diff --git a/src/HtmlMin.php b/src/HtmlMin.php
index 575eb10..1e71682 100644
--- a/src/HtmlMin.php
+++ b/src/HtmlMin.php
@@ -67,7 +67,7 @@ protected function doctypeNotFound(string $html): bool
 
     protected function removeHtmlComments(string $html): string
     {
-        return (string)preg_replace('~<!--[^]><!\[](?!Livewire)(.*?)[^]]-->~s', '', $html);
+        return (string)preg_replace('~<!--[^]><!\[](?!Livewire|ko |/ko)(.*?)[^]]-->~s', '', $html);
     }
 
     protected function trimScriptElements(string $html): string
diff --git a/tests/HtmlMinTest.php b/tests/HtmlMinTest.php
index 376a6e5..e0bd419 100644
--- a/tests/HtmlMinTest.php
+++ b/tests/HtmlMinTest.php
@@ -94,6 +94,20 @@ public function testLivewire(): void
         $this->assertEquals($expected, $this->htmlMin->minify($html));
     }
 
+    public function testKnockout(): void
+    {
+        $html = "<div>
+        <!-- ko if: true -->
+            <span>First item</span>
+        <!-- /ko -->
+
+        <!-- ko template: getTemplate() --><!-- /ko -->
+
+        </div>";
+        $expected = "<div><!-- ko if: true --><span>First item</span><!-- /ko --><!-- ko template: getTemplate() --><!-- /ko --></div>";
+        $this->assertEquals($expected, $this->htmlMin->minify($html));
+    }
+
     public function testStyleTag(): void
     {
         $html = "<style>