diff --git a/pkgs/applications/misc/synergy/cryptopp.patch b/pkgs/applications/misc/synergy/cryptopp.patch
deleted file mode 100644
index 1c296423acd..00000000000
--- a/pkgs/applications/misc/synergy/cryptopp.patch
+++ /dev/null
@@ -1,45 +0,0 @@
-diff -urN synergy-1.4.17-Source/CMakeLists.txt synergy-1.4.17-Source-fix/CMakeLists.txt
---- synergy-1.4.17-Source/CMakeLists.txt	2014-03-14 21:34:19.000000000 +0100
-+++ synergy-1.4.17-Source-fix/CMakeLists.txt	2014-04-11 13:37:18.839338710 +0200
-@@ -145,6 +145,9 @@
- 	check_type_size(long SIZEOF_LONG)
- 	check_type_size(short SIZEOF_SHORT)
- 
-+	# let's just assume cryptopp exists (provided by the Nix expression)
-+	list(APPEND libs cryptopp)
-+
- 	# pthread is used on both Linux and Mac
- 	check_library_exists("pthread" pthread_create "" HAVE_PTHREAD)
- 	if (HAVE_PTHREAD)
-@@ -317,7 +320,6 @@
- endif()
- 
- add_subdirectory(src)
--add_subdirectory(ext)
- 
- if (WIN32)
- 	# TODO:	consider using /analyze to uncover potential bugs in the source code.
-diff -urN synergy-1.4.17-Source/src/lib/io/CryptoMode_cryptopp.h synergy-1.4.17-Source-fix/src/lib/io/CryptoMode_cryptopp.h
---- synergy-1.4.17-Source/src/lib/io/CryptoMode_cryptopp.h	2014-02-28 13:36:45.000000000 +0100
-+++ synergy-1.4.17-Source-fix/src/lib/io/CryptoMode_cryptopp.h	2014-04-11 13:36:01.111985556 +0200
-@@ -25,6 +25,6 @@
- #	pragma GCC system_header
- #endif 
- 
--#include <cryptopp562/gcm.h>
--#include <cryptopp562/modes.h>
--#include <cryptopp562/aes.h>
-+#include <cryptopp/gcm.h>
-+#include <cryptopp/modes.h>
-+#include <cryptopp/aes.h>
-diff -urN synergy-1.4.17-Source/src/lib/io/CryptoStream_cryptopp.h synergy-1.4.17-Source-fix/src/lib/io/CryptoStream_cryptopp.h
---- synergy-1.4.17-Source/src/lib/io/CryptoStream_cryptopp.h	2014-02-28 13:36:45.000000000 +0100
-+++ synergy-1.4.17-Source-fix/src/lib/io/CryptoStream_cryptopp.h	2014-04-11 13:36:07.173013005 +0200
-@@ -25,5 +25,5 @@
- #	pragma GCC system_header
- #endif
- 
--#include <cryptopp562/osrng.h>
--#include <cryptopp562/sha.h>
-+#include <cryptopp/osrng.h>
-+#include <cryptopp/sha.h>
diff --git a/pkgs/applications/misc/synergy/default.nix b/pkgs/applications/misc/synergy/default.nix
index 0d3337b478f..1c97223a955 100644
--- a/pkgs/applications/misc/synergy/default.nix
+++ b/pkgs/applications/misc/synergy/default.nix
@@ -1,38 +1,27 @@
 { stdenv, fetchFromGitHub, cmake, x11, libX11, libXi, libXtst, libXrandr
-, xinput, curl, cryptopp ? null, unzip }:
-
-assert stdenv.isLinux -> cryptopp != null;
+, xinput, curl, openssl, unzip }:
 
 with stdenv.lib;
 
 stdenv.mkDerivation rec {
   name = "synergy-${version}";
-  version = "1.6.3";
+  version = "1.7.4";
 
   src = fetchFromGitHub {
     owner = "synergy";
     repo = "synergy";
-    rev = version;
-    sha256 = "0n4zvz669vi2wyn6i6xhxp0j3nvjl4yzm441cqv6hb0d5k26wbcn";
+    rev = "v${version}-stable";
+    sha256 = "0pxj0qpnsaffpaxik8vc5rjfinmx8ab3b2lssrxkfbs7isskvs33";
   };
 
-  patches = optional stdenv.isLinux ./cryptopp.patch;
-
-  postPatch = (if stdenv.isLinux then ''
-    sed -i -e '/HAVE_X11_EXTENSIONS_XRANDR_H/c \
-      set(HAVE_X11_EXTENSIONS_XRANDR_H true)' CMakeLists.txt
-  '' else ''
-    ${unzip}/bin/unzip -d ext/cryptopp562 ext/cryptopp562.zip
-  '') + ''
+  postPatch = ''
     ${unzip}/bin/unzip -d ext/gmock-1.6.0 ext/gmock-1.6.0.zip
     ${unzip}/bin/unzip -d ext/gtest-1.6.0 ext/gtest-1.6.0.zip
   '';
 
-  buildInputs = [ cmake x11 libX11 libXi libXtst libXrandr xinput curl ]
-             ++ optional stdenv.isLinux cryptopp;
-
-  # At this moment make install doesn't work for synergy
-  # http://synergy-foss.org/spit/issues/details/3317/
+  buildInputs = [
+    cmake x11 libX11 libXi libXtst libXrandr xinput curl openssl
+  ];
 
   installPhase = ''
     mkdir -p $out/bin