diff --git a/CHANGELOG b/CHANGELOG
index 2b386e21..e4da0c0f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,16 @@
+lwext4-1.0.0
+============
+* new extent module implementation (handle unwritten extents correctly)
+* xattr support
+* journaling transactions & recover support
+* improve configurations (with automatic generated config file)
+* move stm32disco demo to separate repository
+* test suite & tools improvements (more tests on autogenerated images)
+* new filesystem tools: lwext4-mkfs, lwext4-mbr
+* travis continious integration
+* lot of bugfixes and minor improvements...
+
+
 lwext4-0.8.0
 ============
 * improve ext4_dir_entry_next
diff --git a/Makefile b/Makefile
index 1a5ae08b..877cb5b2 100644
--- a/Makefile
+++ b/Makefile
@@ -7,8 +7,8 @@ ifneq ($(shell test -d .git), 0)
 GIT_SHORT_HASH:= $(shell git rev-parse --short HEAD)
 endif
 
-VERSION_MAJOR = 0
-VERSION_MINOR = 8
+VERSION_MAJOR = 1
+VERSION_MINOR = 0
 VERSION_PATCH = 0
 
 VERSION = $(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_PATCH)-$(GIT_SHORT_HASH)