diff --git a/0001-nghttp2-1.13.0-armv7hl-sigsegv.patch b/0001-nghttp2-1.13.0-armv7hl-sigsegv.patch
index 7b02a76..aa8f4d4 100644
--- a/0001-nghttp2-1.13.0-armv7hl-sigsegv.patch
+++ b/0001-nghttp2-1.13.0-armv7hl-sigsegv.patch
@@ -42,7 +42,7 @@ diff --git a/src/shrpx_client_handler.h b/src/shrpx_client_handler.h
 index bdfdafd..08f42b3 100644
 --- a/src/shrpx_client_handler.h
 +++ b/src/shrpx_client_handler.h
-@@ -183,8 +183,10 @@ private:
+@@ -185,8 +185,10 @@ private:
    StringRef forwarded_for_;
    // lowercased TLS SNI which client sent.
    StringRef sni_;
@@ -59,7 +59,7 @@ diff --git a/src/shrpx_http_downstream_connection.cc b/src/shrpx_http_downstream
 index 077844c..8a38788 100644
 --- a/src/shrpx_http_downstream_connection.cc
 +++ b/src/shrpx_http_downstream_connection.cc
-@@ -1240,13 +1240,13 @@ int HttpDownstreamConnection::connected() {
+@@ -1426,13 +1426,13 @@ int HttpDownstreamConnection::connected() {
    return 0;
  }
  
@@ -80,7 +80,7 @@ diff --git a/src/shrpx_http_downstream_connection.h b/src/shrpx_http_downstream_
 index 8fad535..0ab430c 100644
 --- a/src/shrpx_http_downstream_connection.h
 +++ b/src/shrpx_http_downstream_connection.h
-@@ -84,8 +84,9 @@ public:
+@@ -91,8 +91,9 @@ public:
  
  private:
    Connection conn_;
diff --git a/nghttp2.spec b/nghttp2.spec
index cc1c864..e6bb5dd 100644
--- a/nghttp2.spec
+++ b/nghttp2.spec
@@ -1,6 +1,6 @@
 Summary: Experimental HTTP/2 client, server and proxy
 Name: nghttp2
-Version: 1.17.0
+Version: 1.18.0
 Release: 1%{?dist}
 License: MIT
 Group: Applications/Internet
@@ -11,6 +11,7 @@ Source0: https://github.com/tatsuhiro-t/nghttp2/releases/download/v%{version}/ng
 Patch1:  0001-nghttp2-1.13.0-armv7hl-sigsegv.patch
 
 BuildRequires: CUnit-devel
+BuildRequires: c-ares-devel
 BuildRequires: libev-devel
 BuildRequires: openssl-devel
 BuildRequires: zlib-devel
@@ -105,6 +106,9 @@ make %{?_smp_mflags} check
 
 
 %changelog
+* Tue Dec 27 2016 Kamil Dudka <kdudka@redhat.com> 1.18.0-1
+- update to the latest upstream release (requires c-ares for apps)
+
 * Mon Nov 28 2016 Kamil Dudka <kdudka@redhat.com> 1.17.0-1
 - update to the latest upstream release
 
diff --git a/sources b/sources
index e5489f0..7552a5e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-6c8a757d0f3feacf7a6c3b1d6d3756ce  nghttp2-1.17.0.tar.xz
+SHA512 (nghttp2-1.18.0.tar.xz) = 97916e9da69c5465f3760dad6f1112fcee54668fa628b2c050df59e2d71ec419ec366af41cca15c60b1d6fe155b18aed635b685dc6e894613087871157136f3d