diff --git a/.travis.yml b/.travis.yml
index 63ac835..dd14932 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,7 @@ php:
   - 7.1
   - 7.2
   - 7.3
+  - 7.4
 matrix:
   include:
     - php: 7.1
@@ -18,6 +19,8 @@ matrix:
       env: COVERAGE="--coverage ./coverage.xml --coverage-src ./src" TESTER_RUNTIME="phpdbg"
     - php: 7.3
       env: COVERAGE="--coverage ./coverage.xml --coverage-src ./src" TESTER_RUNTIME="phpdbg"
+    - php: 7.4
+      env: COVERAGE="--coverage ./coverage.xml --coverage-src ./src" TESTER_RUNTIME="phpdbg"
   allow_failures:
     - php: 7.1
       env: COVERAGE="--coverage ./coverage.xml --coverage-src ./src" TESTER_RUNTIME="phpdbg"
@@ -25,6 +28,8 @@ matrix:
       env: COVERAGE="--coverage ./coverage.xml --coverage-src ./src" TESTER_RUNTIME="phpdbg"
     - php: 7.3
       env: COVERAGE="--coverage ./coverage.xml --coverage-src ./src" TESTER_RUNTIME="phpdbg"
+    - php: 7.4
+      env: COVERAGE="--coverage ./coverage.xml --coverage-src ./src" TESTER_RUNTIME="phpdbg"
 before_install:
   - travis_retry composer self-update