diff --git a/pkgs/development/tools/watchman/default.nix b/pkgs/development/tools/watchman/default.nix
index 2f02a7a4a1f8..9c09277deb78 100644
--- a/pkgs/development/tools/watchman/default.nix
+++ b/pkgs/development/tools/watchman/default.nix
@@ -5,13 +5,13 @@
 stdenv.mkDerivation rec {
   name = "watchman-${version}";
 
-  version = "4.3.0";
+  version = "4.5.0";
 
   src = fetchFromGitHub {
     owner = "facebook";
     repo = "watchman";
     rev = "v${version}";
-    sha256 = "0dcaklw4d42z8hndy9zsdqqv1q8r18wnwldgdgjvp5c9vijvgyrd";
+    sha256 = "0hyj7nbsm5mv8zq2fldd06f92a3wamavha20311518qv7q5jj72v";
   };
 
   buildInputs = [ autoconf automake pcre ];