diff --git a/pkgs/tools/security/chkrootkit/default.nix b/pkgs/tools/security/chkrootkit/default.nix
index 73f7f8c9ae5e..36a203a7b507 100644
--- a/pkgs/tools/security/chkrootkit/default.nix
+++ b/pkgs/tools/security/chkrootkit/default.nix
@@ -1,16 +1,15 @@
 {stdenv, fetchurl}:
-  
+
 stdenv.mkDerivation {
-  name = "chkrootkit-0.48";
-  
+  name = "chkrootkit-0.50";
+
   src = fetchurl {
     url = ftp://ftp.pangeia.com.br/pub/seg/pac/chkrootkit.tar.gz;
-    sha256 = "1yzid6bw092nf8k83y1119kc4ns7r0l3zsfah5xal8kh19ad7cxl";
+    sha256 = "1ivclp7ixndacjmf7xgj8lfa6h7ihx44mzzsapqdvf0c5f9gqj4m";
   };
 
   installPhase = "
     mkdir -p $out/sbin
     cp check_wtmpx chkdirs chklastlog chkproc chkrootkit chkutmp chkwtmp ifpromisc strings-static $out/sbin
   ";
-  
 }