diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index da451553c82..8d910850c85 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -32,6 +32,7 @@ concurrency:
 jobs:
   benchmarks:
     runs-on: ubuntu-22.04
+    if: github.repository == 'GenericMappingTools/pygmt'
     defaults:
       run:
         shell: bash -l {0}
diff --git a/.github/workflows/check-links.yml b/.github/workflows/check-links.yml
index 0291e337cfb..9ce7fe68227 100644
--- a/.github/workflows/check-links.yml
+++ b/.github/workflows/check-links.yml
@@ -18,6 +18,7 @@ jobs:
   check_links:
     name: Check Links
     runs-on: ubuntu-latest
+    if: github.repository == 'GenericMappingTools/pygmt'
 
     steps:
     - name: Checkout the repository
diff --git a/.github/workflows/ci_docs.yml b/.github/workflows/ci_docs.yml
index 759410a763d..1a5313d5f47 100644
--- a/.github/workflows/ci_docs.yml
+++ b/.github/workflows/ci_docs.yml
@@ -37,6 +37,7 @@ jobs:
   docs:
     name: ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
+    if: github.repository == 'GenericMappingTools/pygmt'
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/ci_doctests.yaml b/.github/workflows/ci_doctests.yaml
index 114bfa5a015..955d9f95889 100644
--- a/.github/workflows/ci_doctests.yaml
+++ b/.github/workflows/ci_doctests.yaml
@@ -21,6 +21,7 @@ jobs:
   test:
     name: ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
+    if: github.repository == 'GenericMappingTools/pygmt'
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/ci_tests_legacy.yaml b/.github/workflows/ci_tests_legacy.yaml
index ac1361c8baf..6bfea2fa21c 100644
--- a/.github/workflows/ci_tests_legacy.yaml
+++ b/.github/workflows/ci_tests_legacy.yaml
@@ -32,6 +32,7 @@ jobs:
   test:
     name: ${{ matrix.os }} - GMT ${{ matrix.gmt_version }}
     runs-on: ${{ matrix.os }}
+    if: github.repository == 'GenericMappingTools/pygmt'
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/release-drafter.yml b/.github/workflows/release-drafter.yml
index acf00c78dd2..58efce03d7a 100644
--- a/.github/workflows/release-drafter.yml
+++ b/.github/workflows/release-drafter.yml
@@ -15,6 +15,8 @@ on:
 jobs:
   update_release_draft:
     runs-on: ubuntu-latest
+    if: github.repository == 'GenericMappingTools/pygmt'
+
     steps:
       # Drafts your next Release notes as Pull Requests are merged into "main"
       - uses: release-drafter/release-drafter@v5.25.0