diff --git a/pkgs/development/python-modules/bump-my-version/default.nix b/pkgs/development/python-modules/bump-my-version/default.nix
index e08b27a1a23c..31d3a2c878e0 100644
--- a/pkgs/development/python-modules/bump-my-version/default.nix
+++ b/pkgs/development/python-modules/bump-my-version/default.nix
@@ -31,14 +31,14 @@
 
 buildPythonPackage rec {
   pname = "bump-my-version";
-  version = "1.2.5";
+  version = "1.2.6";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "callowayproject";
     repo = "bump-my-version";
     tag = version;
-    hash = "sha256-XSURPCU/sXbUOR+FYhrlo1G5W3o06Q+RcRa/lbEUBow=";
+    hash = "sha256-/YaaVWddBAQlDvHqsDfYd5Dv+2VLkFrtuTfCGih4XBo=";
   };
 
   build-system = [