diff --git a/Dockerfile b/Dockerfile
index dbc031b..f9aa80e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM pytorch/pytorch:1.11.0-cuda11.3-cudnn8-runtime
+FROM python:3.9
 LABEL org.opencontainers.image.source https://github.com/SENERGY-Platform/anomaly-detection-platform
 WORKDIR /usr/src/app
 COPY . .
diff --git a/requirements.txt b/requirements.txt
index e498b08..93b4137 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-git+https://github.com/SENERGY-Platform/analytics-operator-lib-python@v1.1.18
+git+https://github.com/SENERGY-Platform/analytics-operator-lib-python@v1.1.20
 toolbox[anomaly_detection] @ git+https://github.com/SENERGY-Platform/timeseries-toolbox@v2.2.74
 
 pandas<2