diff --git a/c-relay-3.0.0.tar.gz b/c-relay-3.0.0.tar.gz
index c97d821..5479300 100644
Binary files a/c-relay-3.0.0.tar.gz and b/c-relay-3.0.0.tar.gz differ
diff --git a/src/main.h b/src/main.h
index 22d8e36..fb1537b 100644
--- a/src/main.h
+++ b/src/main.h
@@ -10,10 +10,10 @@
 #define MAIN_H
 
 // Version information (auto-updated by build system)
-#define VERSION_MAJOR 3
+#define VERSION_MAJOR 4
 #define VERSION_MINOR 0
 #define VERSION_PATCH 0
-#define VERSION "v3.0.0"
+#define VERSION "v4.0.0"
 
 // Relay metadata (authoritative source for NIP-11 information)
 #define RELAY_NAME "C-Relay"