diff --git a/Dockerfile b/Dockerfile
index cc47f9e..5cf5dcd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,7 +18,7 @@ ENV PATH="/root/.cargo/bin:${PATH}"
 
 RUN rustup default nightly
 RUN rustup target add wasm32-unknown-unknown
-RUN cargo install cargo-leptos@0.2.26
+RUN cargo install cargo-leptos@0.2.26 --locked
 
 # Install ImageMagick
 RUN cd / && \