diff --git a/.travis.yml b/.travis.yml
index 80122993335..f0da284b147 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,19 +1,12 @@
 sudo: required
 language: php
 
-php:
-  - 7.1
-  - 7.2
-
 services:
   - mysql
   - docker
   - postgresql
 
 env:
-  matrix:
-    - DB=mysql
-    - DB=postgres
   global:
     - SAUCELABS=1
 
@@ -24,10 +17,15 @@ matrix:
         - DB=mysql
         - SELENIUM=1
         - COVERAGE=1
-  exclude:
-    - php: 7.1
-      env: DB=mysql
+    - php: 7.0
+      env:
+        - DB=mysql
+        - SELENIUM=1
     - php: 7.2
+      env:
+        - DB=mysql
+        - SELENIUM=1
+    - php: 7.1
       env: DB=postgres
   allow_failures:
     - php: 7.2
@@ -58,14 +56,14 @@ before_install:
 
 install:
   # Get packages without require-dev
-  - travis_retry composer install --no-interaction --prefer-dist --no-suggest --no-dev
+  - travis_retry composer install --no-interaction --prefer-dist --no-suggest --ignore-platform-reqs --no-dev
   # Build js and css assets
   - npm install
   - npm run production
   # Create dist file before running composer install with dev dependencies
   - make dist
   # Get packages with require-dev
-  - travis_retry composer install --no-interaction --prefer-dist --no-suggest
+  - travis_retry composer install --no-interaction --prefer-dist --no-suggest --ignore-platform-reqs
 
 before_script:
   - bash -c "if [[ \"$SELENIUM\" == \"1\" && \"$SAUCELABS\" != \"1\" ]]; then google-chrome-stable --headless --disable-gpu --remote-debugging-port=9222 http://localhost; fi" &
diff --git a/.travis.yml.sig b/.travis.yml.sig
index e3376b8b31c..eca6565223a 100644
Binary files a/.travis.yml.sig and b/.travis.yml.sig differ
diff --git a/app/Http/Controllers/Settings/MultiFAController.php b/app/Http/Controllers/Settings/MultiFAController.php
index eb16866855d..dc9c51e5a30 100644
--- a/app/Http/Controllers/Settings/MultiFAController.php
+++ b/app/Http/Controllers/Settings/MultiFAController.php
@@ -17,7 +17,7 @@ class MultiFAController extends Controller
     /**
      * Session var name to store secret code.
      */
-    private const SESSION_TFA_SECRET = '2FA_secret';
+    private $SESSION_TFA_SECRET = '2FA_secret';
 
     /**
      * Create a new authentication controller instance.
@@ -48,7 +48,7 @@ public function enableTwoFactor(Request $request)
             200
         );
 
-        $request->session()->put(self::SESSION_TFA_SECRET, $secret);
+        $request->session()->put($this->SESSION_TFA_SECRET, $secret);
 
         return view('settings.security.2fa-enable', ['image' => $imageDataUri, 'secret' => $secret]);
     }
@@ -64,7 +64,7 @@ public function validateTwoFactor(Request $request)
         ]);
 
         //retrieve secret
-        $secret = $request->session()->pull(self::SESSION_TFA_SECRET);
+        $secret = $request->session()->pull($this->SESSION_TFA_SECRET);
 
         $authenticator = app(Authenticator::class)->boot($request);