diff --git a/pkgs/tools/networking/chrony/default.nix b/pkgs/tools/networking/chrony/default.nix
index 8c8972d0cb5d..585117b5cc73 100644
--- a/pkgs/tools/networking/chrony/default.nix
+++ b/pkgs/tools/networking/chrony/default.nix
@@ -5,11 +5,11 @@ assert stdenv.isLinux -> libcap != null;
 
 stdenv.mkDerivation rec {
   pname = "chrony";
-  version = "4.2";
+  version = "4.3";
 
   src = fetchurl {
     url = "https://download.tuxfamily.org/chrony/${pname}-${version}.tar.gz";
-    sha256 = "sha256-Jz+f0Vwyjtbzpfa6a67DWkIaNKc7tyVgUymxcSBI25o=";
+    sha256 = "sha256-nQ2oiahl8ImlohYQ/7ZxPjyUOM4wOmO0nC+26v9biAQ=";
   };
 
   postPatch = ''