diff --git a/requirements.txt b/requirements.txt
index 93b4137..b96cf07 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-git+https://github.com/SENERGY-Platform/analytics-operator-lib-python@v1.1.20
+git+https://github.com/SENERGY-Platform/analytics-operator-lib-python@v1.1.21
 toolbox[anomaly_detection] @ git+https://github.com/SENERGY-Platform/timeseries-toolbox@v2.2.74
 
 pandas<2