diff --git a/README.md b/README.md
index 562e3acc..328943f5 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       - name: actions-template-sync
-        uses: AndreasAugustin/actions-template-sync@v0.2.1-draft
+        uses: AndreasAugustin/actions-template-sync@v0.3.0-draft
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           source_repo_path: <owner/repo>
@@ -59,7 +59,8 @@ You will receive a pull request within your repository if there are some changes
 | source_repo_path | Repository path of the template | `true` | |
 | upstream_branch | The target branch | `true` | `main` |
 | source_repo_ssh_private_key | `[optional]` private ssh key for the source repository. E.q. useful if using a private template repository. [see](#private-template-repository)| `false` |  |
-| pr_labels | `[optional]` comma separated list. [pull request labels][pr-labels] | `false` | `chore,template_sync`  |
+| pr_labels | `[optional]` comma separated list. [pull request labels][pr-labels]. Must be already created. | `false` | `chore,template_sync`  |
+| hostname | `[optional]` the hostname of the repository | `false` | `github.com` |
 
 ### Example
 
@@ -91,7 +92,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       - name: actions-template-sync
-        uses: AndreasAugustin/actions-template-sync@v0.2.1-draft
+        uses: AndreasAugustin/actions-template-sync@v0.3.0-draft
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           source_repo_path: ${{ secrets.SOURCE_REPO_PATH }} # <owner/repo>, should be within secrets
diff --git a/action.yml b/action.yml
index 350ad927..ae62b836 100644
--- a/action.yml
+++ b/action.yml
@@ -20,6 +20,9 @@ inputs:
   pr_labels:
     description: '[optional] comma separated list of pull request labels'
     default: 'chore,template-sync'
+  hostname:
+    description: '[optional] the hostname of the GitHub repository'
+    default: 'github.com'
 runs:
   using: 'docker'
   image: 'src/Dockerfile'
@@ -27,5 +30,6 @@ runs:
     GITHUB_TOKEN: ${{ inputs.github_token }}
     SOURCE_REPO_PATH: ${{ inputs.source_repo_path }}
     UPSTREAM_BRANCH: ${{ inputs.upstream_branch }}
-    SSH_PRIVATE_KEY_SRC: ${{ inputs.source_repo_ssh_private_key}}
-    PR_LABELS: ${{inputs.pr_labels}}
+    SSH_PRIVATE_KEY_SRC: ${{ inputs.source_repo_ssh_private_key }}
+    PR_LABELS: ${{ inputs.pr_labels }}
+    HOSTNAME: ${{ inputs.hostname }}
diff --git a/src/entrypoint.sh b/src/entrypoint.sh
index 8121340d..a1a59826 100755
--- a/src/entrypoint.sh
+++ b/src/entrypoint.sh
@@ -13,8 +13,10 @@ if [[ -z "${SOURCE_REPO_PATH}" ]]; then
   exit 1
 fi
 
+SOURCE_REPO_HOSTNAME="${HOSTNAME:-github.com}"
+
 # In case of private template repository this will be overwritten
-SOURCE_REPO_PREFIX="https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/"
+SOURCE_REPO_PREFIX="https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@${SOURCE_REPO_HOSTNAME}/"
 
 # Forward to /dev/null to swallow the output of the private key
 if [[ -n "${SSH_PRIVATE_KEY_SRC}" ]] &>/dev/null; then
@@ -26,14 +28,14 @@ if [[ -n "${SSH_PRIVATE_KEY_SRC}" ]] &>/dev/null; then
   # use cat <<< instead of echo to swallow output of the private key
   cat <<< "${SSH_PRIVATE_KEY_SRC}" | sed 's/\\n/\n/g' > "${SRC_SSH_PRIVATEKEY_ABS_PATH}"
   chmod 600 "${SRC_SSH_PRIVATEKEY_ABS_PATH}"
-  SOURCE_REPO_PREFIX="git@github.com:"
+  SOURCE_REPO_PREFIX="git@${SOURCE_REPO_HOSTNAME}:"
 fi
 
 export SOURCE_REPO="${SOURCE_REPO_PREFIX}${SOURCE_REPO_PATH}"
 
 echo "::group::git init"
 echo "set git global configuration"
-git config --global user.email "github-action@actions-template-sync.noreply.github.com"
+git config --global user.email "github-action@actions-template-sync.noreply.${SOURCE_REPO_HOSTNAME}"
 git config --global user.name "${GITHUB_ACTOR}"
 git config --global pull.rebase false
 echo "::endgroup::"