diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5585897c..e362971e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -77,6 +77,7 @@ jobs:
            channels:
               - conda-forge
               - bioconda
+	   channel_priority: strict
         cache-downloads: true
         cache-environment: true
         create-args: >-