diff --git a/Dockerfile b/Dockerfile
index ed6be38..a99624c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,7 +24,7 @@ VOLUME ["/output"]
 USER appuser
 WORKDIR /app
 
-HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+HEALTHCHECK --interval=30s --timeout=4s --start-period=10s --retries=3 \
     CMD test -f /output/output.txt && test -s /output/output.txt || exit 1
 
 ENTRYPOINT ["/bin/sh", "-c"]