diff --git a/environment.yml b/environment.yml
index cb4dcc7..4058ca8 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,7 +4,7 @@ channels:
 - nodefaults
 dependencies:
 - numpy<2.0.0
-- earthkit-data>=0.9.0
+- earthkit-data>=0.9.4
 - geos
 - pip:
   - earthkit-maps>=0.0.19
diff --git a/pyproject.toml b/pyproject.toml
index 6b66147..040e925 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ classifiers = [
 ]
 dependencies = [
   "numpy<2.0.0",
-  "earthkit-data[all]>=0.9.0",
+  "earthkit-data[all]>=0.9.4",
   "earthkit-geo>=0.2.0",
   "earthkit-maps>=0.0.19",
   "earthkit-meteo>=0.1.0",
diff --git a/tests/environment-unit-tests.yml b/tests/environment-unit-tests.yml
index 64fe138..76d1d1f 100644
--- a/tests/environment-unit-tests.yml
+++ b/tests/environment-unit-tests.yml
@@ -9,7 +9,7 @@ dependencies:
 - numpy<2.0.0
 - geos
 - pip:
-  - earthkit-data[all]>=0.9.0
+  - earthkit-data[all]>=0.9.4
   - earthkit-geo>=0.2.0
   - earthkit-maps>=0.0.19
   - earthkit-meteo>=0.1.0