diff --git a/Gemfile.lock b/Gemfile.lock
index 70a6a8e..68019a6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    google-protobuf (3.11.3)
+    google-protobuf (3.19.2)
     metaclass (0.0.4)
     minitest (5.8.4)
     mocha (1.1.0)