diff --git a/template/crystal-http/Dockerfile b/template/crystal-http/Dockerfile
index 48a382c..b322df7 100644
--- a/template/crystal-http/Dockerfile
+++ b/template/crystal-http/Dockerfile
@@ -28,6 +28,7 @@ COPY --from=build /home/app/handler    .
 COPY --from=watchdog /fwatchdog /usr/bin/fwatchdog
 
 ENV fprocess="./handler"
+ENV exec_timeout=30
 EXPOSE 8080
 
 HEALTHCHECK --interval=2s CMD [ -e /tmp/.lock ] || exit 1