diff --git a/.github/environment.yml b/.github/environment.yml
index d330c7c6..d13b6a95 100644
--- a/.github/environment.yml
+++ b/.github/environment.yml
@@ -6,4 +6,4 @@ dependencies:
   - pip
   - numpy
   - scipy
-  - matplotlib>=2.1.0,<3
+  - matplotlib