diff --git a/.github/workflows/build_conda.yml b/.github/workflows/build_conda.yml
index 27f076df..43b33821 100644
--- a/.github/workflows/build_conda.yml
+++ b/.github/workflows/build_conda.yml
@@ -39,6 +39,8 @@ jobs:
       - name: Disable upload
         run: conda config --set anaconda_upload no
 
+      # Pull requests build only the newest Python; pushes to main build
+      # every version listed in conda-recipe/conda_build_config.yaml
       - name: Build
-        run: conda-build conda-recipe 
+        run: conda-build conda-recipe ${{ !(github.event_name == 'push' && github.ref == 'refs/heads/main') && '--python 3.14' || '' }}
 
diff --git a/.github/workflows/build_wheel.yml b/.github/workflows/build_wheel.yml
index d27abd6a..40d27e36 100644
--- a/.github/workflows/build_wheel.yml
+++ b/.github/workflows/build_wheel.yml
@@ -43,6 +43,10 @@ jobs:
       # statistics are printed after each wheel since the host cannot see them.
       - name: Build wheels
         env:
+          # Pull requests and manual runs build only the newest Python; pushes
+          # to main and releases build every version listed in pyproject.toml
+          CIBW_SKIP: >-
+            ${{ !(github.event_name == 'release' || (github.event_name == 'push' && github.ref == 'refs/heads/main')) && 'cp312-* cp313-*' || '' }}
           CIBW_ENVIRONMENT_WINDOWS: CMAKE_GENERATOR=Ninja
           CIBW_REPAIR_WHEEL_COMMAND_LINUX: >-
             auditwheel repair -w {dest_dir} {wheel} && sccache --show-stats
diff --git a/.github/workflows/build_windows.yml b/.github/workflows/build_windows.yml
index 1a562f39..f610f6ec 100644
--- a/.github/workflows/build_windows.yml
+++ b/.github/workflows/build_windows.yml
@@ -9,6 +9,13 @@ jobs:
   build:
     runs-on: windows-latest
 
+    strategy:
+      fail-fast: false
+      matrix:
+        # Pushes to main build and test every supported Python; other runs
+        # only the newest
+        python-version: ${{ fromJSON((github.event_name == 'push' && github.ref == 'refs/heads/main') && '["3.12", "3.13", "3.14"]' || '["3.14"]') }}
+
     env:
       # sccache keeps compiled objects in the GitHub Actions cache, so later
       # runs only recompile the translation units a change affects
@@ -19,7 +26,7 @@ jobs:
 
       - uses: actions/setup-python@v7
         with:
-          python-version: "3.12"
+          python-version: ${{ matrix.python-version }}
 
       - name: Install Python dependencies
         run: python -m pip install ninja numpy matplotlib pytest pytest-check boost-histogram
diff --git a/.github/workflows/build_with_docs.yml b/.github/workflows/build_with_docs.yml
index 9e2dc872..451d580e 100644
--- a/.github/workflows/build_with_docs.yml
+++ b/.github/workflows/build_with_docs.yml
@@ -23,7 +23,7 @@ jobs:
       fail-fast: false
       matrix:
         platform: [ubuntu-latest, macos-latest] 
-        python-version: ["3.12",]
+        python-version: ["3.14",]
 
     runs-on: ${{ matrix.platform }}