diff --git a/requirements.txt b/requirements.txt
index edbae4b5031c6f7c2f7d98cb6fdadfe135c53f01..ceef990b82625e41470a1cfdbad75363b3f11835 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 numpy
 requests
 toml
-wzl-udi==9.3.3
+wzl-udi==9.3.4