diff --git a/Gemfile.lock b/Gemfile.lock
index 60ae8e6d..5e26873f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1129,9 +1129,9 @@ GEM
     ffi (1.13.1)
     filesize (0.2.0)
     flamegraph (0.9.5)
-    flipper (0.19.1)
-    flipper-redis (0.19.1)
-      flipper (~> 0.19.1)
+    flipper (0.20.3)
+    flipper-redis (0.20.3)
+      flipper (~> 0.20.3)
       redis (>= 2.2, < 5)
     font-awesome-rails (4.7.0.6)
       railties (>= 3.2, < 6.2)