diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index e68ee834c..280e1323e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -35,7 +35,7 @@ ksp = "1.6.21-1.0.5"
 ktlint = "0.43.0"
 material3 = "1.6.1"
 okhttp = "4.9.3"
-protobuf = "3.20.0"
+protobuf = "3.21.1"
 protobufPlugin = "0.8.18"
 retrofit = "2.9.0"
 retrofitKotlinxSerializationJson = "0.8.0"