diff --git a/update.sh b/update.sh
index 3f58c76..307d47f 100755
--- a/update.sh
+++ b/update.sh
@@ -1,13 +1,19 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
+
+update() {
+    cd "$1" || (echo "No '$1' directory" && exit 1)
+
+    cargo update && cargo upgrade
+
+    [ "$1" = "." ] || cd ..
+}
+
+update .
+update ./language_macros
+update ./keymaps
 
 
-cargo update && cargo upgrade
 
-cd ./language_macros || (echo "No language_macros directory" && exit 1)
-
-cargo update && cargo upgrade
-
-cd ..
 git add Cargo.lock Cargo.toml flake.lock ./language_macros/Cargo.toml
 
 # vim: ft=sh