diff --git a/Gemfile.lock b/Gemfile.lock
index b3100db1..5e23d685 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -291,7 +291,7 @@ GEM
     standard-performance (1.2.1)
       lint_roller (~> 1.1)
       rubocop-performance (~> 1.19.1)
-    stringio (3.0.8)
+    stringio (3.0.9)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     thor (1.3.0)