diff --git a/pkgs/data/icons/numix-icon-theme-circle/default.nix b/pkgs/data/icons/numix-icon-theme-circle/default.nix
index 8a70b2949afe..61da6a23769d 100644
--- a/pkgs/data/icons/numix-icon-theme-circle/default.nix
+++ b/pkgs/data/icons/numix-icon-theme-circle/default.nix
@@ -1,19 +1,17 @@
-{ stdenv, fetchFromGitHub, unzip }:
+{ stdenv, fetchFromGitHub }:
 
 stdenv.mkDerivation rec {
-  version = "e7008b488edfe37379ba9c4b8d5245dfd6125fc3";
+  version = "2016-05-18";
 
   package-name = "numix-icon-theme-circle";
   
-  name = "${package-name}-20160121-${version}";
+  name = "${package-name}-${version}";
 
-  buildInputs = [ unzip ];
-  
   src = fetchFromGitHub {
     owner = "numixproject";
     repo = package-name;
-    rev = version;
-    sha256 = "0pfcz50b9g7zzskws94m6wvd8zm3sjvhpbzq9vjqi1q02nzflap6";
+    rev = "11a343dcd9b95e2574706157ff7bfe9aa30441d2";
+    sha256 = "0d00fj0hmqchm12j89s1r11ayg7gh8p6cn4fd7zva5n52z35az1w";
   };
 
   dontBuild = true;
diff --git a/pkgs/data/icons/numix-icon-theme/default.nix b/pkgs/data/icons/numix-icon-theme/default.nix
index 909750aec6fb..45f5d2f5ae76 100644
--- a/pkgs/data/icons/numix-icon-theme/default.nix
+++ b/pkgs/data/icons/numix-icon-theme/default.nix
@@ -1,17 +1,17 @@
 { stdenv, fetchFromGitHub }:
 
 stdenv.mkDerivation rec {
-  version = "a704451830d343670721cbf1391df18611d61901";
+  version = "2016-05-18";
 
   package-name = "numix-icon-theme";
 
-  name = "${package-name}-20160120-${version}";
+  name = "${package-name}-${version}";
 
   src = fetchFromGitHub {
     owner = "numixproject";
     repo = package-name;
-    rev = version;
-    sha256 = "0kk0rvywbm074nskjvvy0vjf6giw54jgvrw7sz9kwnv6h75ki96m";
+    rev = "d571e845b9db0e5cc5a50e6d4423d25fc0d613bd";
+    sha256 = "0d9ajh12n1ms7wbgaa3nsdhlwsjwj4flm67cxzsb3dwhpql75z0c";
   };
 
   dontBuild = true;