diff --git a/.github/workflows/docutils-latest.yml b/.github/workflows/docutils-latest.yml
index 35d4c751e..b082ad193 100644
--- a/.github/workflows/docutils-latest.yml
+++ b/.github/workflows/docutils-latest.yml
@@ -7,6 +7,7 @@ on:
 
 jobs:
   test:
+    if: github.repository_owner == 'sphinx-doc'
     runs-on: ubuntu-latest
 
     steps:
diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
index 057e5a6f3..583f64fd0 100644
--- a/.github/workflows/lock.yml
+++ b/.github/workflows/lock.yml
@@ -10,6 +10,7 @@ permissions:
 
 jobs:
   action:
+    if: github.repository_owner == 'sphinx-doc'
     runs-on: ubuntu-latest
     steps:
       - uses: dessant/lock-threads@v2
diff --git a/.github/workflows/transifex.yml b/.github/workflows/transifex.yml
index bf0f11548..8ed617c76 100644
--- a/.github/workflows/transifex.yml
+++ b/.github/workflows/transifex.yml
@@ -7,6 +7,7 @@ on:
 
 jobs:
   push:
+    if: github.repository_owner == 'sphinx-doc'
     runs-on: ubuntu-latest
 
     steps:
@@ -27,6 +28,7 @@ jobs:
         TX_TOKEN: ${{ secrets.TX_TOKEN }}
 
   pull:
+    if: github.repository_owner == 'sphinx-doc'
     runs-on: ubuntu-latest
 
     steps: