diff --git a/ext/testlib/configuration.py b/ext/testlib/configuration.py
index 18bebdd946..1fffab46ff 100644
--- a/ext/testlib/configuration.py
+++ b/ext/testlib/configuration.py
@@ -213,7 +213,7 @@ def define_defaults(defaults):
                                                       os.pardir,
                                                       os.pardir))
     defaults.result_path = os.path.join(os.getcwd(), 'testing-results')
-    defaults.resource_url = 'http://dist.gem5.org/dist/v21-0'
+    defaults.resource_url = 'http://dist.gem5.org/dist/develop'
     defaults.resource_path = os.path.abspath(os.path.join(defaults.base_dir,
                                             'tests',
                                             'gem5',
diff --git a/src/Doxyfile b/src/Doxyfile
index f8b481ec1a..a557e013f6 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         = v21.0.1.0
+PROJECT_NUMBER         = DEVELOP-FOR-v21.1
 
 # 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 4c0bebcc21..8fb6926dc3 100644
--- a/src/base/version.cc
+++ b/src/base/version.cc
@@ -29,5 +29,5 @@
 /**
  * @ingroup api_base_utils
  */
-const char *gem5Version = "21.0.1.0";
+const char *gem5Version = "[DEVELOP-FOR-V21.01]";