diff --git a/include/spirv/unified1/spirv.core.grammar.json b/include/spirv/unified1/spirv.core.grammar.json
index 4e9936b..93b63e1 100644
--- a/include/spirv/unified1/spirv.core.grammar.json
+++ b/include/spirv/unified1/spirv.core.grammar.json
@@ -11695,6 +11695,12 @@
           "version" : "None"
         },
         {
+          "enumerant" : "ArbitraryPrecisionIntegersINTEL",
+          "value" : 5844,
+          "extensions" : [ "SPV_INTEL_arbitrary_precision_integers" ],
+          "version" : "None"
+        },
+        {
           "enumerant" : "UnstructuredLoopControlsINTEL",
           "value" : 5886,
           "extensions" : [ "SPV_INTEL_unstructured_loop_controls" ],