diff --git a/modules/lang/data/packages.el b/modules/lang/data/packages.el
index a8ccfae9e..dfe07cfe7 100644
--- a/modules/lang/data/packages.el
+++ b/modules/lang/data/packages.el
@@ -7,3 +7,4 @@
 (package! yaml-mode)
 (package! csv-mode)
 (package! dhall-mode)
+(package! protobuf-mode)