diff --git a/dot_config/conda/condarc.tmpl b/dot_config/conda/condarc.tmpl
index 151d1fe..cf8d3d7 100644
--- a/dot_config/conda/condarc.tmpl
+++ b/dot_config/conda/condarc.tmpl
@@ -2,6 +2,8 @@ channels:
   - conda-forge
   - bioconda
 
+channel_priority: strict
+
 envs_dirs:
   - {{ .paths.data }}/conda/envs