diff --git a/Dockerfile.worker b/Dockerfile.worker
index c21a1c6..33d0d70 100644
--- a/Dockerfile.worker
+++ b/Dockerfile.worker
@@ -29,6 +29,11 @@ WORKDIR /app
 RUN chown -R worker:nodejs /app
 USER worker
 COPY --chown=worker:nodejs package.json pnpm-lock.yaml ./
+# HUSKY=0 skips the husky install during the `prepare` script — husky is a
+# dev dependency so it's not present in --prod installs, and without this
+# guard pnpm install fails with "sh: husky: not found" (husky 9+ honors
+# the HUSKY=0 env var as the official CI/Docker skip mechanism).
+ENV HUSKY=0
 RUN pnpm install --frozen-lockfile --prod
 COPY --from=builder --chown=worker:nodejs /app/dist/worker.js ./worker.js
 # Healthcheck — pings Redis from inside the worker container. Without