diff --git a/.github/workflows/omv-ci.yml b/.github/workflows/omv-ci.yml
index b00e6b6..d541a72 100644
--- a/.github/workflows/omv-ci.yml
+++ b/.github/workflows/omv-ci.yml
@@ -21,8 +21,6 @@ jobs:
            - jNeuroML_validate
            - PyNEST
            - "PyNEST:2.20.0"  
-           - "PyNEST:3.2"    
-           - "PyNEST:3.3"  
            - "PyNEST:3.4"    
            - "PyNEST:3.6"    
            - "PyNEST:3.8"    
@@ -52,7 +50,9 @@ jobs:
     - name: Install OMV
       run: |
         pip install git+https://github.com/OpenSourceBrain/osb-model-validation # @test_nest
-        pip install scipy sympy matplotlib "cython<3.1.0" pandas tables
+        
+        pip install matplotlib "cython<3.1.0"  # let omv handle other deps...
+        
         sudo apt-get install libgsl27 libgslcblas0 # install GSL for ubuntu 24.04
 
     - name: Run OMV tests on engine ${{ matrix.engine }}