diff --git a/pkgs/development/python-modules/yamllint/default.nix b/pkgs/development/python-modules/yamllint/default.nix
index cd314b60a8ac..0204b0f92968 100644
--- a/pkgs/development/python-modules/yamllint/default.nix
+++ b/pkgs/development/python-modules/yamllint/default.nix
@@ -10,12 +10,12 @@
 
 buildPythonPackage rec {
   pname = "yamllint";
-  version = "1.26.2";
+  version = "1.26.3";
   disabled = pythonOlder "3.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-CwipZ1Akj98h8egZPLd4dVTvde1Xsn9iHNazvwmvEaE=";
+    sha256 = "3934dcde484374596d6b52d8db412929a169f6d9e52e20f9ade5bf3523d9b96e";
   };
 
   propagatedBuildInputs = [