diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1b7fc6b..65a0852 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -22,6 +22,8 @@ jobs:
           - '7.1'
           - '7.0'
         phpunit-version:
+          - '10.3.0'
+          - '10.2.0'
           - '10.1.0'
           - '10.0.0'
           - '9.6.0'
@@ -143,6 +145,10 @@ jobs:
             phpunit-version: '6.0.0'
 
           # PHP 8.0 Exclusions
+          - php-version: '8.0'
+            phpunit-version: '10.3.0'
+          - php-version: '8.0'
+            phpunit-version: '10.2.0'
           - php-version: '8.0'
             phpunit-version: '10.1.0'
           - php-version: '8.0'
@@ -189,6 +195,10 @@ jobs:
             phpunit-version: '6.0.0'
             
           # PHP 7.4 Exclusions
+          - php-version: '7.4'
+            phpunit-version: '10.3.0'
+          - php-version: '7.4'
+            phpunit-version: '10.2.0'
           - php-version: '7.4'
             phpunit-version: '10.1.0'
           - php-version: '7.4'
@@ -221,12 +231,20 @@ jobs:
             phpunit-version: '6.0.0'
 
           # PHP 7.3 Exclusions
+          - php-version: '7.3'
+            phpunit-version: '10.3.0'
+          - php-version: '7.3'
+            phpunit-version: '10.2.0'
           - php-version: '7.3'
             phpunit-version: '10.1.0'
           - php-version: '7.3'
             phpunit-version: '10.0.0'
           
           # PHP 7.2 Exclusions
+          - php-version: '7.2'
+            phpunit-version: '10.3.0'
+          - php-version: '7.2'
+            phpunit-version: '10.2.0'
           - php-version: '7.2'
             phpunit-version: '10.1.0'
           - php-version: '7.2'
@@ -247,6 +265,10 @@ jobs:
             phpunit-version: '9.0.0'
           
           # PHP 7.1 Exclusions
+          - php-version: '7.1'
+            phpunit-version: '10.3.0'
+          - php-version: '7.1'
+            phpunit-version: '10.2.0'
           - php-version: '7.1'
             phpunit-version: '10.1.0'
           - php-version: '7.1'
@@ -279,6 +301,10 @@ jobs:
             phpunit-version: '8.0.0'
       
           # PHP 7.0 Exclusions
+          - php-version: '7.0'
+            phpunit-version: '10.3.0'
+          - php-version: '7.0'
+            phpunit-version: '10.2.0'
           - php-version: '7.0'
             phpunit-version: '10.1.0'
           - php-version: '7.0'
diff --git a/classes/DefaultArgumentRemoverReturnTypes100.php b/classes/DefaultArgumentRemoverReturnTypes100.php
index 41fdcba..f0a1007 100644
--- a/classes/DefaultArgumentRemoverReturnTypes100.php
+++ b/classes/DefaultArgumentRemoverReturnTypes100.php
@@ -38,7 +38,7 @@ public function matches(Invocation $invocation) : bool
                 $iClass ? Invocation::class : Invocation\StaticInvocation::class
             );
         } else {
-            MockFunctionGenerator::removeDefaultArguments($invocation->parameters);
+            MockFunctionGenerator::removeDefaultArguments($invocation->parameters());
         }
 
         return false;
@@ -73,7 +73,7 @@ public function toString() : string
     private function removeDefaultArguments(Invocation $invocation, string $class)
     {
         $remover = function () {
-            MockFunctionGenerator::removeDefaultArguments($this->parameters);
+            MockFunctionGenerator::removeDefaultArguments($this->parameters());
         };
 
         $remover->bindTo($invocation, $class)();