diff --git a/Dockerfile b/Dockerfile
index 127a442..44fe7a1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.90@sha256:e227f20ec42af3ea9a3c9c1dd1b2012aa15f12279b5e9d5fb890ca1c2bb5726c AS builder
+FROM rust:1.91@sha256:eac325268dbdd1c874282a92ad2e0012f19005f65732f9828ecb077c1065c0f0 AS builder
 WORKDIR /app
 COPY . .
 RUN cargo install --path .