diff --git a/pkgs/development/libraries/science/math/coin-utils/default.nix b/pkgs/development/libraries/science/math/coin-utils/default.nix
index 392d80a317a0..6cb7666e5688 100644
--- a/pkgs/development/libraries/science/math/coin-utils/default.nix
+++ b/pkgs/development/libraries/science/math/coin-utils/default.nix
@@ -1,14 +1,14 @@
 { lib, stdenv, fetchFromGitHub, pkg-config }:
 
 stdenv.mkDerivation rec {
-  version = "2.11.8";
+  version = "2.11.9";
   pname = "coinutils";
 
   src = fetchFromGitHub {
     owner = "coin-or";
     repo = "CoinUtils";
     rev = "releases/${version}";
-    hash = "sha256-ZV2nLP/oOLfnBGk1yow+b/oTKpoxyEkcCPHCSNAk+Tk=";
+    hash = "sha256-DgHVbcXd36WW6JQbiq1MUHAiKLs8CTau87rs0T76sGs=";
   };
 
   doCheck = true;