diff --git a/1.2/HalPolicy.hpp b/1.2/HalPolicy.hpp
index e3d3970..c7e1d4b 100644
--- a/1.2/HalPolicy.hpp
+++ b/1.2/HalPolicy.hpp
@@ -49,6 +49,8 @@
 
     static bool ConvertDiv(const Operation& operation, const Model& model, ConversionData& data);
 
+    static bool ConvertExpandDims(const Operation& operation, const Model& model, ConversionData& data);
+
     static bool ConvertFloor(const Operation& operation, const Model& model, ConversionData& data);
 
     static bool ConvertFullyConnected(const Operation& operation, const Model& model, ConversionData& data);