diff --git a/pkgs/tools/archivers/unrar/default.nix b/pkgs/tools/archivers/unrar/default.nix
index 1e07b4114a5..0086891da29 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 = "5.4.4";
+  version = "5.4.5";
 
   src = fetchurl {
     url = "http://www.rarlab.com/rar/unrarsrc-${version}.tar.gz";
-    sha256 = "10rdbp19mcblgzhs9xh3lr1d1x0n1clyc46flg21ic3427b6assm";
+    sha256 = "0v3rz2245bp2nh4115ysqv34vqlrpln9y11fnlzqj8i46f2caw74";
   };
 
   postPatch = ''