diff --git a/protobuf-c/protobuf-c.h b/protobuf-c/protobuf-c.h
index 6146fcc..9732c41 100644
--- a/protobuf-c/protobuf-c.h
+++ b/protobuf-c/protobuf-c.h
@@ -95,7 +95,7 @@ protobuf_c_version_number(void);
  * The version of the protobuf-c headers, represented as a string using the same
  * format as protobuf_c_version().
  */
-#define PROTOBUF_C_VERSION		"1.0.0-pre"
+#define PROTOBUF_C_VERSION		"1.0.0-rc1"
 
 /**
  * The version of the protobuf-c headers, represented as an integer using the