diff --git a/pkgs/tools/networking/openntpd/default.nix b/pkgs/tools/networking/openntpd/default.nix
index 202cb4c6ba6..47d1dbbcbe6 100644
--- a/pkgs/tools/networking/openntpd/default.nix
+++ b/pkgs/tools/networking/openntpd/default.nix
@@ -5,11 +5,11 @@
 
 stdenv.mkDerivation rec {
   name = "openntpd-${version}";
-  version = "5.7p4";
+  version = "6.0p1";
 
   src = fetchurl {
     url = "mirror://openbsd/OpenNTPD/${name}.tar.gz";
-    sha256 = "08ybpi351284wj53qqrmg13j8l7md397yrqsmg0aqxg3frcxk4x9";
+    sha256 = "1s3plmxmybwpfrimq6sc54wxnn6ca7rb2g5k2bdjm4c88w4q1axi";
   };
 
   configureFlags = [