diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d872ed..3a1aaaf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+1.0.0
+-----
+
+* Repackage to pyproject.toml
+* Require i2cdevice>=1.0.0 (smbus2)
+
 0.1.1
 -----
 
diff --git a/bme280/__init__.py b/bme280/__init__.py
index 8e116d7..157898f 100644
--- a/bme280/__init__.py
+++ b/bme280/__init__.py
@@ -5,7 +5,7 @@
 from i2cdevice import BitField, Device, Register, _int_to_bytes
 from i2cdevice.adapter import Adapter, LookupAdapter
 
-__version__ = "0.1.1"
+__version__ = "1.0.0"
 
 CHIP_ID = 0x60
 I2C_ADDRESS_GND = 0x76