diff --git a/.github/workflows/appbuild.yml b/.github/workflows/appbuild.yml
index c0f808896..fb9d42fc5 100644
--- a/.github/workflows/appbuild.yml
+++ b/.github/workflows/appbuild.yml
@@ -9,7 +9,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     strategy:
       matrix:
diff --git a/.github/workflows/appstore-build-publish.yml b/.github/workflows/appstore-build-publish.yml
index 3b06b7400..42002ec7f 100644
--- a/.github/workflows/appstore-build-publish.yml
+++ b/.github/workflows/appstore-build-publish.yml
@@ -17,7 +17,7 @@ permissions:
 
 jobs:
   build_and_publish:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     # Only allowed to be run on nextcloud-releases repositories
     if: ${{ github.repository_owner == 'nextcloud-releases' }}
diff --git a/.github/workflows/cypress-e2e.yml b/.github/workflows/cypress-e2e.yml
index fedb71eba..507b88c52 100644
--- a/.github/workflows/cypress-e2e.yml
+++ b/.github/workflows/cypress-e2e.yml
@@ -14,7 +14,7 @@ env:
 jobs:
   cypress:
 
-    runs-on: 'ubuntu-latest'
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     strategy:
       fail-fast: false
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 1aa146b41..b40f0da8b 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -21,7 +21,7 @@ env:
 
 jobs:
   integration:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     strategy:
       fail-fast: false
diff --git a/.github/workflows/lint-eslint.yml b/.github/workflows/lint-eslint.yml
index de59a010d..77744837d 100644
--- a/.github/workflows/lint-eslint.yml
+++ b/.github/workflows/lint-eslint.yml
@@ -47,7 +47,7 @@ jobs:
               - '**.vue'
 
   lint:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     needs: changes
     if: needs.changes.outputs.src != 'false'
diff --git a/.github/workflows/lint-php-cs.yml b/.github/workflows/lint-php-cs.yml
index 681ecca65..6bf8bc0b4 100644
--- a/.github/workflows/lint-php-cs.yml
+++ b/.github/workflows/lint-php-cs.yml
@@ -19,7 +19,7 @@ concurrency:
 
 jobs:
   lint:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     name: php-cs
 
diff --git a/.github/workflows/lint-php.yml b/.github/workflows/lint-php.yml
index cdb2ba45c..f1558c4eb 100644
--- a/.github/workflows/lint-php.yml
+++ b/.github/workflows/lint-php.yml
@@ -33,7 +33,7 @@ jobs:
         uses: icewind1991/nextcloud-version-matrix@58becf3b4bb6dc6cef677b15e2fd8e7d48c0908f # v1.0.0
 
   php-lint:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
     needs: matrix
     strategy:
       matrix:
diff --git a/.github/workflows/lint-stylelint.yml b/.github/workflows/lint-stylelint.yml
index 1e0421b11..e28d33f9d 100644
--- a/.github/workflows/lint-stylelint.yml
+++ b/.github/workflows/lint-stylelint.yml
@@ -19,7 +19,7 @@ concurrency:
 
 jobs:
   lint:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     name: stylelint
 
diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index cbe42d311..1bd622b4c 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -5,7 +5,7 @@ on: [push]
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     strategy:
       matrix:
diff --git a/.github/workflows/npm-audit-fix.yml b/.github/workflows/npm-audit-fix.yml
index 29c5b8da9..71689e22f 100644
--- a/.github/workflows/npm-audit-fix.yml
+++ b/.github/workflows/npm-audit-fix.yml
@@ -19,7 +19,7 @@ permissions:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     strategy:
       fail-fast: false
diff --git a/.github/workflows/phpunit-mysql.yml b/.github/workflows/phpunit-mysql.yml
index c53d2984d..6a49df966 100644
--- a/.github/workflows/phpunit-mysql.yml
+++ b/.github/workflows/phpunit-mysql.yml
@@ -62,7 +62,7 @@ jobs:
               - 'composer.lock'
 
   phpunit-mysql:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     needs: [changes, matrix]
     if: needs.changes.outputs.src != 'false'
diff --git a/.github/workflows/phpunit-pgsql.yml b/.github/workflows/phpunit-pgsql.yml
index 320dc19ce..1c835a037 100644
--- a/.github/workflows/phpunit-pgsql.yml
+++ b/.github/workflows/phpunit-pgsql.yml
@@ -61,7 +61,7 @@ jobs:
               - 'composer.lock'
 
   phpunit-pgsql:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     needs: [changes, matrix]
     if: needs.changes.outputs.src != 'false'
diff --git a/.github/workflows/phpunit-sqlite.yml b/.github/workflows/phpunit-sqlite.yml
index a61dc4cdc..8777eb000 100644
--- a/.github/workflows/phpunit-sqlite.yml
+++ b/.github/workflows/phpunit-sqlite.yml
@@ -61,7 +61,7 @@ jobs:
               - 'composer.lock'
 
   phpunit-sqlite:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     needs: [changes, matrix]
     if: needs.changes.outputs.src != 'false'
diff --git a/.github/workflows/pr-feedback.yml b/.github/workflows/pr-feedback.yml
index 98e9fada7..04580f99f 100644
--- a/.github/workflows/pr-feedback.yml
+++ b/.github/workflows/pr-feedback.yml
@@ -22,7 +22,7 @@ permissions:
 jobs:
   pr-feedback:
     if: ${{ github.repository_owner == 'nextcloud' }}
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
     steps:
       - name: The get-github-handles-from-website action
         uses: marcelklehr/get-github-handles-from-website-action@06b2239db0a48fe1484ba0bfd966a3ab81a08308 # v1.0.1
diff --git a/.github/workflows/psalm.yml b/.github/workflows/psalm.yml
index d0084123c..afa37f670 100644
--- a/.github/workflows/psalm.yml
+++ b/.github/workflows/psalm.yml
@@ -19,7 +19,7 @@ permissions:
 
 jobs:
   static-analysis:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     name: static-psalm-analysis
     steps:
diff --git a/.github/workflows/reuse.yml b/.github/workflows/reuse.yml
index 0d8e1962a..4ae8c41fb 100644
--- a/.github/workflows/reuse.yml
+++ b/.github/workflows/reuse.yml
@@ -16,7 +16,7 @@ permissions:
 
 jobs:
   reuse-compliance-check:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
diff --git a/.github/workflows/update-nextcloud-ocp.yml b/.github/workflows/update-nextcloud-ocp.yml
index 4ac00be0b..a069c6268 100644
--- a/.github/workflows/update-nextcloud-ocp.yml
+++ b/.github/workflows/update-nextcloud-ocp.yml
@@ -18,7 +18,7 @@ permissions:
 
 jobs:
   update-nextcloud-ocp:
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'nextcloud-gmbh' && fromJSON('["self-hosted", "ubuntu-latest"]') || 'ubuntu-latest' }}
 
     strategy:
       fail-fast: false