diff --git a/Dockerfile b/Dockerfile
index 70980ed..db80f07 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,4 +16,5 @@ FROM alpine AS runner
 WORKDIR /app
 COPY --from=builder /app/bin/us-dop-api /usr/bin/
 COPY --from=builder /app/assets/ /app/assets/
+RUN apk add --no-cache tzdata
 ENTRYPOINT /usr/bin/us-dop-api