diff --git a/build.gradle b/build.gradle
index ef7f1ef07..b0064db2d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -81,6 +81,8 @@ android {
         }
     }
 
+    namespace 'de.dennisguse.opentracks'
+
     buildTypes {
         debug {
             applicationIdSuffix ".debug"
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 7454180f2..41d9927a4 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 92f06b50f..ae04661ee 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/src/main/AndroidManifest.xml b/src/main/AndroidManifest.xml
index faa9c06a8..a07b73cd6 100644
--- a/src/main/AndroidManifest.xml
+++ b/src/main/AndroidManifest.xml
@@ -15,7 +15,6 @@ limitations under the License.
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    package="de.dennisguse.opentracks"
     android:installLocation="auto">
 
     <supports-screens