diff --git a/version b/version
index 1a1a990cd..4548a418a 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-const char *g_gpgpusim_version_string = "GPGPU-Sim Simulator Version 4.0.0 ";
+const char *g_gpgpusim_version_string = "GPGPU-Sim Simulator Version 4.0.1 ";