diff --git a/Gemfile.lock b/Gemfile.lock
index 726feee3a2a..cede2ecb9b5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -535,7 +535,7 @@ GEM
     sqlite3 (1.7.3-x86_64-linux)
     sshkey (3.0.0)
     stackprof (0.2.26)
-    stringio (3.1.0)
+    stringio (3.1.1)
     strscan (3.1.0)
     syntax_tree (6.2.0)
       prettier_print (>= 1.2.0)