diff --git a/requirements.txt b/requirements.txt
index 73a074bb..af6363c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 # This is used to build the CI test environment and so Github can track dependencies.
-xarray==2024.3.0
+xarray==2024.9.0
 pandas==2.2.2
 numpy==1.26.4
 matplotlib==3.9.2