diff --git a/src/Doxyfile b/src/Doxyfile
index d453314..b83a8b1 100644
--- a/src/Doxyfile
+++ b/src/Doxyfile
@@ -31,7 +31,7 @@
 # This could be handy for archiving the generated documentation or 
 # if some version control system is used.
 
-PROJECT_NUMBER         = DEVELOP-FOR-V20.2
+PROJECT_NUMBER         = v21.0.0.0
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
 # base path where the generated documentation will be put. 
diff --git a/src/base/version.cc b/src/base/version.cc
index cfa98f9..b46ca39 100644
--- a/src/base/version.cc
+++ b/src/base/version.cc
@@ -29,4 +29,4 @@
 /**
  * @ingroup api_base_utils
  */
-const char *gem5Version = "[DEVELOP-FOR-V20.2]";
+const char *gem5Version = "21.0.0.0";