diff --git a/src/requirements.txt b/src/requirements.txt
index de97d80..b458fd9 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -1,5 +1,5 @@
 awattar==0.2.1
-pandas==2.0.2
+pandas==1.3.5
 netznoe-smartmeter-portal-api==1.0.2 
 openpyxl==3.1.2 
 argparse==1.4.0