diff --git a/docker/install/ubuntu_install_vela.sh b/docker/install/ubuntu_install_vela.sh
index a78fdd145431..e75a99d9d563 100644
--- a/docker/install/ubuntu_install_vela.sh
+++ b/docker/install/ubuntu_install_vela.sh
@@ -21,4 +21,7 @@ set -u
 set -o pipefail
 
 pip3 install -U setuptools
+# In a refactor between v2.1.1 and v3.0.0, find_block_configs <appropriate function name> was removed from Vela.
+# Since this is still required for the TVM port, it will be reinstated in Vela in a future release.
+# Until then, it needs to be pinned to v2.1.1.
 pip3 install ethos-u-vela==2.1.1