diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index b5a025b..cf5323c 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -86,6 +86,7 @@ jobs:
           ANACONDA_API_TOKEN: ${{ secrets.ANACONDA_TOKEN  }}
         shell: bash -l {0}
         run: |
+          conda config --set solver classic
           conda install -c conda-forge conda-build pytest numpy scipy pandas geopandas sqlite shapely validators anaconda-client -y
           conda build -c anaconda -c conda-forge --output-folder conda conda 
           conda convert -p all conda/linux-64/*.tar.bz2 -f -o conda
diff --git a/conda/meta.yaml b/conda/meta.yaml
index 6f541e1..bef4916 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -13,7 +13,6 @@ build:
 
 requirements:
   build:
-    - mamba
     - {{ compiler('cxx') }}
     - numpy
     - pandas