diff --git a/CHANGES b/CHANGES
index 3166140f2..8ff2e3b89 100644
--- a/CHANGES
+++ b/CHANGES
@@ -162,12 +162,20 @@ Bugs fixed
 * #2550: external links are opened in help viewer
 * #2687: Running Sphinx multiple times produces 'already registered' warnings
 
-Release 1.4.8 (in development)
+Release 1.4.9 (in development)
 ==============================
 
 Bugs fixed
 ----------
 
+Release 1.4.8 (released Oct 1, 2016)
+====================================
+
+Bugs fixed
+----------
+
+* #2996: The wheel package of Sphinx got crash with ImportError
+
 Release 1.4.7 (released Oct 1, 2016)
 ====================================
 
diff --git a/Makefile b/Makefile
index 10e8a787f..01e3a7837 100644
--- a/Makefile
+++ b/Makefile
@@ -35,7 +35,7 @@ all: clean-pyc clean-backupfiles style-check test
 style-check:
 	@$(PYTHON) utils/check_sources.py $(DONT_CHECK) .
 
-clean: clean-pyc clean-pycache clean-patchfiles clean-backupfiles clean-generated clean-testfiles
+clean: clean-pyc clean-pycache clean-patchfiles clean-backupfiles clean-generated clean-testfiles clean-buildfiles
 
 clean-pyc:
 	find . -name '*.pyc' -exec rm -f {} +
@@ -59,6 +59,9 @@ clean-testfiles:
 	rm -rf tests/build
 	rm -rf .tox/
 
+clean-buildfiles:
+	rm -rf build
+
 pylint:
 	@pylint --rcfile utils/pylintrc sphinx