diff --git a/Gemfile.lock b/Gemfile.lock
index 794c6d522..6528d669c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -506,7 +506,7 @@ GEM
       rack
     orm_adapter (0.5.0)
     parallel (1.20.1)
-    parser (3.0.1.0)
+    parser (3.0.1.1)
       ast (~> 2.4.1)
     patron (0.13.3)
     pg (1.2.3)
@@ -665,9 +665,9 @@ GEM
       rubocop-ast (>= 1.2.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.4.1)
-      parser (>= 2.7.1.5)
-    rubocop-performance (1.11.0)
+    rubocop-ast (1.5.0)
+      parser (>= 3.0.1.1)
+    rubocop-performance (1.11.1)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
     rubocop-rails (2.9.1)
diff --git a/vendor/cache/parser-3.0.1.0.gem b/vendor/cache/parser-3.0.1.0.gem
deleted file mode 100644
index 7e551581f..000000000
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diff --git a/vendor/cache/parser-3.0.1.1.gem b/vendor/cache/parser-3.0.1.1.gem
new file mode 100644
index 000000000..61dcaf9b7
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diff --git a/vendor/cache/rubocop-ast-1.4.1.gem b/vendor/cache/rubocop-ast-1.4.1.gem
deleted file mode 100644
index 98c03faee..000000000
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diff --git a/vendor/cache/rubocop-ast-1.5.0.gem b/vendor/cache/rubocop-ast-1.5.0.gem
new file mode 100644
index 000000000..7343115f1
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diff --git a/vendor/cache/rubocop-performance-1.11.0.gem b/vendor/cache/rubocop-performance-1.11.0.gem
deleted file mode 100644
index dc821ab54..000000000
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diff --git a/vendor/cache/rubocop-performance-1.11.1.gem b/vendor/cache/rubocop-performance-1.11.1.gem
new file mode 100644
index 000000000..061110c86
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