diff --git a/.gitignore b/.gitignore
index 05856b8..d3f08c3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 /libwebsockets-2.2.0.tar.gz
 /libwebsockets-2.2.1.tar.gz
 /libwebsockets-2.3.0.tar.gz
+/libwebsockets-2.4.0.tar.gz
diff --git a/libwebsockets.spec b/libwebsockets.spec
index be1c3f1..5b270d0 100644
--- a/libwebsockets.spec
+++ b/libwebsockets.spec
@@ -1,6 +1,6 @@
 Name:           libwebsockets
-Version:        2.3.0
-Release:        2%{?dist}
+Version:        2.4.0
+Release:        1%{?dist}
 Summary:        A lightweight C library for Websockets
 
 # base64-decode.c and ssl-http2.c is under MIT license with FPC exception.
@@ -87,6 +87,9 @@ find %{buildroot} -name '*_static.pc' -exec rm -f {} ';'
 %{_datadir}/%{name}-test-server/
 
 %changelog
+* Fri Oct 20 2017 Fabian Affolter <mail@fabian-affolter.ch> - 2.4.0-1
+- Update to latest upstream release 2.4.0 (rhbz#1504377)
+
 * Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.3.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
 
diff --git a/sources b/sources
index 5f8b773..a61dbbb 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libwebsockets-2.3.0.tar.gz) = 28e11c49283fcfc0673e1f59e5fc523784fa953d71fbfc8afb40fe4a7041dc5fbc689a97c95eff5a1397a67d28b698245e49444413c83e637893767372c06e61
+SHA512 (libwebsockets-2.4.0.tar.gz) = 89ccc24b44e4f38f3b3918634dc5f2be78be1ea9fc1748064c8a54adae026c410bfc743caf9bbd304c312e34e624f5f8fb101d7b36052af9b94dbf309625ec0a