diff --git a/pkgs/tools/archivers/unrar/default.nix b/pkgs/tools/archivers/unrar/default.nix
index a1454229a1c..563b21c76d8 100644
--- a/pkgs/tools/archivers/unrar/default.nix
+++ b/pkgs/tools/archivers/unrar/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "unrar-${version}";
-  version = "5.5.5";
+  version = "5.5.7";
 
   src = fetchurl {
     url = "http://www.rarlab.com/rar/unrarsrc-${version}.tar.gz";
-    sha256 = "1vv1s1pa0pf1r0h7dw89ha9y68x7hdm82csnkh6ms0igrcwkhmd4";
+    sha256 = "13rd69ss6jqsa6yxr8kmgs84kb67k822d2mbiz29m75zj46hmvwa";
   };
 
   postPatch = ''