diff --git a/pkgs/applications/misc/privacyidea/default.nix b/pkgs/applications/misc/privacyidea/default.nix
index b05d6d482a2a..86a8f8aaf985 100644
--- a/pkgs/applications/misc/privacyidea/default.nix
+++ b/pkgs/applications/misc/privacyidea/default.nix
@@ -24,7 +24,7 @@ let
       alembic = super.alembic.overridePythonAttrs (lib.const {
         doCheck = false;
       });
-      flask_migrate = super.flask_migrate.overridePythonAttrs (oldAttrs: rec {
+      flask-migrate = super.flask-migrate.overridePythonAttrs (oldAttrs: rec {
         version = "2.7.0";
         src = fetchPypi {
           pname = "Flask-Migrate";
@@ -199,7 +199,7 @@ python3'.pkgs.buildPythonPackage rec {
 
   propagatedBuildInputs = with python3'.pkgs; [
     cryptography pyrad pymysql python-dateutil flask-versioned flask_script
-    defusedxml croniter flask_migrate pyjwt configobj sqlsoup pillow
+    defusedxml croniter flask-migrate pyjwt configobj sqlsoup pillow
     python-gnupg passlib pyopenssl beautifulsoup4 smpplib flask-babel
     ldap3 huey pyyaml qrcode oauth2client requests lxml cbor2 psycopg2
     pydash ecdsa google-auth importlib-metadata argon2-cffi bcrypt segno
diff --git a/pkgs/applications/networking/powerdns-admin/default.nix b/pkgs/applications/networking/powerdns-admin/default.nix
index 887b01f37939..0af5824eb0ed 100644
--- a/pkgs/applications/networking/powerdns-admin/default.nix
+++ b/pkgs/applications/networking/powerdns-admin/default.nix
@@ -12,7 +12,7 @@ let
   python = python3;
 
   pythonDeps = with python.pkgs; [
-    flask flask-assets flask-login flask-sqlalchemy flask_migrate flask-seasurf flask-mail flask-session flask-session-captcha flask-sslify
+    flask flask-assets flask-login flask-sqlalchemy flask-migrate flask-seasurf flask-mail flask-session flask-session-captcha flask-sslify
     mysqlclient psycopg2 sqlalchemy
     certifi cffi configobj cryptography bcrypt requests python-ldap pyotp qrcode dnspython
     gunicorn itsdangerous python3-saml pytz rcssmin rjsmin authlib bravado-core
diff --git a/pkgs/development/python-modules/flask-migrate/default.nix b/pkgs/development/python-modules/flask-migrate/default.nix
index b6bdd4e8f373..f65912be08de 100644
--- a/pkgs/development/python-modules/flask-migrate/default.nix
+++ b/pkgs/development/python-modules/flask-migrate/default.nix
@@ -11,7 +11,7 @@
 }:
 
 buildPythonPackage rec {
-  pname = "Flask-Migrate";
+  pname = "flask-migrate";
   version = "4.0.4";
   format = "pyproject";
 
@@ -19,7 +19,7 @@ buildPythonPackage rec {
 
   src = fetchFromGitHub {
     owner = "miguelgrinberg";
-    repo = pname;
+    repo = "Flask-Migrate";
     rev = "v${version}";
     hash = "sha256-x52LGYvXuTUCP9dR3FP7a/xNRWyCAV1sReDAYJbYDvE=";
   };
diff --git a/pkgs/tools/admin/pgadmin/default.nix b/pkgs/tools/admin/pgadmin/default.nix
index 3d713cee1fd8..3040258c0ca7 100644
--- a/pkgs/tools/admin/pgadmin/default.nix
+++ b/pkgs/tools/admin/pgadmin/default.nix
@@ -145,7 +145,7 @@ pythonPackages.buildPythonApplication rec {
     flask-gravatar
     flask-login
     flask-mail
-    flask_migrate
+    flask-migrate
     flask-sqlalchemy
     flask-wtf
     flask-compress
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 415e41e28791..ed1a359762a9 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -136,6 +136,7 @@ mapAliases ({
   flask_login = flask-login; # added 2022-10-17
   flask_mail = flask-mail; # added 2023-08-23
   flask_marshmallow = flask-marshmallow; # added 2023-08-16
+  flask_migrate = flask-migrate; # added 2023-08-23
   flask-restplus = throw "flask-restplus is no longer maintained, use flask-restx instead"; # added 2023-02-21
   flask_sqlalchemy = flask-sqlalchemy; # added 2022-07-20
   flask_testing = flask-testing; # added 2022-04-25
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 29777361c505..6ec661a210a0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3837,7 +3837,7 @@ self: super: with self; {
 
   flask-marshmallow = callPackage ../development/python-modules/flask-marshmallow { };
 
-  flask_migrate = callPackage ../development/python-modules/flask-migrate { };
+  flask-migrate = callPackage ../development/python-modules/flask-migrate { };
 
   flask-mongoengine = callPackage ../development/python-modules/flask-mongoengine { };