diff --git a/projects/grpc.io/package.yml b/projects/grpc.io/package.yml
index 2afcbc77..8e693194 100644
--- a/projects/grpc.io/package.yml
+++ b/projects/grpc.io/package.yml
@@ -19,7 +19,7 @@ dependencies:
   abseil.io: '*'
   c-ares.org: '*'
   openssl.org: ^1.1
-  protobuf.dev: '>=22.3'
+  protobuf.dev: 25.2.0  # grpc links to specific versions, so we have to pick one.
   github.com/google/re2: '*'
   zlib.net: '*'