diff --git a/plugins/clang/duchain/builder.cpp b/plugins/clang/duchain/builder.cpp
--- a/plugins/clang/duchain/builder.cpp
+++ b/plugins/clang/duchain/builder.cpp
@@ -606,7 +606,15 @@
         return t;
     }
 
-    template<CXTypeKind TK, EnableIf<TK == CXType_Vector || TK == CXType_Complex> = dummy>
+    static constexpr bool IsCXType_ExtVector(const CXTypeKind tk) {
+#if CINDEX_VERSION_MINOR >= 55
+        return tk == CXType_ExtVector;
+#else
+        return false;
+#endif
+    }
+
+    template<CXTypeKind TK, EnableIf<TK == CXType_Vector || TK == CXType_Complex || IsCXType_ExtVector(TK)> = dummy>
     AbstractType *createType(CXType type, CXCursor /*parent*/)
     {
         return createDelayedType(type);
@@ -1360,6 +1368,9 @@
     UseKind(CXType_Float128);
 #endif
     UseKind(CXType_Complex);
+#if CINDEX_VERSION_MINOR >= 55
+    UseKind(CXType_ExtVector);
+#endif
     case CXType_Invalid:
         return nullptr;
     default: