diff --git a/pkgs/development/python-modules/yamlloader/default.nix b/pkgs/development/python-modules/yamlloader/default.nix
index 97da02102c7f..01abcb16228f 100644
--- a/pkgs/development/python-modules/yamlloader/default.nix
+++ b/pkgs/development/python-modules/yamlloader/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "yamlloader";
-  version = "1.1.0";
+  version = "1.2.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "8a297c7a197683ba02e5e2b882ffd6c6180d01bdefb534b69cd3962df020bfe6";
+    sha256 = "sha256-NWaf17n4xrONuGGlFwFULEJnK0boq2MlNIaoy4N3toc=";
   };
 
   propagatedBuildInputs = [