diff --git a/Gemfile.lock b/Gemfile.lock
index 6a4819be0439b21975e229627ca45cde9b07e338..360492e311a7ecaf44002bcf3611174b9aece90b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
       timers (>= 4.1.1)
     celluloid-supervision (0.20.6)
       timers (>= 4.1.1)
-    chunky_png (1.3.8)
+    chunky_png (1.3.10)
     cliver (0.3.2)
     coderay (1.1.2)
     compass (1.0.3)