diff --git a/requirements.txt b/requirements.txt
index 03622f70d..7d895d38a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,8 +4,7 @@ wheel>=0.37.1
 gunicorn==20.1.0
 requests>=2.27.1
 urllib3>=1.21.1
-flask>=2.0.3
-flask<3.0.0
+flask>=2.0.3,<3.0.0
 flask-session==0.3.2
 flask-helper==0.19
 flask-bcrypt==1.0.1
diff --git a/version/r3.9.txt b/version/r3.9.txt
deleted file mode 100644
index 8c3381154..000000000
--- a/version/r3.9.txt
+++ /dev/null
@@ -1 +0,0 @@
-flask==2.3.3
\ No newline at end of file