diff --git a/.github/workflows/fork_pr_benchmarks_closed.yml b/.github/workflows/fork_pr_benchmarks_closed.yml
index bbf9068..e0fccd6 100644
--- a/.github/workflows/fork_pr_benchmarks_closed.yml
+++ b/.github/workflows/fork_pr_benchmarks_closed.yml
@@ -1,5 +1,5 @@
 on:
-  pull_request:
+  pull_request_target:
     types: [closed]
 
 jobs:
@@ -14,4 +14,4 @@ jobs:
           bencher archive \
           --project example \
           --token '${{ secrets.BENCHER_API_TOKEN }}' \
-          --branch '${{ github.head_ref }}'
+          --branch "$GITHUB_HEAD_REF"
diff --git a/.github/workflows/pr_benchmarks.yml b/.github/workflows/pr_benchmarks.yml
index 6a29469..04af1d2 100644
--- a/.github/workflows/pr_benchmarks.yml
+++ b/.github/workflows/pr_benchmarks.yml
@@ -18,8 +18,8 @@ jobs:
           bencher run \
           --project example \
           --token '${{ secrets.BENCHER_API_TOKEN }}' \
-          --branch '${{ github.head_ref }}' \
-          --start-point '${{ github.base_ref }}' \
+          --branch "$GITHUB_HEAD_REF"
+          --start-point "$GITHUB_BASE_REF" \
           --start-point-hash '${{ github.event.pull_request.base.sha }}' \
           --start-point-clone-thresholds \
           --start-point-reset \
diff --git a/.github/workflows/pr_benchmarks_closed.yml b/.github/workflows/pr_benchmarks_closed.yml
index 64a2c11..5e12bcd 100644
--- a/.github/workflows/pr_benchmarks_closed.yml
+++ b/.github/workflows/pr_benchmarks_closed.yml
@@ -16,4 +16,4 @@ jobs:
           bencher archive \
           --project example \
           --token '${{ secrets.BENCHER_API_TOKEN }}' \
-          --branch '${{ github.head_ref }}'
+          --branch "$GITHUB_HEAD_REF"