diff --git a/Dockerfile b/Dockerfile
index 40904a42a..d62e1443c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,6 +13,7 @@
 ARG DEBIAN_VERSION=11
 ARG DEBIAN_VERSION_NAME=bullseye
 ARG RUSTC_VERSION=1.66.0
+# XXX: Upgrade to 0.10.0 blocked by https://github.com/ziglang/zig/issues/10915#issuecomment-1354548110
 ARG ZIG_VERSION=0.9.1
 ARG NODEJS_VERSION=18
 ARG OPA_VERSION=0.47.3