diff --git a/Library/Formula/cmake.rb b/Library/Formula/cmake.rb
index 9f7715d2b829..e12a7e507a87 100644
--- a/Library/Formula/cmake.rb
+++ b/Library/Formula/cmake.rb
@@ -1,8 +1,8 @@
 class Cmake < Formula
   desc "Cross-platform make"
   homepage "https://www.cmake.org/"
-  url "https://cmake.org/files/v3.4/cmake-3.4.2.tar.gz"
-  sha256 "da7cc34e1ce1d82e67a32ab081c02c2845534cd8bf2e09d88077a1b282e97392"
+  url "https://cmake.org/files/v3.4/cmake-3.4.3.tar.gz"
+  sha256 "b73f8c1029611df7ed81796bf5ca8ba0ef41c6761132340c73ffe42704f980fa"
   head "https://cmake.org/cmake.git"
 
   bottle do