diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index cf1c634d09..db90569a9d 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -49,6 +49,10 @@
 *   MIDI extension:
 *   Leanback extension:
 *   Cast Extension:
+    *   Bump the `play-services-cast-framework` dependency to 21.5.0 to fix a
+        `FLAG_MUTABLE` crash in apps targeting API 34+ on devices with Google
+        Play services installed but disabled
+        ([#2178](https://github.com/androidx/media/issues/2178)).
 *   Test Utilities:
 *   Demo app:
 *   Remove deprecated symbols:
diff --git a/libraries/cast/build.gradle b/libraries/cast/build.gradle
index 4f6302a1ca..f92471d201 100644
--- a/libraries/cast/build.gradle
+++ b/libraries/cast/build.gradle
@@ -24,7 +24,7 @@ android {
 }
 
 dependencies {
-    api 'com.google.android.gms:play-services-cast-framework:21.3.0'
+    api 'com.google.android.gms:play-services-cast-framework:21.5.0'
     implementation 'androidx.annotation:annotation:' + androidxAnnotationVersion
     api project(modulePrefix + 'lib-common')
     compileOnly 'org.checkerframework:checker-qual:' + checkerframeworkVersion