diff --git a/.gitignore b/.gitignore
index acc1519..b8580ee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -103,3 +103,5 @@ gnutls-2.10.1-nosrp.tar.bz2
 /gpgkey-1F42418905D8206AA754CCDC29EE58B996865171.gpg
 /gnutls-3.6.5.tar.xz.sig
 /gnutls-3.6.5.tar.xz
+/gnutls-3.6.6.tar.xz
+/gnutls-3.6.6.tar.xz.sig
diff --git a/gnutls-3.6.6-use-old-guile.patch b/gnutls-3.6.6-use-old-guile.patch
new file mode 100644
index 0000000..a434910
--- /dev/null
+++ b/gnutls-3.6.6-use-old-guile.patch
@@ -0,0 +1,12 @@
+diff --git a/configure.ac b/configure.ac
+index ea6f39c53..7568363ef 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -859,6 +859,7 @@ if test "$opt_guile_bindings" = "yes"; then
+       AC_PATH_PROG([GUILD], [guild])
+       AC_SUBST([GUILD])
+ 
++      GUILE_PKG
+       GUILE_PROGS
+       GUILE_FLAGS
+ 
diff --git a/gnutls.spec b/gnutls.spec
index 0cd7b63..9914a4a 100644
--- a/gnutls.spec
+++ b/gnutls.spec
@@ -1,8 +1,9 @@
 # This spec file has been automatically updated
-Version:	3.6.5
-Release: 3%{?dist}
+Version:	3.6.6
+Release: 1%{?dist}
 Patch1:	gnutls-3.2.7-rpath.patch
 Patch2:	gnutls-3.6.4-no-now-guile.patch
+Patch3: gnutls-3.6.6-use-old-guile.patch
 %bcond_without dane
 %if 0%{?rhel}
 %bcond_with guile
@@ -143,6 +144,7 @@ This package contains Guile bindings for the library.
 gpgv2 --keyring %{SOURCE2} %{SOURCE1} %{SOURCE0}
 
 %autosetup -p1
+autoreconf
 
 sed -i -e 's|sys_lib_dlsearch_path_spec="/lib /usr/lib|sys_lib_dlsearch_path_spec="/lib /usr/lib %{_libdir}|g' configure
 rm -f lib/minitasn1/*.c lib/minitasn1/*.h
@@ -269,6 +271,9 @@ make check %{?_smp_mflags}
 %endif
 
 %changelog
+* Fri Feb  1 2019 Nikos Mavrogiannopoulos <nmav@redhat.com> - 3.6.6-1
+- Update to upstream 3.6.6 release
+
 * Thu Jan 31 2019 Fedora Release Engineering <releng@fedoraproject.org> - 3.6.5-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
 
diff --git a/sources b/sources
index 13911c8..8d4e08c 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
+SHA512 (gnutls-3.6.6.tar.xz) = 4ff34f38d7dc543bc5750d8fdfe9be84af60c66e8d41da45f6cffc11d6c6c726784fd2d471b3416604ca1f3f9efb22ff7a290d5c92c96deda38df6ae3e794cc1
+SHA512 (gnutls-3.6.6.tar.xz.sig) = 7fb484a62775804dfd7b200b4a55cb07406e91a52c2c90fb779777b757b87c8ce7df0fa92dc7639891bca68eba5d2a66580c2a1734f8b884b9f5254e2e5e3012
 SHA512 (gpgkey-1F42418905D8206AA754CCDC29EE58B996865171.gpg) = 3b1989dc6a64d1140f83a2af0773da2adb03c50d97b6da7357cf09525050651aafa21131f1e3180baa540a8af922119a256f5ff5bcd6602996a806e8e1816bad
-SHA512 (gnutls-3.6.5.tar.xz.sig) = 91c51442dd661bf827e7547ab88c61fb4c6683d9f90f3df7e6bab3f1b7218b69126702cfbe12d26647b477bda0746e2cfd6e5a3c10899860a42314a8a8ac15d5
-SHA512 (gnutls-3.6.5.tar.xz) = 127f053ce45c63cd745fa5a654a2d8e4fbc322f5e17dcc3740fb2e7b376dd18dad59318d66e6e93e37d6a179fca4b35cf2ae62d13be5645cd2d06badd79d4dce