diff --git a/.github/workflows/python-ci.yaml b/.github/workflows/python-ci.yaml
index 887c901..1de8085 100644
--- a/.github/workflows/python-ci.yaml
+++ b/.github/workflows/python-ci.yaml
@@ -23,44 +23,31 @@ jobs:
           sudo apt-get install -y curl
           mkdir -p $HOME/micromamba
           curl -L https://micromamba.snakepit.net/api/micromamba/linux-64/latest | tar -xvj -C $HOME/micromamba --strip-components=1 bin/micromamba
-        env:
-          MAMBA_ROOT_PREFIX: $HOME/micromamba
 
       - name: Verify Micromamba Installation
         run: |
           $HOME/micromamba/micromamba --version
-        env:
-          MAMBA_ROOT_PREFIX: $HOME/micromamba
 
       - name: Create environment
         run: |
-          $HOME/micromamba/micromamba create --name just-agents -y -c conda-forge python=${{ matrix.python-version }}
+          $HOME/micromamba/micromamba create --root-prefix $HOME/micromamba --name just-agents -y -c conda-forge python=${{ matrix.python-version }}
           $HOME/micromamba/micromamba env list
-        env:
-          MAMBA_ROOT_PREFIX: $HOME/micromamba
 
       - name: Install dependencies
         run: |
-          $HOME/micromamba/micromamba install -n just-agents -f environment.yaml -y -c conda-forge
-        env:
-          MAMBA_ROOT_PREFIX: $HOME/micromamba
+          $HOME/micromamba/micromamba install --root-prefix $HOME/micromamba -n just-agents -f environment.yaml -y -c conda-forge
 
       - name: Set up Micromamba environment
         run: |
           echo "$HOME/micromamba/bin:$HOME/micromamba/envs/just-agents/bin" >> $GITHUB_PATH
-          echo "MAMBA_ROOT_PREFIX=$HOME/micromamba" >> $GITHUB_ENV
 
       - name: Verify environment creation
         run: |
           $HOME/micromamba/micromamba env list
           ls -al $HOME/micromamba/envs/just-agents
-        env:
-          MAMBA_ROOT_PREFIX: $HOME/micromamba
 
       - name: Run tests
         run: |
           $HOME/micromamba/micromamba run -n just-agents which python
           $HOME/micromamba/micromamba run -n just-agents which pytest
           $HOME/micromamba/micromamba run -n just-agents pytest
-        env:
-          MAMBA_ROOT_PREFIX: $HOME/micromamba