diff --git a/extdep/CMakeLists.txt b/extdep/CMakeLists.txt
index 8735328eb..8ec381330 100644
--- a/extdep/CMakeLists.txt
+++ b/extdep/CMakeLists.txt
@@ -34,14 +34,14 @@ if (ETH_COMPILE)
 	# boost
 	include(compile/boost.cmake)
 else()	
+	eth_download(boost VERSION 1.55.0)
+	eth_download(cryptopp VERSION 5.6.2)
 	eth_download(curl VERSION 7.4.2)
 	eth_download(jsoncpp VERSION 1.6.2)
-	eth_download(microhttpd VERSION 0.9.2)
 	eth_download(json-rpc-cpp VERSION 0.5.0)
-	eth_download(qt VERSION 5.4)
-	eth_download(leveldb)
-	eth_download(cryptopp)
-	eth_download(boost)
+	eth_download(leveldb VERSION 1.2)
+	eth_download(microhttpd VERSION 0.9.2)
+	eth_download(qt VERSION 5.4.1)
 endif()
 
 # will be re-eanbled later