diff --git a/Dockerfile.arm b/Dockerfile.arm
index 238e90ccd8..1497da0ef7 100644
--- a/Dockerfile.arm
+++ b/Dockerfile.arm
@@ -25,6 +25,7 @@ FROM microsoft/dotnet:${DOTNET_VERSION}-runtime-stretch-slim-arm32v7
 COPY --from=qemu_extract qemu-arm-static /usr/bin
 RUN apt-get update \
  && apt-get install --no-install-recommends --no-install-suggests -y ffmpeg \
+ && rm -rf /var/lib/apt/lists/* \
  && mkdir -p /cache /config /media \
  && chmod 777 /cache /config /media
 COPY --from=builder /jellyfin /jellyfin
diff --git a/Dockerfile.arm64 b/Dockerfile.arm64
index 2927d4e658..f4658a055c 100644
--- a/Dockerfile.arm64
+++ b/Dockerfile.arm64
@@ -26,6 +26,7 @@ FROM microsoft/dotnet:${DOTNET_VERSION}-runtime-stretch-slim-arm64v8
 COPY --from=qemu_extract qemu-aarch64-static /usr/bin
 RUN apt-get update \
  && apt-get install --no-install-recommends --no-install-suggests -y ffmpeg \
+ && rm -rf /var/lib/apt/lists/* \
  && mkdir -p /cache /config /media \
  && chmod 777 /cache /config /media
 COPY --from=builder /jellyfin /jellyfin