diff --git a/test/test-oracle-app/requirements.txt b/test/test-oracle-app/requirements.txt
index 9cce72d..56f5331 100644
--- a/test/test-oracle-app/requirements.txt
+++ b/test/test-oracle-app/requirements.txt
@@ -1,3 +1,3 @@
 cx-Oracle==6.0.2
 Eve==0.7.4
-PyYAML==3.12
+PyYAML==5.4