diff --git a/requirements.txt b/requirements.txt
index 6f451c7..d686f83 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,12 @@
-Flask
-Flask-SQLAlchemy
-Flask-Security
-Flask-WTF
-PyMySQL
+Flask==2.1.2
+Flask-SQLAlchemy==2.5.1
+Flask-Security==3.0.0
+Flask-WTF==1.0.1
+PyMySQL==1.0.2
 markdown
-Flask-Limiter
-requests
-email_validator
-gunicorn
\ No newline at end of file
+Flask-Limiter==2.4.5.1
+requests==2.27.1
+email-validator==1.2.1
+gunicorn==20.1.0
+pytz==2022.1
+SQLAlchemy==1.4.36