diff --git a/src/Doxyfile b/src/Doxyfile
index 2206f17669..12dff49c52 100644
--- a/src/Doxyfile
+++ b/src/Doxyfile
@@ -31,7 +31,7 @@ PROJECT_NAME           = gem5
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = v24.0.0.0
+PROJECT_NUMBER         = [DEVELOP-FOR-v24.1]
 
 # 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 dedbb425d3..e9960c39ed 100644
--- a/src/base/version.cc
+++ b/src/base/version.cc
@@ -32,6 +32,6 @@ namespace gem5
 /**
  * @ingroup api_base_utils
  */
-const char *gem5Version = "24.0.0.0";
+const char *gem5Version = "DEVELOP-FOR-24.1";
 
 } // namespace gem5