diff --git a/0001-ext-master-secret-extension-is-marked-as-mandatory.patch b/0001-ext-master-secret-extension-is-marked-as-mandatory.patch
new file mode 100644
index 0000000..3f8e454
--- /dev/null
+++ b/0001-ext-master-secret-extension-is-marked-as-mandatory.patch
@@ -0,0 +1,27 @@
+From 1b93f45fbd144cdf7095102bf6927c97019cf2e7 Mon Sep 17 00:00:00 2001
+From: Nikos Mavrogiannopoulos <nmav@redhat.com>
+Date: Tue, 20 Oct 2015 09:03:25 +0200
+Subject: [PATCH] ext master secret: extension is marked as mandatory
+
+This forces the extension to be sent even where resuming sessions.
+Resolves #45
+---
+ lib/ext/ext_master_secret.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/ext/ext_master_secret.c b/lib/ext/ext_master_secret.c
+index 9610f12..0d90347 100644
+--- a/lib/ext/ext_master_secret.c
++++ b/lib/ext/ext_master_secret.c
+@@ -38,7 +38,7 @@ static int _gnutls_ext_master_secret_send_params(gnutls_session_t session,
+ extension_entry_st ext_mod_ext_master_secret = {
+ 	.name = "EXT MASTER SECRET",
+ 	.type = GNUTLS_EXTENSION_EXT_MASTER_SECRET,
+-	.parse_type = GNUTLS_EXT_TLS,
++	.parse_type = GNUTLS_EXT_MANDATORY,
+ 
+ 	.recv_func = _gnutls_ext_master_secret_recv_params,
+ 	.send_func = _gnutls_ext_master_secret_send_params,
+-- 
+2.5.0
+
diff --git a/gnutls.spec b/gnutls.spec
index 1abb905..32d37d3 100644
--- a/gnutls.spec
+++ b/gnutls.spec
@@ -3,7 +3,7 @@
 Summary: A TLS protocol implementation
 Name: gnutls
 Version: 3.4.5
-Release: 1%{?dist}
+Release: 2%{?dist}
 # The libraries are LGPLv2.1+, utilities are GPLv3+
 License: GPLv3+ and LGPLv2+
 Group: System Environment/Libraries
@@ -37,6 +37,10 @@ Patch1: gnutls-3.2.7-rpath.patch
 Patch3: gnutls-3.1.11-nosrp.patch
 Patch4: gnutls-3.4.1-default-policy.patch
 Patch5: gnutls-3.4.2-no-now-guile.patch
+# RHBZ #1273102
+# https://gitlab.com/gnutls/gnutls/issues/45
+# https://gitlab.com/gnutls/gnutls/commit/1b93f45fbd144cdf7095102bf6927c97019cf2e7
+Patch6: 0001-ext-master-secret-extension-is-marked-as-mandatory.patch
 
 # Wildcard bundling exception https://fedorahosted.org/fpc/ticket/174
 Provides: bundled(gnulib) = 20130424
@@ -140,6 +144,7 @@ This package contains Guile bindings for the library.
 %patch3 -p1 -b .nosrp
 %patch4 -p1 -b .default-policy
 %patch5 -p1 -b .guile
+%patch6 -p1 -b .master-secret
 
 sed 's/gnutls_srp.c//g' -i lib/Makefile.in
 sed 's/gnutls_srp.lo//g' -i lib/Makefile.in
@@ -277,6 +282,9 @@ fi
 %endif
 
 %changelog
+* Tue Oct 20 2015 Adam Williamson <awilliam@redhat.com> - 3.4.5-2
+- fix interaction with Chrome 45+ (master secret extension) (#1273102)
+
 * Mon Sep 14 2015 Nikos Mavrogiannopoulos <nmav@redhat.com> 3.4.5-1
 - New upstream release (#1252192)
 - Eliminates hard limits on CRL parsing of certtool.