diff --git a/devtools/docker/environment.yml b/devtools/docker/environment.yml
index 68863b8..b5cb14d 100644
--- a/devtools/docker/environment.yml
+++ b/devtools/docker/environment.yml
@@ -1,6 +1,7 @@
 name: base
 channels:
   - conda-forge
+  - defaults
 dependencies:
   - python
     # Executables, etc.