diff --git a/Dockerfile b/Dockerfile
index 3d0c9a9..223a9ad 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,8 +12,8 @@ RUN cargo chef cook --release --recipe-path recipe.json
 COPY . .
 RUN cargo build --release
 
-FROM debian:bullseye-20230227-slim AS runtime
+FROM ubuntu:22.04 AS runtime
 WORKDIR /ncb-tts-r2
-RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates ffmpeg libssl-dev libopus-dev && apt-get -y clean && mkdir audio
+RUN apt-get update && apt-get install -y --no-install-recommends openssl ca-certificates ffmpeg libssl-dev libopus-dev && apt-get -y clean && mkdir audio
 COPY --from=builder /app/target/release/ncb-tts-r2 /usr/local/bin
 ENTRYPOINT ["/usr/local/bin/ncb-tts-r2"]