diff --git a/src/Rules/PHPUnit/AssertEqualsIsDiscouragedRule.php b/src/Rules/PHPUnit/AssertEqualsIsDiscouragedRule.php
index 7aea39a..f4fc89c 100644
--- a/src/Rules/PHPUnit/AssertEqualsIsDiscouragedRule.php
+++ b/src/Rules/PHPUnit/AssertEqualsIsDiscouragedRule.php
@@ -10,6 +10,7 @@
 use PHPStan\Type\GeneralizePrecision;
 use PHPStan\Type\TypeCombinator;
 use function count;
+use function in_array;
 use function strtolower;
 
 /**
@@ -32,7 +33,10 @@ public function processNode(Node $node, Scope $scope): array
 		if (count($node->getArgs()) < 2) {
 			return [];
 		}
-		if (!$node->name instanceof Node\Identifier || strtolower($node->name->name) !== 'assertequals') {
+		if (
+			!$node->name instanceof Node\Identifier
+			|| !in_array(strtolower($node->name->name), ['assertequals', 'assertnotequals'], true)
+		) {
 			return [];
 		}
 
diff --git a/tests/Rules/PHPUnit/AssertEqualsIsDiscouragedRuleTest.php b/tests/Rules/PHPUnit/AssertEqualsIsDiscouragedRuleTest.php
index e739ee4..f1d34d0 100644
--- a/tests/Rules/PHPUnit/AssertEqualsIsDiscouragedRuleTest.php
+++ b/tests/Rules/PHPUnit/AssertEqualsIsDiscouragedRuleTest.php
@@ -27,6 +27,9 @@ public function testRule(): void
 			[self::ERROR_MESSAGE, 29],
 			[self::ERROR_MESSAGE, 30],
 			[self::ERROR_MESSAGE, 32],
+			[self::ERROR_MESSAGE, 37],
+			[self::ERROR_MESSAGE, 38],
+			[self::ERROR_MESSAGE, 39],
 		]);
 	}
 
diff --git a/tests/Rules/PHPUnit/data/assert-equals-is-discouraged.php b/tests/Rules/PHPUnit/data/assert-equals-is-discouraged.php
index 727408d..7f4d80e 100644
--- a/tests/Rules/PHPUnit/data/assert-equals-is-discouraged.php
+++ b/tests/Rules/PHPUnit/data/assert-equals-is-discouraged.php
@@ -33,5 +33,11 @@ public function dummyTest(string $string, int $integer,	bool $boolean, float $fl
 		$this->assertEquals([], []);
 		$this->assertEquals(new Exception(), new Exception());
 		static::assertEquals(new Exception(), new Exception());
+
+		$this->assertNotEquals($string, $string);
+		$this->assertNotEquals($integer, $integer);
+		$this->assertNotEquals($boolean, $boolean);
+		$this->assertNotSame(5, $integer);
+		static::assertNotSame(5, $integer);
 	}
 }