diff --git a/common/Gemfile.lock b/common/Gemfile.lock
index 996b7a0..f1b5fd7 100644
--- a/common/Gemfile.lock
+++ b/common/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
-    ast (2.4.0)
+    ast (2.4.2)
     atomos (0.1.2)
     claide (1.0.2)
     cocoapods (1.4.0)
@@ -64,8 +64,8 @@ GEM
     octokit (4.8.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     parallel (1.12.1)
-    parser (2.5.0.4)
-      ast (~> 2.4.0)
+    parser (3.1.2.0)
+      ast (~> 2.4.1)
     powerpack (0.1.1)
     public_suffix (3.0.2)
     rainbow (3.0.0)
@@ -84,7 +84,7 @@ GEM
       addressable (>= 2.3.5, < 2.6)
       faraday (~> 0.8, < 1.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.3.0)
     xcodeproj (1.5.6)