diff --git a/.github/workflows/algolia-index.yml b/.github/workflows/algolia-index.yml
index ab892f3e88..fb293af1ab 100644
--- a/.github/workflows/algolia-index.yml
+++ b/.github/workflows/algolia-index.yml
@@ -12,6 +12,7 @@ jobs:
   update:
     name: Update Algolia Index
     runs-on: ubuntu-latest
+    if: ${{ github.repository == 'spring-projects/spring-security' }}
     steps:
       - name: Checkout Source
         uses: actions/checkout@v2
diff --git a/.github/workflows/antora-generate.yml b/.github/workflows/antora-generate.yml
index a092a24f2a..3f29ae9c9b 100644
--- a/.github/workflows/antora-generate.yml
+++ b/.github/workflows/antora-generate.yml
@@ -16,6 +16,7 @@ permissions:
 jobs:
   build:
     runs-on: ubuntu-latest
+    if: ${{ github.repository == 'spring-projects/spring-security' }}
     steps:
       - name: Checkout Source
         uses: actions/checkout@v2
diff --git a/.github/workflows/backport-bot.yml b/.github/workflows/backport-bot.yml
index 417a638abd..f0814c6beb 100644
--- a/.github/workflows/backport-bot.yml
+++ b/.github/workflows/backport-bot.yml
@@ -13,6 +13,7 @@ permissions:
 jobs:
   build:
     runs-on: ubuntu-latest
+    if: ${{ github.repository == 'spring-projects/spring-security' }}
     permissions:
       contents: read
       issues: write
diff --git a/.github/workflows/clean_build_artifacts.yml b/.github/workflows/clean_build_artifacts.yml
index 81fd851ba5..c116fac71d 100644
--- a/.github/workflows/clean_build_artifacts.yml
+++ b/.github/workflows/clean_build_artifacts.yml
@@ -9,6 +9,7 @@ permissions:
 jobs:
   main:
     runs-on: ubuntu-latest
+    if: ${{ github.repository == 'spring-projects/spring-security' }}
     permissions:
       contents: none
     steps:
diff --git a/.github/workflows/deploy-reference.yml b/.github/workflows/deploy-reference.yml
index fd4c98fe1b..96571cd99e 100644
--- a/.github/workflows/deploy-reference.yml
+++ b/.github/workflows/deploy-reference.yml
@@ -14,6 +14,7 @@ jobs:
   deploy:
     name: deploy
     runs-on: ubuntu-latest
+    if: ${{ github.repository == 'spring-projects/spring-security' }}
     steps:
       - uses: actions/checkout@v2
       - name: Set up gradle
diff --git a/.github/workflows/milestone-spring-releasetrain.yml b/.github/workflows/milestone-spring-releasetrain.yml
index 67bbb104b2..74be296abc 100644
--- a/.github/workflows/milestone-spring-releasetrain.yml
+++ b/.github/workflows/milestone-spring-releasetrain.yml
@@ -11,6 +11,7 @@ jobs:
   spring-releasetrain-checks:    
     name: Check DueOn is on a Release Date
     runs-on: ubuntu-latest
+    if: ${{ github.repository == 'spring-projects/spring-security' }}
     permissions:
       contents: none
     steps: