diff --git a/pkgs/tools/security/sudo/default.nix b/pkgs/tools/security/sudo/default.nix
index b31d60247d8d..b430fd8aad09 100644
--- a/pkgs/tools/security/sudo/default.nix
+++ b/pkgs/tools/security/sudo/default.nix
@@ -4,14 +4,14 @@
 }:
 
 stdenv.mkDerivation rec {
-  name = "sudo-1.8.18";
+  name = "sudo-1.8.18p1";
 
   src = fetchurl {
     urls =
       [ "ftp://ftp.sudo.ws/pub/sudo/${name}.tar.gz"
         "ftp://ftp.sudo.ws/pub/sudo/OLD/${name}.tar.gz"
       ];
-    sha256 = "04xywg2f9x2kfw81abdf8gsraldaz5v0w0x2zi8aqlgsjygfj6c5";
+    sha256 = "0d4l6y03khmzdd8vhfnq8lrb8gcxplzf7gav0a9sd08jf8f4g875";
   };
 
   configureFlags = [