diff --git a/Dockerfile b/Dockerfile
index 91ba653..534f68b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.86-bullseye AS build
+FROM rust:1.88-bullseye AS build
 
 COPY battlesnake/ /usr/app
 WORKDIR /usr/app
diff --git a/battlesnake/Cargo.toml b/battlesnake/Cargo.toml
index fdda61b..f031990 100644
--- a/battlesnake/Cargo.toml
+++ b/battlesnake/Cargo.toml
@@ -3,7 +3,7 @@ authors = ["Max Känner"]
 name = "battlesnake"
 version = "2.0.0"
 edition = "2024"
-rust-version = "1.86"
+rust-version = "1.88"
 
 readme = "README.md"
 repository = "https://git.mkaenner.de/max/battlesnake"