diff --git a/contrib/src/gnutls/fetch_and_patch.bat b/contrib/src/gnutls/fetch_and_patch.bat
index 656e3df1d258f8c318124fc904a9753e3438ade6..c624f1aaee74377666387f0ee3b36698121e3d82 100644
--- a/contrib/src/gnutls/fetch_and_patch.bat
+++ b/contrib/src/gnutls/fetch_and_patch.bat
@@ -1,6 +1,6 @@
 set BUILD=%SRC%..\build
 
-set GNUTLS_VERSION=gnutls_3_5_10
+set GNUTLS_VERSION=f2d0ade53ff644da55244aed79d05eca78d11a2f
 set GNUTLS_URL=https://github.com/ShiftMediaProject/gnutls/archive/%GNUTLS_VERSION%.tar.gz
 
 mkdir %BUILD%
diff --git a/contrib/src/nettle/fetch_and_patch.bat b/contrib/src/nettle/fetch_and_patch.bat
index 697a13d4beef4ce988d4aab4a0634c9be46c9c32..e3414e4c8a71ee68ff943c351e8e49863ed89741 100644
--- a/contrib/src/nettle/fetch_and_patch.bat
+++ b/contrib/src/nettle/fetch_and_patch.bat
@@ -1,6 +1,6 @@
 set BUILD=%SRC%..\build
 
-set NETTLE_VERSION=nettle_3.3_release_20161001
+set NETTLE_VERSION=4e0b2723b76d4163fa37b2b456d41534154ec97c
 set NETTLE_URL=https://github.com/ShiftMediaProject/nettle/archive/%NETTLE_VERSION%.tar.gz
 
 mkdir %BUILD%