diff --git a/Dockerfile b/Dockerfile
index aca6ea0..e463a2e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ENV RUSTFLAGS="-C target-feature=-crt-static"
 RUN apk add --no-cache openssl-dev musl-dev 
 WORKDIR /usr/src/kon
 COPY . .
-RUN cargo fetch && cargo build -r
+RUN cargo fetch --frozen && cargo build -r
 
 FROM alpine:3.19@sha256:51b67269f354137895d43f3b3d810bfacd3945438e94dc5ac55fdac340352f48
 RUN apk add --no-cache openssl-dev libgcc