diff --git a/.github/workflows/full-stack.yaml b/.github/workflows/full-stack.yaml
index 2fd6662..1021ade 100644
--- a/.github/workflows/full-stack.yaml
+++ b/.github/workflows/full-stack.yaml
@@ -45,14 +45,12 @@ jobs:
       with:
         repository: openforcefield/openff-qcsubmit
         path: openff-qcsubmit
-        fetch-depth: 0
 
     - name: Checkout OpenFF Fragmenter
       uses: actions/checkout@v6
       with:
         repository: openforcefield/openff-fragmenter
         path: openff-fragmenter
-        fetch-depth: 0
 
     - name: Checkout OpenFF Units
       uses: actions/checkout@v6
@@ -65,7 +63,6 @@ jobs:
       with:
         repository: openforcefield/openff-utilities
         path: openff-utilities
-        fetch-depth: 0
 
     - name: Set up conda environment
       uses: mamba-org/setup-micromamba@v3
diff --git a/devtools/conda-envs/full-stack.yaml b/devtools/conda-envs/full-stack.yaml
index 34eca62..729a7e8 100644
--- a/devtools/conda-envs/full-stack.yaml
+++ b/devtools/conda-envs/full-stack.yaml
@@ -1,18 +1,18 @@
 name: full-stack-tests
 channels:
-  - openeye
   - conda-forge
 dependencies:
   - python
-  - setuptools =81
+  - setuptools
   - pip
-  - numpy >=2.4
-  - pydantic >=2,<3,!=2.12
-  - pint >=0.25
-  - openff-toolkit >=0.18
+  - numpy
+  - pydantic
+  - pint
+  - openff-toolkit-base
+  - openff-interchange-base
   - openff-fragmenter
-  - openff-interchange >=0.5
-  - openff-packmol >=0.1
+  - openff-packmol
+  - openmm
   - pymbar
   - pytest
   - pytest-randomly
@@ -23,25 +23,23 @@ dependencies:
   - toml
   - bson
   - msgpack-python
-  - openeye-toolkits >=2025
-  - rdkit !=2024.03.6,!=2024.09.1
+  - openeye::openeye-toolkits
+  - rdkit
   - intermol
 
     # Recharge
   - qcelemental
-  - qcportal >=0.59
   - qcengine
   - geometric
 
   - openff-qcsubmit
+  - qcportal
   - qcarchivetesting
   - qcfractalcompute
   - h5py
-  - psi4 =1.9
+  - psi4
 
   - openff-nagl
 
-  - gromacs >=2024
-  # https://github.com/conda-forge/lammps-feedstock/issues/207
-  - lammps >=2023.08.02
-  - openmpi =4
+  - gromacs
+  # lammps