diff --git a/README.md b/README.md
index 846c73e..39a8c69 100644
--- a/README.md
+++ b/README.md
@@ -26,3 +26,18 @@ file to update `PATH`.
 ```
 source $HOME/.cargo/env
 ```
+
+## Releases
+
+The EC firmware itself does not have tagged releases. Any commit of this repo
+may be used as a part of a [System76 Open Firmware][firmware-open] release.
+
+In official releases the EC shares the same version as the BIOS firmware. Run
+the follow command from firmware-open to determine the corresponding EC commit
+for a release.
+
+```
+git ls-tree <release_hash> ec
+```
+
+[firmware-open]: https://github.com/system76/firmware-open