diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 95bd2bfa47..2d020174b8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -111,11 +111,13 @@ jobs:
       with:
         name: mpy-cross.static-x64-windows
         path: mpy-cross/mpy-cross.static.exe
-    - name: Upload mpy-cross builds to S3
+    - name: Upload stubs and mpy-cross builds to S3
       run: |
         [ -z "$AWS_ACCESS_KEY_ID" ] || aws s3 cp mpy-cross/mpy-cross.static-raspbian s3://adafruit-circuit-python/bin/mpy-cross/mpy-cross.static-raspbian-${{ env.CP_VERSION }} --no-progress --region us-east-1
         [ -z "$AWS_ACCESS_KEY_ID" ] || aws s3 cp mpy-cross/mpy-cross.static s3://adafruit-circuit-python/bin/mpy-cross/mpy-cross.static-amd64-linux-${{ env.CP_VERSION }} --no-progress --region us-east-1
         [ -z "$AWS_ACCESS_KEY_ID" ] || aws s3 cp mpy-cross/mpy-cross.static.exe s3://adafruit-circuit-python/bin/mpy-cross/mpy-cross.static-x64-windows-${{ env.CP_VERSION }}.exe --no-progress --region us-east-1
+        zip -9 circuitpython-stubs.CP_VERSION }}.zip stubs
+        [ -z "$AWS_ACCESS_KEY_ID" ] || aws s3 cp circuitpython-stubs.zip s3://adafruit-circuit-python/bin/stubs/circuitpython-stubs-${{ env.CP_VERSION }}.zip --no-progress --region us-east-1
       env:
         AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
         AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}