diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 221c6dca2c..115f6613f1 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -83,11 +83,9 @@
         ([#7961)(https://github.com/google/ExoPlayer/issues/7961)).
     *   Fix truncating large cue points in microseconds
         ([#8067](https://github.com/google/ExoPlayer/issues/8067)).
-
-*   UI:
-
-    *   Show overflow button in `StyledPlayerControlView` only when there is no
-        enough space.
+    *   Upgrade IMA SDK dependency to 3.20.1. This brings in a fix for
+        companion ads rendering when targeting API 29
+        ([#6432](https://github.com/google/ExoPlayer/issues/6432)).
 
 ### 2.12.0 (2020-09-11) ###
 
diff --git a/extensions/ima/build.gradle b/extensions/ima/build.gradle
index e2afe7fa51..ed20dedb10 100644
--- a/extensions/ima/build.gradle
+++ b/extensions/ima/build.gradle
@@ -25,7 +25,7 @@ android {
 }
 
 dependencies {
-    api 'com.google.ads.interactivemedia.v3:interactivemedia:3.19.4'
+    api 'com.google.ads.interactivemedia.v3:interactivemedia:3.20.1'
     implementation project(modulePrefix + 'library-core')
     implementation 'androidx.annotation:annotation:' + androidxAnnotationVersion
     implementation 'com.google.android.gms:play-services-ads-identifier:17.0.0'