diff --git a/Cargo.toml b/Cargo.toml
index 069f902..d46c3cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ version = "1.0.0"
 edition = "2021"
 
 [dev-dependencies]
-criterion = "0.4"
+criterion = "0.4.0"
 
 [[bench]]
 name = "benches"
diff --git a/Dockerfile b/Dockerfile
index 1dee113..03505a9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,4 @@
 FROM --platform=linux/i386 alpine:3.19
-RUN apk add cargo rustup
-RUN rustup update
+RUN apk add cargo
 WORKDIR /project-euler
 COPY . .