --git a/brouter-routing-app/build.gradle b/brouter-routing-app/build.gradle
index cc690a7d..e7daacc6 100644
--- a/brouter-routing-app/build.gradle
+++ b/brouter-routing-app/build.gradle
@@ -13,7 +13,7 @@ android {
         namespace 'btools.routingapp'
         applicationId "btools.routingapp"
 
-        versionCode 52
+        versionCode 53
         versionName project.version
 
         resValue('string', 'app_version', defaultConfig.versionName)
diff --git a/brouter-routing-app/proguard-rules.pro b/brouter-routing-app/proguard-rules.pro
index f1b42451..95f02789 100644
--- a/brouter-routing-app/proguard-rules.pro
+++ b/brouter-routing-app/proguard-rules.pro
@@ -19,3 +19,11 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+
+-keep class btools.codec.** { *; }
+-keep class btools.router.** { *; }
+-keep class btools.expressions.** { *; }
+-keep class btools.mapaccess.** { *; }
+-keep class btools.server.** { *; }
+-keep class btools.util.** { *; }
+-keep class btools.routingapp.** { *; }
diff --git a/buildSrc/src/main/groovy/brouter.version-conventions.gradle b/buildSrc/src/main/groovy/brouter.version-conventions.gradle
index 02c99536..8e94c81a 100644
--- a/buildSrc/src/main/groovy/brouter.version-conventions.gradle
+++ b/buildSrc/src/main/groovy/brouter.version-conventions.gradle
@@ -4,4 +4,4 @@
 // app: build.gradle (versionCode only)
 // OsmTrack (version and versionDate)
 // docs revisions.md (version and versionDate)
-version '1.7.5'
+version '1.7.6'
diff --git a/docs/revisions.md b/docs/revisions.md
index db66bb60..6268d6a2 100644
--- a/docs/revisions.md
+++ b/docs/revisions.md
@@ -2,7 +2,16 @@
 
 (ZIP-Archives including APK, readme + profiles)
 
-### [brouter-1.7.5.zip](../brouter_bin/brouter-1.7.5.zip) (current revision, 05.06.2024)
+### [brouter-1.7.6.zip](../brouter_bin/brouter-1.7.6.zip) (current revision, 20.06.2024)
+
+Android
+
+- bug fix for car profiles
+
+[Solved issues](https://github.com/abrensch/brouter/issues?q=is%3Aissue+milestone%3A%22Version+1.7.6%22+is%3Aclosed)
+
+
+### [brouter-1.7.5.zip](../brouter_bin/brouter-1.7.5.zip) (05.06.2024)
 
 Android