diff --git a/.github/workflows/ci-integration.yml b/.github/workflows/ci-integration.yml
index b89408b9..e644f76f 100644
--- a/.github/workflows/ci-integration.yml
+++ b/.github/workflows/ci-integration.yml
@@ -29,6 +29,11 @@ jobs:
         python-version:
           - "3.9"
           - "3.10"
+        deps-versions: ['openfe-release']
+        include:
+          - os: 'ubuntu'
+            python-version: "3.10"
+            deps-versions: 'openfe-latest'
 
     steps:
       - uses: actions/checkout@v2
@@ -42,6 +47,9 @@ jobs:
             environment-file: devtools/conda-envs/test.yml
             activate-environment: alchemiscale-test
 
+      - name: "Install openfe & gufe from latest source"
+        if: ${{ matrix.deps-versions == 'openfe-latest' }}
+        run: pip install --no-deps git+https://github.com/OpenFreeEnergy/gufe git+https://github.com/OpenFreeEnergy/openfe
 
       - name: "Install"
         run: python -m pip install --no-deps -e .