ensure date is older than 3.0.4

KrisThielemans · KrisThielemans · commit 8874fb70f3ee · 2026-03-06T13:57:50.000Z
diff --git a/environment.yml b/environment.yml
@@ -9,7 +9,7 @@ dependencies:
   - compilers
   - h5py>=3.7.0
   - hdf5>=1.12.1
-  - howardhinnant_date>=3.0.1
+  - howardhinnant_date>=3.0.1, <3.0.4
   - ipykernel>=6.19.2
   - just>=1.36.0
   - matplotlib
