diff --git a/Dockerfile b/Dockerfile
index 492cc27..85836b7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM rust:latest
 ENV CARGO_INCREMENTAL=0 \
     CARGO_TERM_COLOR=always \
-    RUST_MIN_STACK=16777216
+    RUST_MIN_STACK=33554432
 
 WORKDIR /root/endian-num
 COPY . .