diff --git a/.github/workflows/container_description.yml b/.github/workflows/container_description.yml
index f922e3a07..0b8a8cc05 100644
--- a/.github/workflows/container_description.yml
+++ b/.github/workflows/container_description.yml
@@ -14,6 +14,7 @@ jobs:
   PushDockerHubReadme:
     runs-on: ubuntu-latest
     name: Push README to Docker Hub
+    if: github.repository_owner == 'prometheus' || github.repository_owner == 'prometheus-community' # Don't run this workflow on forks.
     steps:
       - name: git checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
@@ -33,6 +34,7 @@ jobs:
   PushQuayIoReadme:
     runs-on: ubuntu-latest
     name: Push README to quay.io
+    if: github.repository_owner == 'prometheus' || github.repository_owner == 'prometheus-community' # Don't run this workflow on forks.
     steps:
       - name: git checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1