diff --git a/.gitignore b/.gitignore
index ccbc0bd..b04b144 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,4 @@
 /libwebsockets-4.0.10.tar.gz
 /libwebsockets-4.0.12.tar.gz
 /libwebsockets-4.0.19.tar.gz
+/libwebsockets-4.0.20.tar.gz
diff --git a/libwebsockets.spec b/libwebsockets.spec
index d75278a..f6be2ee 100644
--- a/libwebsockets.spec
+++ b/libwebsockets.spec
@@ -6,7 +6,7 @@
 %endif
 
 Name:           libwebsockets
-Version:        4.0.19
+Version:        4.0.20
 Release:        1%{?dist}
 Summary:        Lightweight C library for Websockets
 
@@ -112,6 +112,9 @@ find %{buildroot} -name '*_static.pc' -delete
 %{_libdir}/pkgconfig/%{name}.pc
 
 %changelog
+* Wed Jul 15 2020 Fabian Affolter <mail@fabian-affolter.ch> - 4.0.20-1
+- Update to latest upstream release 4.0.20 (rhbz#1855481)
+
 * Sun Jun 21 2020 Fabian Affolter <mail@fabian-affolter.ch> - 4.0.19-1
 - Update to latest upstream release 4.0.19 (rhbz#1829592)
 
diff --git a/sources b/sources
index 7df35a0..eff1ce6 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libwebsockets-4.0.19.tar.gz) = 2cf36f0aa468bbb14a654678b804adc6a6b1dd0f47348c50716dfa64868dfeeb53232a3fbc609c4a2055f88e294b73564d9f31d4d417f760721201c67b98dc66
+SHA512 (libwebsockets-4.0.20.tar.gz) = b2ab19623557b67abf157aed0317fb2305304e72c7e40c202c0bc855a499bbef64978e9187adcfdd2ef251497144db4a9fbaebaf37a320c7190720e9d194b67a