diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 72b3c40..70797aa 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,5 +1,18 @@
 ## Changelog
 
+### v0.75-alpha2
+- Use internal oscillator without CKDIV8.
+- Increase available memory to 4096 bytes.
+- Change ARCH and MCU settings to match chip signature.
+- Update module 'pwm' to run on atmega1284p hardware.
+- Update module 'usart' to run on atmega1284p hardware.
+- Update module 'watchdog' to run on atmega1284p hardware.
+- Update module 'memory' to run on atmega1284p hardware.
+- Update Makefile settings for new chip architecture.
+- Add file structure for automatic unit-testing.
+- Reduce function calls by replacing WDT\_Reset with macro.
+- Update optional submodules 'tools' and 'webgui'.
+
 ### v0.75-alpha1
 - Include explicitly closed source license for now.
 - Auto-initialize optional submodules when needed.