diff --git a/Gemfile.lock b/Gemfile.lock
index 5f2244b5..ba1828ca 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,7 +54,7 @@ GEM
     parser (3.3.7.3)
       ast (~> 2.4.1)
       racc
-    power_assert (2.0.4)
+    power_assert (2.0.5)
     prism (1.4.0)
     proc_to_ast (0.2.0)
       parser
@@ -152,7 +152,7 @@ GEM
     strscan (3.1.2)
     terminal-table (4.0.0)
       unicode-display_width (>= 1.1.1, < 4)
-    test-unit (3.6.7)
+    test-unit (3.6.8)
       power_assert
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)