diff --git a/pkgs/development/tools/build-managers/cmake/default.nix b/pkgs/development/tools/build-managers/cmake/default.nix
index 3ae9fe6f42c9..be9645453e35 100644
--- a/pkgs/development/tools/build-managers/cmake/default.nix
+++ b/pkgs/development/tools/build-managers/cmake/default.nix
@@ -19,12 +19,12 @@ stdenv.mkDerivation rec {
           + lib.optionalString useNcurses "-cursesUI"
           + lib.optionalString withQt5 "-qt5UI"
           + lib.optionalString useQt4 "-qt4UI";
-  version = "3.18.0";
+  version = "3.18.1";
 
   src = fetchurl {
     url = "${meta.homepage}files/v${lib.versions.majorMinor version}/cmake-${version}.tar.gz";
     # compare with https://cmake.org/files/v${lib.versions.majorMinor version}/cmake-${version}-SHA-256.txt
-    sha256 = "0aby67jn3i0rqhj6cvpm0f7idw3dl7jayaqxa9hkk9w2jk5zzd43";
+    sha256 = "0215srmc9l7ygwdpfms8yx0wbd96qgz2d58ykmdiarvysf5k7qy0";
   };
 
   patches = [