diff --git a/requirements.txt b/requirements.txt
index 2448abeb60ccb2e446ed78ef911a4e02dc000ff6..fb89229fb3b04e241676b1c62629a9a671ab40b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
 git+https://github.com/zrgt/basyx-python-sdk@improve/V30RC02
-s3i
\ No newline at end of file
+s3i==0.6.5
\ No newline at end of file