diff --git a/.github/workflows/vouch-check-issue.yml b/.github/workflows/vouch-check-issue.yml
index b9a7f5f01..a12fb5421 100644
--- a/.github/workflows/vouch-check-issue.yml
+++ b/.github/workflows/vouch-check-issue.yml
@@ -12,7 +12,7 @@ jobs:
   check:
     runs-on: namespace-profile-ghostty-xsm
     steps:
-      - uses: mitchellh/vouch/action/check-issue@v1
+      - uses: mitchellh/vouch/action/check-issue@f85a8aa99597a393afbbd1d59a0087b6801e2331 # v1.1.0
         with:
           issue-number: ${{ github.event.issue.number }}
           auto-close: true
diff --git a/.github/workflows/vouch-check-pr.yml b/.github/workflows/vouch-check-pr.yml
index 879c7da01..1e0e91243 100644
--- a/.github/workflows/vouch-check-pr.yml
+++ b/.github/workflows/vouch-check-pr.yml
@@ -12,7 +12,7 @@ jobs:
   check:
     runs-on: namespace-profile-ghostty-xsm
     steps:
-      - uses: mitchellh/vouch/action/check-pr@v1
+      - uses: mitchellh/vouch/action/check-pr@f85a8aa99597a393afbbd1d59a0087b6801e2331 # v1.1.0
         with:
           pr-number: ${{ github.event.pull_request.number }}
           auto-close: true
diff --git a/.github/workflows/vouch-manage-by-discussion.yml b/.github/workflows/vouch-manage-by-discussion.yml
index 9b5dd8d13..f527bafe8 100644
--- a/.github/workflows/vouch-manage-by-discussion.yml
+++ b/.github/workflows/vouch-manage-by-discussion.yml
@@ -18,7 +18,7 @@ jobs:
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - uses: mitchellh/vouch/action/manage-by-discussion@v1
+      - uses: mitchellh/vouch/action/manage-by-discussion@f85a8aa99597a393afbbd1d59a0087b6801e2331 # v1.1.0
         with:
           discussion-number: ${{ github.event.discussion.number }}
           comment-node-id: ${{ github.event.comment.node_id }}