diff --git a/.github/workflows/manpage.yml b/.github/workflows/manpage.yml
new file mode 100644
index 0000000..8613cb5
--- /dev/null
+++ b/.github/workflows/manpage.yml
@@ -0,0 +1,15 @@
+name: Manpage
+on:
+  push:
+    paths:
+      - 'detex.1'
+
+jobs:
+  manpage:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup dependencies
+        run: sudo apt install mandoc
+      - run: mandoc -T lint detex.1
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 196e170..9dad0d1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Setup dependencies
         run: sudo apt install flex valgrind libfl-dev
       - run: |
@@ -29,12 +29,3 @@ jobs:
           make
           ./test.pl --valgrind
           make package
-
-  manpage:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup dependencies
-        run: sudo apt install mandoc
-      - run: mandoc -T lint detex.1