diff --git a/.github/workflows/main-source-branch.yml b/.github/workflows/main-source-branch.yml
new file mode 100644
index 0000000..52d49db
--- /dev/null
+++ b/.github/workflows/main-source-branch.yml
@@ -0,0 +1,21 @@
+name: Main source branch
+
+on:
+  pull_request:
+    branches:
+      - main
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - edited
+
+jobs:
+  source-branch:
+    name: Source branch must be develop
+    runs-on: ubuntu-latest
+    steps:
+      - name: Verify pull request source
+        env:
+          HEAD_REF: ${{ github.head_ref }}
+        run: test "$HEAD_REF" = develop
diff --git a/src/main/java/fr/korastrip/paperplugin/commands/group/GroupCommand.java b/src/main/java/fr/korastrip/paperplugin/commands/group/GroupCommand.java
index f0deb02..4eec59f 100644
--- a/src/main/java/fr/korastrip/paperplugin/commands/group/GroupCommand.java
+++ b/src/main/java/fr/korastrip/paperplugin/commands/group/GroupCommand.java
@@ -20,6 +20,7 @@ public LiteralCommandNode<CommandSourceStack> create() {
                 .then(new Invite(plugin).build())
                 .then(new Create(plugin).build())
                 .then(new Start(plugin).build())
+                .then(new Stop(plugin).build())
                 .then(new Version(plugin).build())
                 .then(new Remove(plugin).build())
                 .then(new Remove(plugin).build())
diff --git a/src/main/java/fr/korastrip/paperplugin/commands/group/sub/Help.java b/src/main/java/fr/korastrip/paperplugin/commands/group/sub/Help.java
index 94a88cc..36a95d2 100644
--- a/src/main/java/fr/korastrip/paperplugin/commands/group/sub/Help.java
+++ b/src/main/java/fr/korastrip/paperplugin/commands/group/sub/Help.java
@@ -37,6 +37,7 @@ public LiteralArgumentBuilder<CommandSourceStack> build() {
                     new Invite(plugin),
                     new Remove(plugin),
                     new Start(plugin),
+                    new Stop(plugin),
                     new Players(plugin),
                     new Version(plugin)
             );