diff --git a/.github/workflows/posix.yml b/.github/workflows/posix.yml
index 9548ef0..1d8593d 100644
--- a/.github/workflows/posix.yml
+++ b/.github/workflows/posix.yml
@@ -111,8 +111,8 @@ jobs:
     - name: Build and test wheel
       run: |
         if [[ "$NIGHTLY" = "true" ]]; then
-          # Set the pyproject.toml version
-          version = $(cd OpenBLAS && git describe --tags --abbrev=8 | sed -e "s/^v\(.*\)-g.*/\1/")
+          # Set the pyproject.toml version: convert v0.3.24-30-g138ed79f to 0.3.34.30
+          version=$(cd OpenBLAS && git describe --tags --abbrev=8 | sed -e "s/^v\(.*\)-g.*/\1/" | sed -e "s/-/./g")
           sed -e "s/^version = .*/version = ${version}/" -i.bak pyproject.toml
         fi
         if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then