diff --git a/.travis.yml b/.travis.yml
index 37e46af..65902bb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ env:
   - LIBWEBSOCKETS_VERSION=2.1.1
   - LIBWEBSOCKETS_VERSION=2.2.2
   - LIBWEBSOCKETS_VERSION=2.3.0
-  - LIBWEBSOCKETS_VERSION=2.4.1
+  - LIBWEBSOCKETS_VERSION=2.4.2
 branches:
   only:
     - master