diff --git a/.github/workflows/js-client-test.yml b/.github/workflows/js-client-test.yml
index 9597eb9f..46aca1c8 100644
--- a/.github/workflows/js-client-test.yml
+++ b/.github/workflows/js-client-test.yml
@@ -1,7 +1,7 @@
 name: JavaScript client tests
 
 env:
-  RUST_VERSION: 1.91.0
+  RUST_VERSION: 1.91.1
   RUST_BACKTRACE: 1
 
 on:
diff --git a/.github/workflows/server-test.yml b/.github/workflows/server-test.yml
index eb6d2baf..16da4803 100644
--- a/.github/workflows/server-test.yml
+++ b/.github/workflows/server-test.yml
@@ -1,7 +1,7 @@
 name: Server test
 
 env:
-  RUST_VERSION: 1.91.0
+  RUST_VERSION: 1.91.1
 
 on:
   pull_request:
diff --git a/alpine.Dockerfile b/alpine.Dockerfile
index f44bbe19..e6f10ea3 100644
--- a/alpine.Dockerfile
+++ b/alpine.Dockerfile
@@ -7,7 +7,7 @@ FROM messense/rust-musl-cross:${ARCH}-musl AS builder
 
 ARG ARCH=x86_64
 ARG APP_NAME=nittei
-ARG RUST_VERSION=1.91.0
+ARG RUST_VERSION=1.91.1
 
 # Install and set the specific Rust version
 RUN rustup install ${RUST_VERSION} && rustup default ${RUST_VERSION}
diff --git a/alpineWithDD.Dockerfile b/alpineWithDD.Dockerfile
index 86e45c91..f9252a74 100644
--- a/alpineWithDD.Dockerfile
+++ b/alpineWithDD.Dockerfile
@@ -9,7 +9,7 @@ FROM messense/rust-musl-cross:${ARCH}-musl AS builder
 
 ARG ARCH=x86_64
 ARG APP_NAME=nittei
-ARG RUST_VERSION=1.91.0
+ARG RUST_VERSION=1.91.1
 
 # Install and set the specific Rust version
 RUN rustup install ${RUST_VERSION} && rustup default ${RUST_VERSION}
diff --git a/debian.Dockerfile b/debian.Dockerfile
index f4a7199e..2fa747a1 100644
--- a/debian.Dockerfile
+++ b/debian.Dockerfile
@@ -2,7 +2,7 @@
 # docker buildx build -f debian.Dockerfile -t image:tag --build-arg='ARCH=x86_64' --platform linux/amd64 .
 # docker buildx build -f debian.Dockerfile -t image:tag --build-arg='ARCH=aarch64' --platform linux/arm64 .
 
-FROM rust:1.91.0-slim AS builder
+FROM rust:1.91.1-slim AS builder
 
 WORKDIR /app/nittei
 
diff --git a/debianWithDD.Dockerfile b/debianWithDD.Dockerfile
index b6a67bb7..d92e6387 100644
--- a/debianWithDD.Dockerfile
+++ b/debianWithDD.Dockerfile
@@ -4,7 +4,7 @@
 # docker buildx build -f debianWithDD.Dockerfile -t image:tag --build-arg='ARCH=x86_64' --platform linux/amd64 .
 # docker buildx build -f debianWithDD.Dockerfile -t image:tag --build-arg='ARCH=aarch64' --platform linux/arm64 .
 
-FROM rust:1.91.0-slim AS builder
+FROM rust:1.91.1-slim AS builder
 
 WORKDIR /app/nittei