diff --git a/tests/UDKTests/requirements.txt b/tests/UDKTests/requirements.txt
index 2e8b762..4a4bf95 100644
--- a/tests/UDKTests/requirements.txt
+++ b/tests/UDKTests/requirements.txt
@@ -1,6 +1,6 @@
 httpx==0.25.0
 psutil==5.9.6
-py7zr==0.20.6
+py7zr==0.21.0
 tqdm==4.66.1
 udk_configparser==1.1.1
 watchdog==3.0.0