diff --git a/appengine/datastore/Gemfile.lock b/appengine/datastore/Gemfile.lock
index d46ec2233..7366dedd3 100644
--- a/appengine/datastore/Gemfile.lock
+++ b/appengine/datastore/Gemfile.lock
@@ -70,7 +70,7 @@ GEM
     os (1.1.4)
     public_suffix (5.0.3)
     racc (1.7.3)
-    rack (2.2.8.1)
+    rack (2.2.23)
     rack-protection (3.1.0)
       rack (~> 2.2, >= 2.2.4)
     rack-test (2.1.0)