diff --git a/android-proguards/libraries/retrolambda.pro b/android-proguards/libraries/retrolambda.pro
index d204dca..4dbcdad 100644
--- a/android-proguards/libraries/retrolambda.pro
+++ b/android-proguards/libraries/retrolambda.pro
@@ -2,3 +2,4 @@
 
 # as per official recommendation: https://github.com/evant/gradle-retrolambda#proguard
 -dontwarn java.lang.invoke.*
+-dontwarn **$$Lambda$*
\ No newline at end of file
diff --git a/retrolambda-pro/retrolambda.pro b/retrolambda-pro/retrolambda.pro
index d204dca..4dbcdad 100644
--- a/retrolambda-pro/retrolambda.pro
+++ b/retrolambda-pro/retrolambda.pro
@@ -2,3 +2,4 @@
 
 # as per official recommendation: https://github.com/evant/gradle-retrolambda#proguard
 -dontwarn java.lang.invoke.*
+-dontwarn **$$Lambda$*
\ No newline at end of file