diff --git a/ci/requirements.txt b/ci/requirements.txt
index 836f9d1..89f97ec 100644
--- a/ci/requirements.txt
+++ b/ci/requirements.txt
@@ -1,6 +1,6 @@
 #python>=3.8
 matplotlib==3.8.2
-numpy==1.26.2
+numpy==1.26.4
 pandas==2.2.0
 xlrd>=1.0.0
 netcdf4==1.6.5
diff --git a/ci/requirements_dev.txt b/ci/requirements_dev.txt
index b2fa8e8..6d4d77a 100644
--- a/ci/requirements_dev.txt
+++ b/ci/requirements_dev.txt
@@ -1,6 +1,6 @@
 #python>=3.8
 matplotlib==3.8.2
-numpy==1.26.2
+numpy==1.26.4
 pandas==2.2.0
 xlrd>=1.0.0
 netcdf4==1.6.5