diff --git a/app/build.gradle b/app/build.gradle
index b25ea612..4f02fb91 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -184,7 +184,7 @@ dependencies {
     implementation "com.squareup.retrofit2:retrofit:2.9.0"
     implementation "com.squareup.retrofit2:converter-gson:2.9.0"
     implementation "com.squareup.retrofit2:converter-scalars:2.9.0"
-    implementation 'com.google.code.gson:gson:2.10.1'
+    implementation 'com.google.code.gson:gson:2.11.0'
     implementation 'org.jsoup:jsoup:1.14.3'
     implementation "pl.droidsonroids:jspoon:1.3.2"
     implementation "pl.droidsonroids.retrofit2:converter-jspoon:1.3.2"
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index b468b826..a9f02f3e 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -58,6 +58,17 @@
 
 -keep class com.google.android.material.tabs.** {*;}
 
+# Exclude AgendaCalendarView
+# Preserve generic type information for EventRenderer and its subclasses
+-keepclassmembers class * extends com.github.tibolte.agendacalendarview.render.EventRenderer {
+    <fields>;
+    <methods>;
+}
+
+# Keep the EventRenderer class itself and all its subclasses
+-keep class com.github.tibolte.agendacalendarview.render.EventRenderer
+-keep class * extends com.github.tibolte.agendacalendarview.render.EventRenderer
+
 # ServiceLoader support
 -keepnames class kotlinx.coroutines.internal.MainDispatcherFactory {}
 -keepnames class kotlinx.coroutines.CoroutineExceptionHandler {}