diff --git a/requirements.txt b/requirements.txt
index a4c3439..88a0e36 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,10 @@
-pycman
-coverage
-flask
-werkzeug
-xlsxwriter
-xlrd
-captcha
-six
-requests
-locust
\ No newline at end of file
+pycman>=0.4.6
+coverage>=5.3
+flask>=1.1.2
+werkzeug>=1.0.1
+xlsxwriter>=1.3.7
+xlrd>=1.2.0
+captcha>=0.3
+six>=1.15.0
+requests>=2.25.0
+locust>=1.5.3
\ No newline at end of file