diff --git a/Gemfile.lock b/Gemfile.lock
index bc074185..81a37910 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,7 +51,7 @@ GEM
     parser (3.3.5.1)
       ast (~> 2.4.1)
       racc
-    power_assert (2.0.3)
+    power_assert (2.0.4)
     proc_to_ast (0.2.0)
       parser
       rouge
@@ -144,7 +144,7 @@ GEM
     strscan (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
-    test-unit (3.6.2)
+    test-unit (3.6.3)
       power_assert
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)