diff --git a/.github/GitHub_Pages_Deploy.workflow b/.github/GitHub_Pages_Deploy.workflow
deleted file mode 100644
index b44af763..00000000
--- a/.github/GitHub_Pages_Deploy.workflow
+++ /dev/null
@@ -1,7 +0,0 @@
-action "Deploy to GitHub Pages" {
-  uses = "maxheld83/ghpages@v0.2.1"
-  env = {
-    BUILD_DIR = "dist/"
-  }
-  secrets = ["ACTION_TOKEN"]
-}
diff --git a/.github/issue-reference.workflow b/.github/issue-reference.workflow
deleted file mode 100644
index a15f2291..00000000
--- a/.github/issue-reference.workflow
+++ /dev/null
@@ -1,11 +0,0 @@
-workflow "Add an issue reference to a pull request" {
-  on = "pull_request"
-  resolves = "Add an issue reference"
-}
-
-action "Add an issue reference" {
-  uses = "kentaro-m/add-an-issue-reference-action@master"
-  secrets = ["ACTION_TOKEN"]
-  # branch name prefix
-  args = "{\"branch\":\"issue\"}"
-}
diff --git a/.github/workflows/GitHub_Pages_Deploy.yml b/.github/workflows/GitHub_Pages_Deploy.yml
new file mode 100644
index 00000000..e1fad4ef
--- /dev/null
+++ b/.github/workflows/GitHub_Pages_Deploy.yml
@@ -0,0 +1,6 @@
+- name: Deploy to GitHub Pages
+  uses: maxheld83/ghpages@v0.2.1
+  if: success() && github.event == 'push' && github.ref == 'master'
+  env:
+    BUILD_DIR: 'dist/'
+    GITHUB_TOKEN: ${{ secrets.ACTION_TOKEN }}
diff --git a/.github/workflows/issue-reference.yml b/.github/workflows/issue-reference.yml
new file mode 100644
index 00000000..8d406d0b
--- /dev/null
+++ b/.github/workflows/issue-reference.yml
@@ -0,0 +1,4 @@
+- name: Add an issue reference
+  uses: kentaro-m/add-an-issue-reference-action@v1.0.0
+  env:
+    GITHUB_TOKEN: ${{ secrets.ACTION_TOKEN }}