diff --git a/Gemfile.lock b/Gemfile.lock
index e8095a5e5..5b14d5b5e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -286,9 +286,9 @@ GEM
       google-cloud-core (~> 1.6)
       googleauth (>= 0.16.2, < 2.a)
       mini_mime (~> 1.0)
-    google-protobuf (3.21.2)
-    google-protobuf (3.21.2-x86_64-darwin)
-    google-protobuf (3.21.2-x86_64-linux)
+    google-protobuf (3.21.7)
+    google-protobuf (3.21.7-x86_64-darwin)
+    google-protobuf (3.21.7-x86_64-linux)
     googleapis-common-protos (1.3.12)
       google-protobuf (~> 3.14)
       googleapis-common-protos-types (~> 1.2)