diff --git a/SQLClient.h b/SQLClient.h
index fb0042b..ffe8bec 100644
--- a/SQLClient.h
+++ b/SQLClient.h
@@ -186,6 +186,7 @@
 @class	GSCache;
 @class	NSData;
 @class	NSDate;
+@class	NSMutableDictionary;
 @class	NSMutableSet;
 @class	NSRecursiveLock;
 @class	NSString;