diff --git a/backend/requirements.txt b/backend/requirements.txt
index d892e9f..68b8aea 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -2,7 +2,7 @@
 valispace==0.1.16 # Valispace Python API
 
 # Valispace integration Packages (optional)
-git+https://github.com/SimScaleGmbH/simscale-python-sdk.git@2.0.0 # SimScale Python SDK
+git+https://github.com/SimScaleGmbH/simscale-python-sdk.git@4.0.0 # SimScale Python SDK
 
 # Basic scientifical packages (mandatory)
 git+https://git@github.com/valispace/pint.git@0.21.dev0+valispace#egg=pint # Physical quantities module (Valispace version)
@@ -29,4 +29,4 @@ slack_sdk==3.19.5 # The Slack API Platform SDK for Python
 xacro4sdf==2.1.0 # A simple XML macro script for SDF, like ros/xacro which is designed for URDF
 xlrd==2.0.1 # Library for developers to extract data from Microsoft Excel (tm) .xls spreadsheet files
 xlsxwriter==3.0.7 # A Python module for creating Excel XLSX files
-plotly==5.16.1 #Browser based graphing library
\ No newline at end of file
+plotly==5.16.1 #Browser based graphing library