diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1f8c4684754..55effee0e1e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -120,7 +120,7 @@ jobs:
       - name: Build CPython
         run: |
           make -j4 regen-all
-          make regen-stdlib-module-names regen-sbom
+          make regen-stdlib-module-names regen-sbom regen-unicodedata
       - name: Check for changes
         run: |
           git add -u