diff --git a/.github/workflows/blueprint.yml b/.github/workflows/blueprint.yml
index 8ce46079..9d8aa3de 100644
--- a/.github/workflows/blueprint.yml
+++ b/.github/workflows/blueprint.yml
@@ -14,17 +14,29 @@ concurrency:
   group: ${{ github.ref }}  # Group runs by the ref (branch or PR)
   cancel-in-progress: true  # Cancel any ongoing runs in the same group
 
-# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages and modify PR labels
 permissions:
-  contents: read  # Read access to repository contents
-  pages: write    # Write access to GitHub Pages
-  id-token: write # Write access to ID tokens
+  contents: read          # Read access to repository contents
+  pages: write            # Write access to GitHub Pages
+  id-token: write         # Write access to ID tokens
+  issues: write           # Write access to issues
+  pull-requests: write    # Write access to pull requests
 
 jobs:
   build_project:
     runs-on: ubuntu-latest
     name: Build project
     steps:
+      - name: Add 'awaiting-CI' label
+        if: >
+          github.event_name == 'pull_request'
+        run: |
+          curl --request POST \
+            --url https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels \
+            --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' \
+            --header 'Content-Type: application/json' \
+            --data '["awaiting-CI"]'
+
       - name: Checkout project
         uses: actions/checkout@v4
         with:
@@ -125,3 +137,13 @@ jobs:
 
       - name: Make sure the API documentation cache works
         run: mv home_page/docs .lake/build/doc
+
+      - name: Remove 'awaiting-CI' label
+        if: >
+          always() &&
+          github.event_name == 'pull_request'
+        run: |
+          curl --request DELETE \
+            --url https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels/awaiting-CI \
+            --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' \
+            --header 'Content-Type: application/json'