diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 78452dc..469716e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,13 +14,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-
-      - name: build and install cc65 components
-        run: >
-          git clone https://github.com/cc65/cc65 /tmp/cc65 &&
-          sudo make -C /tmp/cc65 ca65 ld65 avail &&
-          ca65 --version
-
+      - uses: a2stuff/build-install-ca65-action@v1
       - uses: a2stuff/build-install-cadius-action@v1
 
       - name: build