diff --git a/examples/Gemfile.lock b/examples/Gemfile.lock
index 47b7eef..21e4f4b 100644
--- a/examples/Gemfile.lock
+++ b/examples/Gemfile.lock
@@ -5,7 +5,7 @@ GEM
       public_suffix (>= 2.0.2, < 4.0)
     faraday (0.15.2)
       multipart-post (>= 1.2, < 3)
-    google-protobuf (3.19.2)
+    google-protobuf (3.21.7)
     googleapis-common-protos-types (1.0.1)
       google-protobuf (~> 3.0)
     googleauth (0.6.2)