diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
index 4f9451fc..505d909c 100644
--- a/.github/workflows/lock.yml
+++ b/.github/workflows/lock.yml
@@ -11,7 +11,7 @@ jobs:
     name: 🔒 Lock closed issues and PRs
     runs-on: ubuntu-latest
     steps:
-      - uses: dessant/lock-threads@v5.0.1
+      - uses: dessant/lock-threads@v6.0.0
         with:
           github-token: ${{ github.token }}
           issue-lock-inactive-days: '30'
diff --git a/change/@rightcapital-phpdoc-parser-b2141df3-9126-4d33-aa1b-8bd2abf94f4a.json b/change/@rightcapital-phpdoc-parser-b2141df3-9126-4d33-aa1b-8bd2abf94f4a.json
new file mode 100644
index 00000000..a0e92ef2
--- /dev/null
+++ b/change/@rightcapital-phpdoc-parser-b2141df3-9126-4d33-aa1b-8bd2abf94f4a.json
@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "chore(deps): update dessant/lock-threads action to v6",
+  "packageName": "@rightcapital/phpdoc-parser",
+  "email": "29139614+renovate[bot]@users.noreply.github.com",
+  "dependentChangeType": "patch"
+}