diff --git a/.github/workflows/cibuildwheel.yml b/.github/workflows/cibuildwheel.yml
index d53dd24f..9c25318d 100644
--- a/.github/workflows/cibuildwheel.yml
+++ b/.github/workflows/cibuildwheel.yml
@@ -36,8 +36,8 @@ jobs:
     - name: "Building ${{ matrix.os }} (${{ matrix.arch }}) wheels"
       uses: pypa/cibuildwheel@v2.15.0
       env:
-        # Skips pypy and musllinux for now.
-        CIBW_SKIP: "pp* cp36-* cp37-* *-musllinux*"
+        # Skips pypy py36,37
+        CIBW_SKIP: "pp* cp36-* cp37-* 
         CIBW_ARCHS: ${{ matrix.arch }}
         CIBW_BUILD_FRONTEND: build
         CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
diff --git a/.github/workflows/tests_latest.yml b/.github/workflows/tests_latest.yml
index d1c126ea..89a428a7 100644
--- a/.github/workflows/tests_latest.yml
+++ b/.github/workflows/tests_latest.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.12-dev"]
+        python-version: ["3.13.0-alpha.1"]
     steps:
 
     - uses: actions/checkout@v4
diff --git a/Changelog b/Changelog
index a9e10949..b10a45d7 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,7 @@
+since version 1.6.3 release
+===========================
+ * build musllinux wheels (issue #307).
+
 version 1.6.3 (release tag v1.6.3rel)
 =====================================
  * add support for formats without separators in strptime (e.g. '20200229', issue #301).