diff --git a/pkgs/development/python-modules/strictyaml/default.nix b/pkgs/development/python-modules/strictyaml/default.nix
index cbd08934115c..d85113b50d2e 100644
--- a/pkgs/development/python-modules/strictyaml/default.nix
+++ b/pkgs/development/python-modules/strictyaml/default.nix
@@ -7,13 +7,13 @@
 }:
 
 buildPythonPackage rec {
-  version = "1.4.4";
+  version = "1.5.0";
   pname = "strictyaml";
   disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "044ae3bec56f31e18dff8cfa62a2c9c028f4c7fe4c0f761e50761184d3b68eef";
+    sha256 = "273a6382cc98a404d20779351cd5bb12e746397fbe18a8e9ccec4ae3c0ffa0e2";
   };
 
   postPatch = ''