diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9de19fdd1..dec9ea303 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,24 @@
+0.21.0
+---
+- **new devices**
+    - lsm6ds3tr: initial implementation
+    - UC8151: used in Pimoroni's badger2040 e-paper (#416)
+    - scd4x: implement driver for CO2 sensor
+
+- **enhancements**
+    - easystepper: Add support for '8-step mode'
+    - vl53l1x: Add functions for setting the device address
+    - sdcard: support thingplus-rp2040
+    - wifinina: add mutex to prevent communication race problems
+    - **ws2812**
+        - support thingplus-rp2040 board
+        - Added 125 MHz rp2040 timing
+        - Added unsafe.Pointer for pointer conversion
+
+- **bugfixes**
+    - ssd1351: Fix mirrored text on OLED display
+
+
 0.20.0
 ---
 - **new devices**
diff --git a/README.md b/README.md
index 37c936935..24939a93e 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ func main() {
 
 ## Currently supported devices
 
-The following 78 devices are supported.
+The following 80 devices are supported.
 
 | Device Name                                                                                                                                                                                         | Interface Type |
 |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------|
@@ -97,6 +97,7 @@ The following 78 devices are supported.
 | [LPS22HB MEMS nano pressure sensor](https://www.st.com/resource/en/datasheet/dm00140895.pdf)                                                                                                        | I2C |
 | [LSM6DS3 accelerometer](https://www.st.com/resource/en/datasheet/lsm6ds3.pdf)                                                                                                                       | I2C |
 | [LSM6DSOX accelerometer](https://www.st.com/resource/en/datasheet/lsm6dsox.pdf)                                                                                                                     | I2C |
+| [LSM6DS3TR accelerometer](https://www.st.com/resource/en/datasheet/lsm6ds3tr.pdf)                                                                                                                     | I2C |
 | [LSM303AGR accelerometer](https://www.st.com/resource/en/datasheet/lsm303agr.pdf)                                                                                                                   | I2C |
 | [LSM9DS1 accelerometer](https://www.st.com/resource/en/datasheet/lsm9ds1.pdf)                                                                                                                       | I2C |
 | [MAG3110 magnetometer](https://www.nxp.com/docs/en/data-sheet/MAG3110.pdf)                                                                                                                          | I2C |
@@ -112,6 +113,7 @@ The following 78 devices are supported.
 | [PCF8563 real time clock](https://www.nxp.com/docs/en/data-sheet/PCF8563.pdf)                                                                                                                       | I2C |
 | [Resistive Touchscreen (4-wire)](http://ww1.microchip.com/downloads/en/Appnotes/doc8091.pdf)                                                                                                        | GPIO |
 | [RTL8720DN 2.4G/5G Dual Bands Wireless and BLE5.0](https://www.seeedstudio.com/Realtek8720DN-2-4G-5G-Dual-Bands-Wireless-and-BLE5-0-Combo-Module-p-4442.html)                                       | UART |
+| [SCD4x CO2 Sensor](https://sensirion.com/media/documents/C4B87CE6/627C2DCD/CD_DS_SCD40_SCD41_Datasheet_D1.pdf) | I2C |
 | [Semihosting](https://wiki.segger.com/Semihosting)                                                                                                                                                  | Debug |
 | [Servo](https://learn.sparkfun.com/tutorials/hobby-servo-tutorial/all)                                                                                                                              | PWM |
 | [Shift register (PISO)](https://en.wikipedia.org/wiki/Shift_register#Parallel-in_serial-out_\(PISO\))                                                                                               | GPIO |
diff --git a/version.go b/version.go
index c9a48d0c7..4c4f45e5e 100644
--- a/version.go
+++ b/version.go
@@ -2,4 +2,4 @@ package drivers
 
 // Version returns a user-readable string showing the version of the drivers package for support purposes.
 // Update this value before release of new version of software.
-const Version = "0.20.0"
+const Version = "0.21.0"