diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
new file mode 100644
index 000000000..1ca74c073
--- /dev/null
+++ b/.github/workflows/pr.yml
@@ -0,0 +1,24 @@
+name: Test pull request
+
+on:
+  pull_request:
+    branches:
+      - main
+      - future
+
+jobs:
+  test_main:
+    if: github.base_ref == 'main'
+    uses: ./.github/workflows/test.yml
+    with:
+      source_ref: ${{ github.ref }}
+      firedrake_docker_version: dev-release
+    secrets: inherit
+
+  test_future:
+    if: github.base_ref == 'future'
+    uses: ./.github/workflows/test.yml
+    with:
+      source_ref: ${{ github.ref }}
+      firedrake_docker_version: dev-main
+    secrets: inherit
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
new file mode 100644
index 000000000..70acf2552
--- /dev/null
+++ b/.github/workflows/push.yml
@@ -0,0 +1,24 @@
+name: Test push
+
+on:
+  push:
+    branches:
+      - main
+      - future
+
+jobs:
+  test_main:
+    if: github.ref_name == 'main'
+    uses: ./.github/workflows/test.yml
+    with:
+      source_ref: main
+      firedrake_docker_version: dev-release
+    secrets: inherit
+
+  test_future:
+    if: github.ref_name == 'future'
+    uses: ./.github/workflows/test.yml
+    with:
+      source_ref: future
+      firedrake_docker_version: dev-main
+    secrets: inherit
diff --git a/.github/workflows/schedule.yml b/.github/workflows/schedule.yml
new file mode 100644
index 000000000..cbec279a5
--- /dev/null
+++ b/.github/workflows/schedule.yml
@@ -0,0 +1,21 @@
+name: Weekly tests
+
+on:
+  schedule:
+    # Scheduled for 0330 UTC on Monday mornings to detect bitrot
+    - cron:  '30 3 * * 1'
+
+jobs:
+  test_main:
+    uses: ./.github/workflows/test.yml
+    with:
+      source_ref: main
+      firedrake_docker_version: dev-release
+    secrets: inherit
+
+  test_future:
+    uses: ./.github/workflows/test.yml
+    with:
+      source_ref: future
+      firedrake_docker_version: dev-main
+    secrets: inherit
diff --git a/.github/workflows/build.yml b/.github/workflows/test.yml
similarity index 89%
rename from .github/workflows/build.yml
rename to .github/workflows/test.yml
index e7d5a153b..988f06b4b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/test.yml
@@ -1,31 +1,28 @@
-name: Build Gusto
-
 on:
-  # Push to main or PR
-  push:
-    branches:
-      - main
-  pull_request:
-  schedule:
-    # * is a special character in YAML so you have to quote this string
-    # Scheduled build at 0330 UTC on Monday mornings to detect bitrot.
-    - cron:  '30 3 * * 1'
-
+  workflow_call:
+    inputs:
+      source_ref:
+        description: The Git ref to checkout
+        type: string
+        required: true
+      firedrake_docker_version:
+        description: The Firedrake Docker version to use ('dev-main' or 'dev-release')
+        type: string
+        required: true
+
+# Cancel jobs running if new commits are pushed
 concurrency:
-  # Cancels jobs running if new commits are pushed
   group: >
     ${{ github.workflow }}-
     ${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs:
-  build:
-    name: "Build Gusto"
-    # The type of runner that the job will run on
+  test:
+    name: Test Gusto
     runs-on: [self-hosted, Linux]
-    # The docker container to use.
     container:
-      image: firedrakeproject/firedrake-vanilla-default:latest
+      image: firedrakeproject/firedrake-vanilla-default:${{ inputs.firedrake_docker_version }}
     env:
       # Make Gusto output logging information, this will *not* be printed to
       # the terminal because pytest will capture it. Instead it is written to
@@ -48,11 +45,12 @@ jobs:
           find . -delete
           firedrake-clean
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           # Download Gusto into a subdirectory not called 'gusto' to make sure
           # that the package installs correctly. Otherwise 'import gusto' may
           # work even if the installation failed because it is a subdirectory.
+          ref: ${{ inputs.source_ref }}
           path: gusto-repo
 
       - name: Create virtual environment