diff --git a/Dockerfile b/Dockerfile
index 580281c..c97a613 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ RUN rustup target add wasm32-unknown-unknown
 WORKDIR /app
 
 # Copy workspace files to maintain workspace structure
-COPY Cargo.toml Cargo.lock ./
+COPY Cargo.toml ./
 COPY calendar-models ./calendar-models
 COPY frontend/Cargo.toml ./frontend/
 COPY frontend/Trunk.toml ./frontend/
@@ -63,7 +63,7 @@ RUN mkdir -p backend/src && \
     echo "fn main() {}" > backend/src/main.rs
 
 # Build dependencies (this layer will be cached unless dependencies change)
-COPY Cargo.toml Cargo.lock ./
+COPY Cargo.toml ./
 COPY backend/Cargo.toml ./backend/
 RUN cargo build --release