diff --git a/.travis.yml b/.travis.yml
index 6cfac10..8e807c0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,11 +13,11 @@ env:
 matrix:
   include:
     - php: 7.1
-      env: DB=MYSQL RECIPE_VERSION=4.2.x-dev PHPCS_TEST=1 PHPUNIT_TEST=1
+      env: DB=MYSQL RECIPE_VERSION=4.5.x-dev PHPUNIT_TEST=1 PHPCS_TEST=1 PDO=1
     - php: 7.2
-      env: DB=PGSQL RECIPE_VERSION=4.2.x-dev PHPUNIT_TEST=1
+      env: DB=PGSQL RECIPE_VERSION=4.6.x-dev PHPUNIT_COVERAGE_TEST=1
     - php: 7.3
-      env: DB=MYSQL RECIPE_VERSION=4.3.x-dev PHPUNIT_COVERAGE_TEST=1
+      env: DB=MYSQL RECIPE_VERSION=4.6.x-dev PHPUNIT_TEST=1
     - php: 7.4
       env: DB=MYSQL RECIPE_VERSION=4.x-dev PHPUNIT_TEST=1
 
@@ -26,8 +26,10 @@ before_script:
   - phpenv config-rm xdebug.ini
 
   - composer validate
-  - composer require --no-update silverstripe/recipe-core:"$RECIPE_VERSION"
-  - if [[ $DB == PGSQL ]]; then composer require --no-update silverstripe/postgresql:2.x-dev; fi
+  - composer require --no-update silverstripe/recipe-core:$RECIPE_VERSION
+  # Fix for running phpunit 5 on php 7.4+
+  - composer require --no-update sminnee/phpunit-mock-objects:^3
+  - if [[ $DB == PGSQL ]]; then composer require --no-update silverstripe/postgresql:^2; fi
   - composer install --prefer-dist --no-interaction --no-progress --no-suggest --optimize-autoloader --verbose --profile
 
 script: