diff --git a/.github/workflows/build-uharfbuzz.yml b/.github/workflows/build-uharfbuzz.yml
index 2381982b26..512f0ecda6 100644
--- a/.github/workflows/build-uharfbuzz.yml
+++ b/.github/workflows/build-uharfbuzz.yml
@@ -78,6 +78,9 @@ jobs:
           CIBW_BUILD: cp310-${{ matrix.libc }}_riscv64
           CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
           CIBW_MUSLLINUX_RISCV64_IMAGE: ${{ env.MUSLLINUX_RISCV64_IMAGE }}
+          # The riscv64-compat patch leaves the checkout dirty relative to the
+          # tag, so setuptools_scm would otherwise compute a dev version.
+          CIBW_ENVIRONMENT: SETUPTOOLS_SCM_PRETEND_VERSION=${{ env.UHARFBUZZ_VERSION }}
           # Upstream's own repair-wheel-command pipes into a pipx-installed
           # abi3audit, which the riscv64 image doesn't carry (gotcha 217);
           # cibuildwheel's own default audit-command already abi3audits every