diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4837fbc..d5efbe8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -161,7 +161,7 @@ jobs:
         uses: actions/checkout@v2.3.2
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@master
+        uses: docker/setup-qemu-action@v1
         with:
           platforms: ${{ matrix.qemu-platforms }}
       -
diff --git a/CHANGELOG.md b/CHANGELOG.md
deleted file mode 100644
index f5376d4..0000000
--- a/CHANGELOG.md
+++ /dev/null
@@ -1,5 +0,0 @@
-# Changelog
-
-## 0.9.0 (2020/08/??)
-
-* Initial version (docker/build-push-action#87)
diff --git a/README.md b/README.md
index 3f7bb03..ee13bb9 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ jobs:
       -
         name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@master
+        uses: docker/setup-buildx-action@v1
         with:
           version: latest
       -
@@ -78,13 +78,13 @@ jobs:
         uses: actions/checkout@v2
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@master
+        uses: docker/setup-qemu-action@v1
         with:
           platforms: all
       -
         name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@master
+        uses: docker/setup-buildx-action@v1
         with:
           version: latest
       -
@@ -110,7 +110,7 @@ jobs:
         name: Checkout
         uses: actions/checkout@v2
       -
-        uses: docker/setup-buildx-action@master
+        uses: docker/setup-buildx-action@v1
         id: buildx
         with:
           install: true