diff --git a/Include/pythonrun.h b/Include/pythonrun.h
index 5054932..e244ce7 100644
--- a/Include/pythonrun.h
+++ b/Include/pythonrun.h
@@ -196,6 +196,7 @@
 PyAPI_FUNC(int) _PyFrame_Init(void);
 PyAPI_FUNC(void) _PyFloat_Init(void);
 PyAPI_FUNC(int) PyByteArray_Init(void);
+PyAPI_FUNC(void) _PyRandom_Init(void);
 #endif
 
 /* Various internal finalizers */