diff --git a/.cirrus.yml b/.cirrus.yml
index 2b20b311..f2a6b475 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -11,15 +11,15 @@ build_wheels_task:
         - name: Build ARM Linux py3.6-9 wheels
           env:
             CIBW_BUILD: "cp36-* cp37-* cp38-* cp39-*"
-        - name: Build ARM Linux py3.10-12 wheels
+        - name: Build ARM Linux py3.10-13 wheels
           env:
-            CIBW_BUILD: "cp310-* cp311-* cp312-*"
+            CIBW_BUILD: "cp310-* cp311-* cp312-* cp313-*"
 
     - name: Build ARM macOS wheels
       macos_instance:
         image: ghcr.io/cirruslabs/macos-sonoma-base:latest
       env:
-        CIBW_BUILD: "cp39-* cp310-* cp311-* cp312-*"
+        CIBW_BUILD: "cp39-* cp310-* cp311-* cp312-* cp313-*"
 
   alias: build_wheels
 
@@ -36,7 +36,7 @@ build_wheels_task:
 
   install_script: |
     python3 -m venv $VENV
-    pip3 install cibuildwheel==2.17.0
+    pip3 install cibuildwheel==2.21.3
 
   build_script: |
     cibuildwheel
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c300579c..4b13d12d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu, macos]
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         exclude:
           # Run only the latest few 3.x versions on macOS
           - os: macos
@@ -17,6 +17,8 @@ jobs:
             python-version: 3.8
           - os: macos
             python-version: 3.9
+          - os: macos
+            python-version: 3.10
 
     steps:
       - name: Checkout pysam
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index d8bf3c6f..17e914bf 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu, macos]
-        build: ["cp36-* cp37-* cp38-* cp39-*", "cp310-* cp311-* cp312-*"]
+        build: ["cp36-* cp37-* cp38-* cp39-*", "cp310-* cp311-* cp312-*", "cp313-*"]
         x64image: [manylinux_2_28]
         nametag: [none]
 
@@ -28,7 +28,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.17.0
+        uses: pypa/cibuildwheel@v2.21.3
         env:
           CIBW_BUILD: ${{ matrix.build }}
           CIBW_SKIP: "*-musllinux_*"