diff --git a/src_main/piversion.h b/src_main/piversion.h
index 46ce7d05..e1196ca4 100644
--- a/src_main/piversion.h
+++ b/src_main/piversion.h
@@ -5,6 +5,6 @@
 #define PIP_VERSION_MAJOR      1
 #define PIP_VERSION_MINOR      0
 #define PIP_VERSION_REVISION   0
-#define PIP_VERSION_SUFFIX     "_rc3"
+#define PIP_VERSION_SUFFIX     "_rc4"
 
 #endif // PIVERSION_H