diff --git a/pkgs/development/libraries/clipper2/default.nix b/pkgs/development/libraries/clipper2/default.nix
index 4f4dee29ec98..ea3383871433 100644
--- a/pkgs/development/libraries/clipper2/default.nix
+++ b/pkgs/development/libraries/clipper2/default.nix
@@ -6,13 +6,13 @@
 
 stdenv.mkDerivation rec {
   pname = "clipper2";
-  version = "1.3.0";
+  version = "1.4.0";
 
   src = fetchFromGitHub {
     owner = "AngusJohnson";
     repo = "Clipper2";
     rev = "Clipper2_${version}";
-    sha256 = "sha256-3TKhb48cABl0QcbeG12xlA1taQ/8/RdUUHSp0Qh85eE=";
+    sha256 = "sha256-ASL9uKkXsWyIbD1qaKEL7gf/JuCqzZQZSKHwLT5dKJU=";
   };
 
   sourceRoot = "${src.name}/CPP";