diff --git a/requirements.txt b/requirements.txt
index bdcffa7..8d2be1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
-flask
-gunicorn
-pypdf
+flask==3.1.2
+gunicorn==23.0.0
+pypdf==5.8.0
 
 # For testing
-pytest
\ No newline at end of file
+pytest==8.3.2