diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..a9e5378
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,4 @@
+org-agent-server
+.git
+.env
+tests/
diff --git a/deploy/docker/Dockerfile b/deploy/docker/Dockerfile
index db1ced0..a97abf6 100644
--- a/deploy/docker/Dockerfile
+++ b/deploy/docker/Dockerfile
@@ -21,6 +21,9 @@ WORKDIR /app
 COPY org-agent.asd /app/
 COPY src/ /app/src/
 
+# Ensure we aren't using a stale binary from the host
+RUN rm -f /app/org-agent-server
+
 # Build the standalone binary natively inside the container
 # This ensures GLIBC compatibility with the runtime environment.
 RUN sbcl --non-interactive \