diff --git a/docker/env.yaml b/docker/env.yaml
index 3dd16bc..747bc23 100644
--- a/docker/env.yaml
+++ b/docker/env.yaml
@@ -208,7 +208,7 @@ dependencies:
   - spyndex
   - urbanaccess
   - contextily
-  - pyTMD==2.1.6
+  - pyTMD=2.1.6
   - xarray-spatial
 # jupyter things
   - autopep8