diff --git a/hack/make-release-artifacts.sh b/hack/make-release-artifacts.sh
index 507277c..10fcb25 100755
--- a/hack/make-release-artifacts.sh
+++ b/hack/make-release-artifacts.sh
@@ -41,6 +41,10 @@ print_autogenerated_warning() {
 EOF
 }
 
+# define gsed as a function on Linux for compatibility
+[ "$(uname -s)" == "Linux" ] && gsed() {
+    sed "$@"
+}
 
 read_manifests() {
     local dir