diff --git a/devtools/conda-envs/psi-nightly.yaml b/devtools/conda-envs/psi-nightly.yaml
index 1455aa1d..04d40899 100644
--- a/devtools/conda-envs/psi-nightly.yaml
+++ b/devtools/conda-envs/psi-nightly.yaml
@@ -5,18 +5,15 @@ channels:
 dependencies:
   - psi4=1.6
   - blas=*=mkl  # not needed but an example of disuading solver from openblas and old psi
-  - mkl=2021.4.0=h8d4b97c_729
 
     # Core
   - python
   - pyyaml
   - py-cpuinfo
   - psutil
-  - qcelemental=0.27.1
+  - qcelemental >=0.26.0
   - pydantic>=1.0.0
   - msgpack-python
-  - pint=0.17
-  - numpy=1.22.4
 
     # Testing
   - pytest