diff --git a/Gemfile.lock b/Gemfile.lock
index 26a95439208..d5e2f0d54aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -392,7 +392,7 @@ GEM
       connection_pool (>= 2.2.2)
       rack (~> 2.0)
       redis (>= 4.2.0)
-    simplecov (0.20.0)
+    simplecov (0.21.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)