diff --git a/Gemfile.lock b/Gemfile.lock
index 6dde7c9..3d9d66c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,7 +55,7 @@ GEM
     parallel (1.22.1)
     parser (3.1.2.1)
       ast (~> 2.4.1)
-    power_assert (2.0.1)
+    power_assert (2.0.2)
     prettier_print (0.1.0)
     pry (0.14.1)
       coderay (~> 1.1)
@@ -97,7 +97,7 @@ GEM
     stringio (3.0.2)
     syntax_tree (3.5.0)
       prettier_print
-    test-unit (3.5.3)
+    test-unit (3.5.7)
       power_assert
     thor (1.2.1)
     thread_safe (0.3.6)