diff --git a/.github/workflows/use-action.yaml b/.github/workflows/use-action.yaml
index e15d610..2317a4d 100644
--- a/.github/workflows/use-action.yaml
+++ b/.github/workflows/use-action.yaml
@@ -19,18 +19,18 @@ jobs:
       - uses: actions/checkout@v2
 
       # Minimal publish
-      - uses: imjasonh/setup-ko@main
+      - uses: imjasonh/setup-ko@v0.3
       - run: ko publish --bare ./
 
       # Install an old release.
-      - uses: imjasonh/setup-ko@main
+      - uses: imjasonh/setup-ko@v0.3
         with:
           version: v0.8.0
       - name: Check installed version
         run: ko version | grep 0.8.0
 
       # Install from tip
-      - uses: imjasonh/setup-ko@main
+      - uses: imjasonh/setup-ko@v0.3
         with:
           version: tip
       - name: Check installed version (tip)