diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml
index 56a80d3..dddf4aa 100644
--- a/.github/workflows/elixir.yml
+++ b/.github/workflows/elixir.yml
@@ -1,7 +1,7 @@
 name: Elixir
 
 on:
-  pull_request_target:
+  pull_request:
     branches:
       - 'main'
     types: [opened, reopened, synchronize, labeled]
@@ -11,7 +11,7 @@ on:
       - 'main'
 
 concurrency:
-  group: ci-${{ github.head_ref || github.run_id }}
+  group: ci-${{ github.head_ref || github.run_id }}-elixir
   cancel-in-progress: true
 
 jobs:
diff --git a/.github/workflows/erlang.yml b/.github/workflows/erlang.yml
index 7567f2e..a1859c9 100644
--- a/.github/workflows/erlang.yml
+++ b/.github/workflows/erlang.yml
@@ -11,7 +11,7 @@ on:
       - 'main'
 
 concurrency:
-  group: ci-${{ github.head_ref || github.run_id }}
+  group: ci-${{ github.head_ref || github.run_id }}-erlang
   cancel-in-progress: true
 
 jobs: