diff --git a/dwd-harvester/harvester/requirements.txt b/dwd-harvester/harvester/requirements.txt
index 3cb7b8c3c..354701f6c 100644
--- a/dwd-harvester/harvester/requirements.txt
+++ b/dwd-harvester/harvester/requirements.txt
@@ -1,5 +1,5 @@
 attrs==19.3.0
-boto3==1.18.26
+boto3==1.34.21
 botocore==1.21.23
 click==7.1.1
 click-plugins==1.1.1