diff --git a/.github/actions/setup-deps/action.yaml b/.github/actions/setup-deps/action.yaml
index cbfd91df7e..b1a08cda78 100644
--- a/.github/actions/setup-deps/action.yaml
+++ b/.github/actions/setup-deps/action.yaml
@@ -23,6 +23,8 @@ inputs:
     default: 'cython'
   fasteners:
     default: 'fasteners'
+  gemmi:
+    default: 'gemmi'
   griddataformats:
     default: 'griddataformats'
   gsd:
@@ -130,6 +132,7 @@ runs:
           ${{ inputs.dask }}
           ${{ inputs.distopia }}
           ${{ inputs.gsd }}
+          ${{ inputs.gemmi }}
           ${{ inputs.h5py }}
           ${{ inputs.hole2 }}
           ${{ inputs.joblib }}