diff --git a/Formula/g/gpm.rb b/Formula/g/gpm.rb
index 8daa6f13ce54..91e115bba4db 100644
--- a/Formula/g/gpm.rb
+++ b/Formula/g/gpm.rb
@@ -11,6 +11,9 @@ class Gpm < Formula
     sha256 cellar: :any_skip_relocation, all: "02b1f03f80d4477e80aaa5b1cc62e9a4be9288f4d4116a23c386bb9b6fcd3906"
   end
 
+  # https://tip.golang.org/doc/go1.22
+  deprecate! date: "2023-12-21", because: "go get is no longer supported outside of a module"
+
   depends_on "go"
 
   def install