diff --git a/api/requirements.txt b/api/requirements.txt
index 16da00c..e25210c 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -8,5 +8,6 @@ pyjwt==2.3.0
 apiflask==0.12.0
 flask-cors==3.0.10
 bcrypt==3.2.0
-pytest
-pytest-cov
\ No newline at end of file
+pytest~=7.1.1
+pytest-cov
+marshmallow~=3.15.0
\ No newline at end of file