diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d5f2add..c668457 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -109,7 +109,7 @@ jobs:
 
       # Ubuntu x86_64 向け
       - name: Tailscale
-        uses: tailscale/github-action@v3
+        uses: tailscale/github-action@v2
         with:
           oauth-client-id: ${{ secrets.TS_OAUTH_CLIENT_ID }}
           oauth-secret: ${{ secrets.TS_OAUTH_SECRET }}
diff --git a/.github/workflows/e2e-test.yml b/.github/workflows/e2e-test.yml
index 4ae8cf9..9909506 100644
--- a/.github/workflows/e2e-test.yml
+++ b/.github/workflows/e2e-test.yml
@@ -36,7 +36,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Tailscale
-        uses: tailscale/github-action@v3
+        uses: tailscale/github-action@v2
         with:
           oauth-client-id: ${{ secrets.TS_OAUTH_CLIENT_ID }}
           oauth-secret: ${{ secrets.TS_OAUTH_SECRET }}