diff --git a/Dockerfile b/Dockerfile
index cf680ee..4129d06 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,11 +11,12 @@ WORKDIR /app
 
 # Install dependencies first (cached layer as long as lockfile doesn't change)
 COPY pyproject.toml uv.lock ./
-RUN uv lock
+RUN uv lock --upgrade
 RUN uv sync --locked --no-install-project --no-editable
 
 # Copy the rest of the project and install it
 COPY . .
+RUN uv lock
 RUN uv sync --locked --no-editable
 
 # --- Final stage: no uv, no build artifacts ---