diff --git a/perf_counter.h b/perf_counter.h
index a3801b1..0487041 100644
--- a/perf_counter.h
+++ b/perf_counter.h
@@ -42,7 +42,7 @@ extern "C" {
 #define __PERF_COUNTER_VER_MINOR__          3
 #define __PERF_COUNTER_VER_REVISE__         0
 
-#define __PERF_COUNTER_VER_STR__            "dev"
+#define __PERF_COUNTER_VER_STR__            ""
 
 #define __PER_COUNTER_VER__    (__PERF_COUNTER_VER_MAJOR__ * 10000ul            \
                                +__PERF_COUNTER_VER_MINOR__ * 100ul              \