diff --git a/Backend-libXML/requirements.txt b/Backend-libXML/requirements.txt
index 7c41ff0..abb4521 100644
--- a/Backend-libXML/requirements.txt
+++ b/Backend-libXML/requirements.txt
@@ -1,3 +1,3 @@
-lxml
-flask
-flask_cors
\ No newline at end of file
+lxml==4.9.2
+flask==2.3.2
+flask_cors==3.0.10
\ No newline at end of file