diff --git a/.travis.yml b/.travis.yml
index 9e0723c..6330887 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ dist: trusty
 php:
   - 7.1
   - 7.2
+  - 7.3
   - nightly
 
 sudo: false
diff --git a/README.md b/README.md
index d380896..75627fe 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ A RaspberryPi GPIO library written in PHP, This library makes it a breeze to wor
 
 * PHP >= 7.1.0
 
-This library is unit tested against PHP 7.1, 7.2 and the bleeding edge (nightly build)!
+This library is unit tested against PHP 7.1, 7.2, 7.3 and the bleeding edge (nightly build)!
 
 License
 -------