diff --git a/.github/workflows/build-base.yml b/.github/workflows/build-base.yml
index b8085c1..a8cf2bb 100644
--- a/.github/workflows/build-base.yml
+++ b/.github/workflows/build-base.yml
@@ -14,6 +14,7 @@ env:
 
 jobs:
   build:
+    if: github.event.repository.fork == false
     runs-on: ubuntu-latest
     strategy:
       matrix:
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 44bbbd5..22b4dfe 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -11,6 +11,7 @@ env:
 
 jobs:
   build:
+    if: github.event.repository.fork == false
     runs-on: ubuntu-latest
     strategy:
       matrix:
diff --git a/.github/workflows/docs-deploy.yml b/.github/workflows/docs-deploy.yml
index a121851..5755263 100644
--- a/.github/workflows/docs-deploy.yml
+++ b/.github/workflows/docs-deploy.yml
@@ -16,6 +16,7 @@ concurrency:
 
 jobs:
   build:
+    if: github.event.repository.fork == false
     runs-on: ubuntu-latest
     steps:
       - name: Checkout