diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d20bef5..adc7e83 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -38,7 +38,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
-          python-version: "3.8"
+          python-version: "3.13"
       - name: Set version from release tag
         if: github.event_name == 'release'
         shell: bash
@@ -74,11 +74,10 @@ jobs:
           pytest
       - name: pytest
         if: ${{ !startsWith(matrix.platform.target, 'x86') && matrix.platform.target != 'ppc64' }}
-        uses: uraimo/run-on-arch-action@v2
+        uses: uraimo/run-on-arch-action@v3
         with:
           arch: ${{ matrix.platform.target }}
-          # run-on-arch-action@v2 ships no ubuntu24.04 image; ubuntu22.04 has
-          # the aarch64 image needed to run the emulated test step.
+          # ubuntu22.04 provides the aarch64 image used to run the emulated tests.
           distro: ubuntu22.04
           githubToken: ${{ github.token }}
           install: |
@@ -107,7 +106,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
-          python-version: "3.8"
+          python-version: "3.13"
       - name: Set version from release tag
         if: github.event_name == 'release'
         shell: bash
@@ -143,7 +142,7 @@ jobs:
           '
       - name: pytest
         if: ${{ !startsWith(matrix.platform.target, 'x86') }}
-        uses: uraimo/run-on-arch-action@v2
+        uses: uraimo/run-on-arch-action@v3
         with:
           arch: ${{ matrix.platform.target }}
           distro: alpine_latest
@@ -167,7 +166,7 @@ jobs:
         # 32-bit CPython 3.13, and it's a legacy target with ~no users. Those
         # install from the sdist.
         platform:
-          - runner: windows-latest
+          - runner: windows-2025
             target: x64
             python_arch: x64
           - runner: windows-11-arm
@@ -224,7 +223,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
-          python-version: "3.8"
+          python-version: "3.13"
       - name: Set version from release tag
         if: github.event_name == 'release'
         shell: bash
diff --git a/Cargo.lock b/Cargo.lock
index f49cd0f..bd8a79d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -196,7 +196,7 @@ checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
 
 [[package]]
 name = "seqfold"
-version = "0.10.0"
+version = "0.10.1"
 dependencies = [
  "pyo3",
  "rayon",
diff --git a/Cargo.toml b/Cargo.toml
index 4c39669..822ccf8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "seqfold"
 # Dev default only. Releases take the version from the GitHub Release tag, which
 # the CI injects here before building (see DEVELOPMENT.md). pyproject.toml reads
 # this via `dynamic = ["version"]`.
-version = "0.10.0"
+version = "0.10.1"
 edition = "2021"
 description = "Predict the minimum free energy structure of nucleic acids"
 license = "MIT"