diff --git a/pkgs/development/libraries/science/math/ipopt/default.nix b/pkgs/development/libraries/science/math/ipopt/default.nix
index 325a6b82a6f9..4f895c851597 100644
--- a/pkgs/development/libraries/science/math/ipopt/default.nix
+++ b/pkgs/development/libraries/science/math/ipopt/default.nix
@@ -12,13 +12,13 @@ assert (!blas.isILP64) && (!lapack.isILP64);
 
 stdenv.mkDerivation rec {
   pname = "ipopt";
-  version = "3.14.5";
+  version = "3.14.9";
 
   src = fetchFromGitHub {
     owner = "coin-or";
     repo = "Ipopt";
     rev = "releases/${version}";
-    sha256 = "sha256-eqOacZGuuGAjWMs2H6RntQ+WJmGTi+EqydHUQXEpY54=";
+    sha256 = "sha256-mlRr1BjkWiJZSgpxQIc0k1tXGewJkHwxf6xe0edUHaY=";
   };
 
   CXXDEFS = [ "-DHAVE_RAND" "-DHAVE_CSTRING" "-DHAVE_CSTDIO" ];