diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7a06bd8dc..c26b92918 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -441,7 +441,9 @@ jobs:
     - name: Set PUBLIC_URL
       run: echo "PUBLIC_URL=." >> $GITHUB_ENV
     - name: Build @stlite/mountable
-      run: make mountable
+      run: |
+        make mountable CRA_ARGS=--stats
+        mv build/bundle-stats.json bundle-stats.json
 
     - name: Package
       working-directory: packages/mountable
@@ -461,6 +463,12 @@ jobs:
         path: packages/mountable/stlite-mountable-v*.tgz
         name: stlite-mountable-${{ github.ref_name }}.tgz
 
+    - name: Upload the Webpack stats JSON file as an artifact
+      uses: actions/upload-artifact@v3
+        with:
+          path: packages/mountable/bundle-stats.json
+          name: mountable-bundle-stats.json
+
   publish-mountable:
     if: ${{ !failure() && startsWith(github.ref, 'refs/tags/v') }}  # `!failure()` is necessary to avoid skipping this job after successful build: https://github.com/actions/runner/issues/491
     needs: [build-mountable]
diff --git a/Makefile b/Makefile
index 722207ab5..c81ffdacd 100644
--- a/Makefile
+++ b/Makefile
@@ -61,14 +61,14 @@ $(common-react): packages/common-react/src/*.ts yarn_install
 mountable: $(mountable)
 $(mountable): packages/mountable/src/*.ts packages/mountable/src/*.tsx $(kernel) $(common-react)
 	cd packages/mountable; \
-	yarn build
+	yarn build ${CRA_ARGS}
 	@touch $@
 
 .PHONY: sharing
 sharing: $(sharing)
 $(sharing): packages/sharing/src/*.ts packages/sharing/src/*.tsx $(kernel) $(sharing-common) $(common-react) yarn_install
 	cd packages/sharing; \
-	yarn build
+	yarn build ${CRA_ARGS}
 	@touch $@
 
 .PHONY: sharing-common
@@ -82,14 +82,14 @@ $(sharing-common): packages/sharing-common/src/*.ts yarn_install
 sharing-editor: $(sharing-editor)
 $(sharing-editor): packages/sharing-editor/src/*.ts packages/sharing-editor/src/*.tsx $(common) $(sharing-common) yarn_install
 	cd packages/sharing-editor; \
-	yarn build
+	yarn build ${CRA_ARGS}
 	@touch $@
 
 .PHONY: desktop
 desktop: $(desktop)
 $(desktop): packages/desktop/src/*.ts packages/desktop/src/*.tsx packages/desktop/electron/*.ts $(kernel) $(common) $(common-react) yarn_install
 	cd packages/desktop; \
-	yarn build
+	yarn build ${CRA_ARGS}
 	@touch $@
 
 .PHONY: kernel