diff --git a/pkgs/development/python-modules/alembic/default.nix b/pkgs/development/python-modules/alembic/default.nix
index 4161dfbedfe..18a56936d9d 100644
--- a/pkgs/development/python-modules/alembic/default.nix
+++ b/pkgs/development/python-modules/alembic/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "alembic";
-  version = "1.3.3";
+  version = "1.4.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d412982920653db6e5a44bfd13b1d0db5685cbaaccaf226195749c706e1e862a";
+    sha256 = "035ab00497217628bf5d0be82d664d8713ab13d37b630084da8e1f98facf4dbf";
   };
 
   buildInputs = [ pytest pytestcov mock coverage ];