diff --git a/pkgs/development/python-modules/sqlalchemy-continuum/default.nix b/pkgs/development/python-modules/sqlalchemy-continuum/default.nix
index 944a2cf08e09..da64d44a43fe 100644
--- a/pkgs/development/python-modules/sqlalchemy-continuum/default.nix
+++ b/pkgs/development/python-modules/sqlalchemy-continuum/default.nix
@@ -13,11 +13,11 @@
 
 buildPythonPackage rec {
   pname = "SQLAlchemy-Continuum";
-  version = "1.3.11";
+  version = "1.3.12";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1c9yd9s98crqgs39rc2ld2r0nchgyjrfbjdlqb99y4hhc6lv04xw";
+    sha256 = "rlHl59MAQhsicMtZQT9rv1iQrDyVYJlawtyhvFaAM7o=";
   };
 
   propagatedBuildInputs = [
@@ -41,7 +41,5 @@ buildPythonPackage rec {
     homepage = "https://github.com/kvesteri/sqlalchemy-continuum/";
     description = "Versioning and auditing extension for SQLAlchemy";
     license = licenses.bsd3;
-    # https://github.com/kvesteri/sqlalchemy-continuum/issues/255
-    broken = lib.versionAtLeast sqlalchemy.version "1.4";
   };
 }