diff --git a/.github/actions/env/action.yml b/.github/actions/env/action.yml
new file mode 100644
index 0000000..214fe8c
--- /dev/null
+++ b/.github/actions/env/action.yml
@@ -0,0 +1,15 @@
+name: Build Test Environment
+description: Build test environment for setup-aftman
+author: ok-nick
+
+runs:
+  using: 'composite'
+  steps:
+    - shell: bash
+      run: |
+        cat > aftman.toml << EOF
+        [tools]
+          selene = "Kampfkarren/selene@0.19.1"
+          stylua = "JohnnyMorganz/stylua@0.14.0"
+          rojo = "rojo-rbx/rojo@7.2.1"
+        EOF