diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 413f6c73..72dc0ef2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,8 +23,8 @@ jobs:
           git -C mypy checkout $(cat mypy_commit)
       - name: Install cibuildwheel and pypyp
         run: |
-          pipx install cibuildwheel==2.19.2
-          pipx install pypyp==1
+          pipx install cibuildwheel==2.21.3
+          pipx install pypyp==1.2.0
       - id: set-matrix
         run: |
           MATRIX=$(
@@ -32,7 +32,7 @@ jobs:
               cibuildwheel --config-file=cibuildwheel.toml --print-build-identifiers --platform linux mypy \
               | pyp 'json.dumps({"only": x, "os": "ubuntu-latest"})' \
               && cibuildwheel --config-file=cibuildwheel.toml --print-build-identifiers --platform macos mypy \
-              | pyp 'json.dumps({"only": x, "os": "macos-14"})' \
+              | pyp 'json.dumps({"only": x, "os": "macos-latest"})' \
               && cibuildwheel --config-file=cibuildwheel.toml --print-build-identifiers --platform windows mypy \
               | pyp 'json.dumps({"only": x, "os": "windows-latest"})'
             } | pyp 'json.dumps(list(map(json.loads, lines)))'
@@ -66,7 +66,7 @@ jobs:
           git clone https://github.com/python/mypy.git --recurse-submodules
           git -C mypy checkout $(cat mypy_commit)
 
-      - uses: pypa/cibuildwheel@v2.19.2
+      - uses: pypa/cibuildwheel@v2.21.3
         with:
           config-file: cibuildwheel.toml
           package-dir: mypy
diff --git a/cibuildwheel.toml b/cibuildwheel.toml
index c1462ad5..978688e0 100644
--- a/cibuildwheel.toml
+++ b/cibuildwheel.toml
@@ -2,7 +2,9 @@
 
 build-frontend = "build"
 linux.manylinux-x86_64-image = "manylinux_2_28"
+linux.manylinux-aarch64-image = "manylinux_2_28"
 linux.musllinux-x86_64-image = "musllinux_1_1"  # Change to musllinux_1_2 at some point
+linux.musllinux-aarch64-image = "musllinux_1_1"  # Change to musllinux_1_2 at some point
 
 # Don't build 32-bit wheels or PyPy
 skip = [
diff --git a/mypy_commit b/mypy_commit
index a549ce6e..956b0d48 100644
--- a/mypy_commit
+++ b/mypy_commit
@@ -1 +1 @@
-d1d3c780c7a2d30b2a038903289ea7487303a218
+b0db694cc7c6c359a9ce7b036727d0a6f3336f58