diff --git a/PyStationB/libraries/StaticCharacterization/requirements.txt b/PyStationB/libraries/StaticCharacterization/requirements.txt
index 0013ab2..a77b643 100644
--- a/PyStationB/libraries/StaticCharacterization/requirements.txt
+++ b/PyStationB/libraries/StaticCharacterization/requirements.txt
@@ -1,5 +1,5 @@
 matplotlib==3.4.2
-numpy==1.21.1
+numpy==1.22.0
 pandas==1.3.1
 pydantic==1.8.2
 scipy==1.7.0