diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index fbd7e89..c3a4845 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -31,6 +31,27 @@ jobs:
           # - "ubuntu:noble"
           # - "debian:trixie"
     runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Earthly
+        uses: earthly/actions-setup@v1
+      - name: Build
+        run: |
+          earthly --ci +build --OS=${{matrix.os}}
+  packaging-tests:
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - "ubuntu:focal"
+          - "debian:bullseye"
+          - "ubuntu:jammy"
+          - "debian:bookworm"
+          # TODO(astraw/stdeb#195)
+          # - "ubuntu:noble"
+          # - "debian:trixie"
+    needs: build
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
       - name: Set up Earthly
@@ -38,6 +59,45 @@ jobs:
       - name: Run tests
         run: |
           earthly --ci +test --OS=${{matrix.os}}
+  pypi-install-tests:
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - "ubuntu:focal"
+          - "debian:bullseye"
+          - "ubuntu:jammy"
+          - "debian:bookworm"
+          # TODO(astraw/stdeb#195)
+          # - "ubuntu:noble"
+          # - "debian:trixie"
+    needs: build
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Earthly
+        uses: earthly/actions-setup@v1
+      - name: Run pypi-install tests --
+        run: |
+          earthly --ci +test-pypi-install --OS=${{matrix.os}}
+  2and3-tests:
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - "ubuntu:focal"
+          - "debian:bullseye"
+          - "ubuntu:jammy"
+          - "debian:bookworm"
+          # TODO(astraw/stdeb#195)
+          # - "ubuntu:noble"
+          # - "debian:trixie"
+    needs: build
+    runs-on: ubuntu-2204
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Earthly
+        uses: earthly/actions-setup@v1
       - name: Run pypi-install tests --
         run: |
           earthly --ci +test-pypi-install --OS=${{matrix.os}}