diff --git a/.travis.yml b/.travis.yml
index c9136a7..c003ae8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -58,11 +58,10 @@ script:
 
 jobs:
   fast_finish: true
-  allow_failures:
-    - env: COVERAGE_VERSIONS="^5.0 ^6.0 ^7.0"
-    - env: COVERAGE_VERSIONS="^5.0 ^6.0"
-    - env: COVERAGE_VERSIONS="^5.0"
   include:
+    - stage: test
+      php: 7.4
+      env: COVERAGE_VERSIONS="~8.0.0"
     - stage: test
       php: 7.4
       env: COVERAGE_VERSIONS="~7.0.0"
@@ -74,7 +73,10 @@ jobs:
       env: COVERAGE_VERSIONS="~5.0.0 ~5.1.0 ~5.2.0 ~5.3.0"
     - stage: test
       php: 7.4
-      env: COVERAGE_VERSIONS="^5.0 ^6.0 ^7.0"
+      env: COVERAGE_VERSIONS="^5.0 ^6.0 ^7.0 ^8.0"
+    - stage: test
+      php: 7.3
+      env: COVERAGE_VERSIONS="~8.0.0"
     - stage: test
       php: 7.3
       env: COVERAGE_VERSIONS="~7.0.0"
@@ -86,7 +88,7 @@ jobs:
       env: COVERAGE_VERSIONS="~5.0.0 ~5.1.0 ~5.2.0 ~5.3.0"
     - stage: test
       php: 7.3
-      env: COVERAGE_VERSIONS="^5.0 ^6.0 ^7.0"
+      env: COVERAGE_VERSIONS="^5.0 ^6.0 ^7.0 ^8.0"
     - stage: test
       php: 7.2
       env: COVERAGE_VERSIONS="~7.0.0"
@@ -118,7 +120,7 @@ jobs:
     - stage: ✔ with sonarqube scanner
       if: type = push AND branch IN (master, pre-merge) AND env(SONAR_TOKEN) IS present AND fork = false
       php: 7.2
-      env: COVERAGE_VERSIONS="~5.0.0 ~5.1.0 ~5.2.0 ~5.3.0 ~6.0.0 ~6.1.0 ~7.0.0"
+      env: COVERAGE_VERSIONS="~5.0.0 ~5.1.0 ~5.2.0 ~5.3.0 ~6.0.0 ~6.1.0 ~7.0.0 ~8.0.0"
       before_install:
       before_script:
       script:
diff --git a/composer.json b/composer.json
index 2160f1c..e225b0c 100644
--- a/composer.json
+++ b/composer.json
@@ -30,12 +30,12 @@
         "ext-dom": "*",
         "ext-json": "*",
         "ext-simplexml": "*",
-        "phpunit/php-code-coverage": ">=5.0 <8.0",
+        "phpunit/php-code-coverage": ">=5.0 <9.0",
         "symfony/console": ">=2.7 <6.0",
         "symfony/finder": ">=2.7 <6.0"
     },
     "require-dev": {
-        "phpunit/phpunit": ">=6.0 <9.0",
+        "phpunit/phpunit": ">=6.0 <10.0",
         "symfony/filesystem": ">=2.7 <6.0"
     },
     "suggest": {