diff --git a/gradle.properties b/gradle.properties
index c626f41..76295ed 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,7 +1,7 @@
 # Copied from kotlinc
 org.gradle.jvmargs=-Duser.country=US -Dkotlin.daemon.jvm.options=-Xmx2200m -Dfile.encoding=UTF-8
 
-kotlinBaseVersion=1.6.20-RC2
+kotlinBaseVersion=1.6.20
 agpBaseVersion=7.0.0
 intellijVersion=203.8084.24
 junitVersion=4.12
diff --git a/third_party/prebuilt/repo/tests-common-1.6.20-RC2.jar b/third_party/prebuilt/repo/tests-common-1.6.20.jar
similarity index 98%
rename from third_party/prebuilt/repo/tests-common-1.6.20-RC2.jar
rename to third_party/prebuilt/repo/tests-common-1.6.20.jar
index 6bbde5a..4ea5c75 100644
--- a/third_party/prebuilt/repo/tests-common-1.6.20-RC2.jar
+++ b/third_party/prebuilt/repo/tests-common-1.6.20.jar
Binary files differ
diff --git a/third_party/prebuilt/repo/tests-mutes-1.6.20-RC2.jar b/third_party/prebuilt/repo/tests-mutes-1.6.20.jar
similarity index 97%
rename from third_party/prebuilt/repo/tests-mutes-1.6.20-RC2.jar
rename to third_party/prebuilt/repo/tests-mutes-1.6.20.jar
index 98262c3..706517e 100644
--- a/third_party/prebuilt/repo/tests-mutes-1.6.20-RC2.jar
+++ b/third_party/prebuilt/repo/tests-mutes-1.6.20.jar
Binary files differ