diff --git a/appengine/endpoints/Gemfile.lock b/appengine/endpoints/Gemfile.lock
index f20d7d1ee..7cf5229f5 100644
--- a/appengine/endpoints/Gemfile.lock
+++ b/appengine/endpoints/Gemfile.lock
@@ -68,7 +68,7 @@ GEM
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
     tilt (2.3.0)
-    uri (0.13.0)
+    uri (0.13.3)
 
 PLATFORMS
   ruby