diff --git a/pkgs/tools/security/chkrootkit/default.nix b/pkgs/tools/security/chkrootkit/default.nix
index 54aeb32cabd6..d4a2304b21bb 100644
--- a/pkgs/tools/security/chkrootkit/default.nix
+++ b/pkgs/tools/security/chkrootkit/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "chkrootkit-0.51";
+  name = "chkrootkit-0.52";
 
   src = fetchurl {
     url = "ftp://ftp.pangeia.com.br/pub/seg/pac/${name}.tar.gz";
-    sha256 = "0y0kbhy8156y8zli0wcqbakb9rprzl1w7jn0kw3xjfgzrgsncqgn";
+    sha256 = "04d2yxpy99y90rvrlc9fqmlffs6iyfbghxbhvv12j1xfr2ww0y65";
   };
 
   # TODO: a lazy work-around for linux build failure ...