diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 90cec1c..08d1949 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,26 +33,26 @@ jobs:
         id: self_mutation
         run: |-
           git add .
-          git diff --staged --patch --exit-code > .repo.patch || echo "self_mutation_happened=true" >> $GITHUB_OUTPUT
+          git diff --staged --patch --exit-code > repo.patch || echo "self_mutation_happened=true" >> $GITHUB_OUTPUT
         working-directory: ./
       - name: Upload patch
         if: steps.self_mutation.outputs.self_mutation_happened
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v4.3.6
         with:
-          name: .repo.patch
-          path: .repo.patch
+          name: repo.patch
+          path: repo.patch
           overwrite: true
       - name: Fail build on mutation
         if: steps.self_mutation.outputs.self_mutation_happened
         run: |-
           echo "::error::Files were changed during build (see build log). If this was triggered from a fork, you will need to update your branch."
-          cat .repo.patch
+          cat repo.patch
           exit 1
       - name: Backup artifact permissions
         run: cd dist && getfacl -R . > permissions-backup.acl
         continue-on-error: true
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v4.3.6
         with:
           name: build-artifact
           path: dist
@@ -73,10 +73,10 @@ jobs:
       - name: Download patch
         uses: actions/download-artifact@v4
         with:
-          name: .repo.patch
+          name: repo.patch
           path: ${{ runner.temp }}
       - name: Apply patch
-        run: '[ -s ${{ runner.temp }}/.repo.patch ] && git apply ${{ runner.temp }}/.repo.patch || echo "Empty patch. Skipping."'
+        run: '[ -s ${{ runner.temp }}/repo.patch ] && git apply ${{ runner.temp }}/repo.patch || echo "Empty patch. Skipping."'
       - name: Set git identity
         run: |-
           git config user.name "github-actions"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e4e1ff6..ba5ee7b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -49,7 +49,7 @@ jobs:
         continue-on-error: true
       - name: Upload artifact
         if: ${{ steps.git_remote.outputs.latest_commit == github.sha }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v4.3.6
         with:
           name: build-artifact
           path: dist
diff --git a/.github/workflows/upgrade-main.yml b/.github/workflows/upgrade-main.yml
index e1821cc..a35e0a3 100644
--- a/.github/workflows/upgrade-main.yml
+++ b/.github/workflows/upgrade-main.yml
@@ -32,14 +32,14 @@ jobs:
         id: create_patch
         run: |-
           git add .
-          git diff --staged --patch --exit-code > .repo.patch || echo "patch_created=true" >> $GITHUB_OUTPUT
+          git diff --staged --patch --exit-code > repo.patch || echo "patch_created=true" >> $GITHUB_OUTPUT
         working-directory: ./
       - name: Upload patch
         if: steps.create_patch.outputs.patch_created
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v4.3.6
         with:
-          name: .repo.patch
-          path: .repo.patch
+          name: repo.patch
+          path: repo.patch
           overwrite: true
   pr:
     name: Create Pull Request
@@ -56,10 +56,10 @@ jobs:
       - name: Download patch
         uses: actions/download-artifact@v4
         with:
-          name: .repo.patch
+          name: repo.patch
           path: ${{ runner.temp }}
       - name: Apply patch
-        run: '[ -s ${{ runner.temp }}/.repo.patch ] && git apply ${{ runner.temp }}/.repo.patch || echo "Empty patch. Skipping."'
+        run: '[ -s ${{ runner.temp }}/repo.patch ] && git apply ${{ runner.temp }}/repo.patch || echo "Empty patch. Skipping."'
       - name: Set git identity
         run: |-
           git config user.name "github-actions"
diff --git a/package.json b/package.json
index 306b1ff..2304a0d 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "jsii-docgen": "^10.5.0",
     "jsii-pacmak": "^1.103.1",
     "jsii-rosetta": "1.x",
-    "projen": "^0.86.6",
+    "projen": "^0.86.9",
     "ts-jest": "^27",
     "ts-node": "^10.9.2",
     "typescript": "^4.9.5",
diff --git a/yarn.lock b/yarn.lock
index 4094c6c..972b376 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5854,10 +5854,10 @@ process-nextick-args@~2.0.0:
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
   integrity sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==
 
-projen@^0.86.6:
-  version "0.86.6"
-  resolved "https://registry.yarnpkg.com/projen/-/projen-0.86.6.tgz#65943163283a291fedbd61c53a9c3cbd21c109dd"
-  integrity sha512-UBDdUrNku6y4fTx++YXVMi9NqaaWOUzEAzPVSVtUkOdW0itV7YfE9GxXRbVrM8gB+b3doem1o1kdddaEkfsuDw==
+projen@^0.86.9:
+  version "0.86.9"
+  resolved "https://registry.yarnpkg.com/projen/-/projen-0.86.9.tgz#71c0524fb4abde95b3610103483928a348680371"
+  integrity sha512-6hfEyTWMOnVLfo7YdE9362j8eZP+or7asekr2qh6hpZ5oAO56YZ7xjZ2bOIJqtU6g7dGM06AZoeJczad7ml44A==
   dependencies:
     "@iarna/toml" "^2.2.5"
     case "^1.6.3"