diff --git a/Userland/Libraries/LibTLS/CipherSuite.h b/Userland/Libraries/LibTLS/CipherSuite.h
index cd7a5d7581..3680cedf23 100644
--- a/Userland/Libraries/LibTLS/CipherSuite.h
+++ b/Userland/Libraries/LibTLS/CipherSuite.h
@@ -6,6 +6,8 @@
 
 #pragma once
 
+#include <AK/Types.h>
+
 namespace TLS {
 
 enum class CipherSuite {