diff --git a/docs/images/docker-ffmpeg.md b/docs/images/docker-ffmpeg.md
index a993e252f..d62664f54 100644
--- a/docs/images/docker-ffmpeg.md
+++ b/docs/images/docker-ffmpeg.md
@@ -176,6 +176,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **21.01.24:** - Add alsa support.
 * **18.01.24:** - Let the wrapper pass the ffmpeg exit code to docker run. Bump various libs.
 * **01.01.24:** - Add rav1e support. Bump libaom, fdkaac, libdrm, libvmaf, libvpl, mesa and svt-av1.
 * **06.12.23:** - Add libplacebo and libdobi to x86_64.