diff --git a/extension.neon b/extension.neon
index cea2b15..8de21f5 100644
--- a/extension.neon
+++ b/extension.neon
@@ -9,6 +9,9 @@ parameters:
 			- markTestIncomplete
 			- markTestSkipped
 	stubFiles:
+		- stubs/Assert.stub
+		- stubs/AssertionFailedError.stub
+		- stubs/ExpectationFailedException.stub
 		- stubs/InvocationMocker.stub
 		- stubs/MockBuilder.stub
 		- stubs/MockObject.stub
diff --git a/stubs/Assert.stub b/stubs/Assert.stub
new file mode 100644
index 0000000..01df95a
--- /dev/null
+++ b/stubs/Assert.stub
@@ -0,0 +1,13 @@
+<?php
+
+namespace PHPUnit\Framework;
+
+abstract class Assert
+{
+    /**
+     * @phpstan-assert list $array
+     *
+     * @throws ExpectationFailedException
+     */
+    final public static function assertIsList(mixed $array, string $message = ''): void {}
+}
diff --git a/stubs/AssertionFailedError.stub b/stubs/AssertionFailedError.stub
new file mode 100644
index 0000000..4ece2a7
--- /dev/null
+++ b/stubs/AssertionFailedError.stub
@@ -0,0 +1,8 @@
+<?php
+
+namespace PHPUnit\Framework;
+
+class AssertionFailedError extends \Exception
+{
+
+}
diff --git a/stubs/ExpectationFailedException.stub b/stubs/ExpectationFailedException.stub
new file mode 100644
index 0000000..f7e3bd8
--- /dev/null
+++ b/stubs/ExpectationFailedException.stub
@@ -0,0 +1,8 @@
+<?php
+
+namespace PHPUnit\Framework;
+
+final class ExpectationFailedException extends AssertionFailedError
+{
+
+}