diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index 85383d0..563dd6b 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -1726,6 +1726,8 @@
       return createCXString("attribute(ibaction)");
   case CXCursor_IBOutletAttr:
      return createCXString("attribute(iboutlet)");
+  case CXCursor_IBOutletCollectionAttr:
+      return createCXString("attribute(iboutletcollection)");
   case CXCursor_PreprocessingDirective:
     return createCXString("preprocessing directive");
   case CXCursor_MacroDefinition: