diff --git a/.travis.yml b/.travis.yml
index c1323b0..dd5a58a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,32 +8,27 @@ env:
     - REQUIRE_RECIPE_TESTING="^2"
     - REQUIRE_FRAMEWORKTEST="^0.4.2"
     # vfsstream is a dev dependency of the assets module
-    - REQUIRE_EXTRA="mikey179/vfsstream:^1.6"
+    - REQUIRE_EXTRA="mikey179/vfsstream:^1.6.10"
 
 matrix:
   fast_finish: true
   include:
     # Core php tests
-    - php: 7.3
+    - php: 7.4
       env:
         - DB=MYSQL
         - PHPUNIT_TEST=1
         - PHPUNIT_SUITE="core"
         - PDO=1
         - COMPOSER_INSTALL_ARG="--prefer-lowest"
-    - php: 7.3
+    - php: 7.4
       env:
         - DB=MYSQL
         - PHPUNIT_TEST=1
         - PHPUNIT_SUITE="framework"
-    - php: 7.3
-      env:
-        - DB=PGSQL
-        - PHPUNIT_TEST=1
-        - PHPUNIT_SUITE="core"
     - php: 7.4
       env:
-        - DB=MYSQL
+        - DB=PGSQL
         - PHPUNIT_TEST=1
         - PHPUNIT_SUITE="core"
     - php: 8.0
@@ -41,23 +36,22 @@ matrix:
         - DB=MYSQL
         - PHPUNIT_TEST=1
         - PHPUNIT_SUITE="core"
-        - COMPOSER_INSTALL_ARG="--ignore-platform-reqs"
+    - php: 8.1.0
+      env:
+        - DB=MYSQL
+        - PHPUNIT_TEST=1
+        - PHPUNIT_SUITE="core"
     # admin php tests
-    - php: 7.3
+    - php: 7.4
       env:
         - DB=MYSQL
         - PHPUNIT_TEST=1
         - PHPUNIT_SUITE="admin"
         - PDO=1
         - COMPOSER_INSTALL_ARG="--prefer-lowest"
-    - php: 7.3
-      env:
-        - DB=PGSQL
-        - PHPUNIT_TEST=1
-        - PHPUNIT_SUITE="admin"
     - php: 7.4
       env:
-        - DB=MYSQL
+        - DB=PGSQL
         - PHPUNIT_TEST=1
         - PHPUNIT_SUITE="admin"
     - php: 8.0
@@ -65,14 +59,18 @@ matrix:
         - DB=MYSQL
         - PHPUNIT_TEST=1
         - PHPUNIT_SUITE="admin"
-        - COMPOSER_INSTALL_ARG="--ignore-platform-reqs"
+    - php: 8.1.0
+      env:
+        - DB=MYSQL
+        - PHPUNIT_TEST=1
+        - PHPUNIT_SUITE="admin"
     # behat tests
-    - php: 7.3
+    - php: 7.4
       env:
         - DB=MYSQL
         - BEHAT_TEST=1
         - BEHAT_SUITE="admin"
-    - php: 7.3
+    - php: 7.4
       env:
         - DB=MYSQL
         - BEHAT_TEST=1
@@ -82,3 +80,5 @@ matrix:
         - DB=MYSQL
         - BEHAT_TEST=1
         - BEHAT_SUITE="asset-admin"
+  allow_failures:
+    - php: 8.1.0
diff --git a/composer.json b/composer.json
index d1ac07c..b6ef1b4 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "type": "silverstripe-recipe",
     "description": "The SilverStripe Framework Installer",
     "require": {
-        "php": "^7.3 || ^8.0",
+        "php": "^7.4 || ^8.0",
         "silverstripe/recipe-plugin": "^1.2",
         "silverstripe/recipe-cms": "4.x-dev",
         "silverstripe-themes/simple": "~3.2.0",