diff --git a/HTMLKit/HTMLTokenizer.h b/HTMLKit/HTMLTokenizer.h
index a4d29a7..c2c82dc 100644
--- a/HTMLKit/HTMLTokenizer.h
+++ b/HTMLKit/HTMLTokenizer.h
@@ -14,7 +14,7 @@
  * HTML Tokenizer
  * https://html.spec.whatwg.org/multipage/syntax.html#tokenization
  */
-@interface HTMLTokenizer : NSObject
+@interface HTMLTokenizer : NSObject <NSFastEnumeration>
 
 @property (nonatomic, assign) HTMLTokenizerState state;
 
diff --git a/HTMLKit/HTMLTokenizer.m b/HTMLKit/HTMLTokenizer.m
index ba564a9..ef41dad 100644
--- a/HTMLKit/HTMLTokenizer.m
+++ b/HTMLKit/HTMLTokenizer.m
@@ -125,6 +125,27 @@
 	[self switchToState:state];
 }
 
+#pragma mark - Fast Enumeration
+
+- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(__unsafe_unretained id [])buffer count:(NSUInteger)len
+{
+	if (state->state == 0) {
+		state->mutationsPtr = &state->extra[0];
+		state->state = 1;
+	}
+
+	HTMLToken *nextToken = [self nextToken];
+
+	if (nextToken == nil) {
+		return 0;
+	}
+
+	__unsafe_unretained const id *const_ptr = (__unsafe_unretained id *)(__bridge void *)nextToken;
+	state->itemsPtr = (__typeof__(state->itemsPtr))const_ptr;
+
+	return 1;
+}
+
 #pragma mark - Emits
 
 - (void)emitToken:(HTMLToken *)token