diff --git a/dlib/CMakeLists.txt b/dlib/CMakeLists.txt
index 84931a312..00bfb8740 100644
--- a/dlib/CMakeLists.txt
+++ b/dlib/CMakeLists.txt
@@ -21,7 +21,7 @@ project(dlib)
 set(CPACK_PACKAGE_NAME "dlib")
 set(CPACK_PACKAGE_VERSION_MAJOR "19")
 set(CPACK_PACKAGE_VERSION_MINOR "21")
-set(CPACK_PACKAGE_VERSION_PATCH "0")
+set(CPACK_PACKAGE_VERSION_PATCH "99")
 set(VERSION ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH})
 # Only print these messages once, even if dlib is added multiple times via add_subdirectory()
 if (NOT TARGET dlib)
diff --git a/docs/.logger_revnum b/docs/.logger_revnum
index 551b4256b..ae328ff30 100644
--- a/docs/.logger_revnum
+++ b/docs/.logger_revnum
@@ -1 +1 @@
-610aa6349acfd3c622e1c147c383231a1c25260f
+2e64bdd4494e85c5e0d6cd937abf26279869f6f2