diff --git a/CMakeLists.txt b/CMakeLists.txt
index 12f6f06e6421..5a4183335c9b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.12)
-project(xgboost LANGUAGES CXX C VERSION 1.0.0)
+project(xgboost LANGUAGES CXX C VERSION 1.0.1)
 include(cmake/Utils.cmake)
 list(APPEND CMAKE_MODULE_PATH "${xgboost_SOURCE_DIR}/cmake/modules")
 cmake_policy(SET CMP0022 NEW)
diff --git a/python-package/xgboost/VERSION b/python-package/xgboost/VERSION
index 3eefcb9dd5b3..7dea76edb3dc 100644
--- a/python-package/xgboost/VERSION
+++ b/python-package/xgboost/VERSION
@@ -1 +1 @@
-1.0.0
+1.0.1