diff --git a/.scrutinizer.yml b/.scrutinizer.yml
index 611d2d4..ea188c2 100644
--- a/.scrutinizer.yml
+++ b/.scrutinizer.yml
@@ -5,7 +5,7 @@ checks:
     php: true
 tools:
     external_code_coverage:
-        runs: 3
+        runs: 5
     php_code_sniffer:
         config:
             standard: "PSR2"
\ No newline at end of file
diff --git a/.travis.before_script b/.travis.before_script
new file mode 100755
index 0000000..9f0e255
--- /dev/null
+++ b/.travis.before_script
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+set -eux
+
+if [[ "$TRAVIS_PHP_VERSION" =~ ^5.6|7.0$ ]]; then
+    # PHP 5.6 and 7.0 are not compatible with the development dependency `phpbench/phpbench`
+    sed -i 's/.*phpbench\/phpbench.*//g' composer.json
+fi
+
+composer install --prefer-source
diff --git a/.travis.yml b/.travis.yml
index f500bda..56645fa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,8 @@ php:
   - '5.6'
   - '7.0'
   - '7.1'
+  - '7.2'
+  - '7.3'
   - hhvm
   - nightly
 
@@ -18,7 +20,7 @@ cache:
 
 before_script:
   - composer self-update
-  - composer install --prefer-source
+  - ./.travis.before_script
 
 script: ./vendor/bin/phpunit
 
@@ -28,4 +30,4 @@ after_script:
       php ocular.phar code-coverage:upload --format=php-clover build/coverage.xml;
     fi
 
-sudo: false
\ No newline at end of file
+sudo: false