diff --git a/.github/.kodiak.toml b/.github/.kodiak.toml
index ded81e4..b64a5f6 100644
--- a/.github/.kodiak.toml
+++ b/.github/.kodiak.toml
@@ -15,4 +15,4 @@ strip_html_comments = true # default: false
 always = true # default: false
 
 [approve]
-auto_approve_usernames = ["1gtm", "tamalsaha"]
+auto_approve_usernames = ["tamalsaha", "1gtm", "1gtm-app[bot]"]
\ No newline at end of file
diff --git a/.github/workflows/preview-website.yml b/.github/workflows/preview-website.yml
index 1c4e917..d083129 100644
--- a/.github/workflows/preview-website.yml
+++ b/.github/workflows/preview-website.yml
@@ -6,12 +6,16 @@ jobs:
   build:
     name: Build
     runs-on: ubuntu-24.04
+    permissions:
+      contents: read
+      checks: write
+      pull-requests: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
         with:
           submodules: true
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: '22'
 
@@ -25,7 +29,7 @@ jobs:
         run: |
           make gen
 
-      - uses: FirebaseExtended/action-hosting-deploy@v0
+      - uses: FirebaseExtended/action-hosting-deploy@092436dca3ec6dacb231d965ae56f7ff6c09f258 # v0
         with:
           repoToken: '${{ secrets.GITHUB_TOKEN }}'
           firebaseServiceAccount: '${{ secrets.FIREBASE_SERVICE_ACCOUNT_APPSCODE_GOVANIURLS }}'
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0905749..1ef826a 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -9,12 +9,16 @@ jobs:
   build:
     name: Build
     runs-on: ubuntu-24.04
+    permissions:
+      contents: read
+      checks: write
+      pull-requests: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
         with:
           submodules: true
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: '22'
 
@@ -31,7 +35,7 @@ jobs:
         run: |
           make gen
 
-      - uses: FirebaseExtended/action-hosting-deploy@v0
+      - uses: FirebaseExtended/action-hosting-deploy@092436dca3ec6dacb231d965ae56f7ff6c09f258 # v0
         with:
           repoToken: '${{ secrets.GITHUB_TOKEN }}'
           firebaseServiceAccount: '${{ secrets.FIREBASE_SERVICE_ACCOUNT_APPSCODE_GOVANIURLS }}'