diff --git a/Include/pystate.h b/Include/pystate.h
index ff35969..353a102 100644
--- a/Include/pystate.h
+++ b/Include/pystate.h
@@ -45,6 +45,9 @@
 #define PyTrace_EXCEPTION 1
 #define PyTrace_LINE 2
 #define PyTrace_RETURN 3
+#define PyTrace_C_CALL 4
+#define PyTrace_C_EXCEPTION 5
+#define PyTrace_C_RETURN 6
 
 typedef struct _ts {