diff --git a/README.org b/README.org
index 21321cd..339b03a 100644
--- a/README.org
+++ b/README.org
@@ -223,10 +223,8 @@ mkShell {
   buildInputs = [
     go
     gopls
-
-    # FIXME: Broken on nixpkgs/unstable.
-    # protoc-gen-go
-    # protoc-gen-go-grpc
+    protoc-gen-go
+    protoc-gen-go-grpc
   ];
   shellHook = ''
     export GO111MODULE=on
diff --git a/shells/go.nix b/shells/go.nix
index 24208f4..1fd770a 100644
--- a/shells/go.nix
+++ b/shells/go.nix
@@ -6,10 +6,8 @@ mkShell {
   buildInputs = [
     go
     gopls
-
-    # FIXME: Broken on nixpkgs/unstable.
-    # protoc-gen-go
-    # protoc-gen-go-grpc
+    protoc-gen-go
+    protoc-gen-go-grpc
   ];
   shellHook = ''
     export GO111MODULE=on