diff --git a/Dockerfile b/Dockerfile
index 5f7cc7e..4385b8d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,6 +21,7 @@ LABEL org.opencontainers.image.licenses="GPL-2.0-only"
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates \
+    media-types \
     && rm -rf /var/lib/apt/lists/*
 
 RUN useradd -m -u 10001 -s /bin/bash appuser
diff --git a/Dockerfile.release b/Dockerfile.release
index 6f42f75..51444ca 100644
--- a/Dockerfile.release
+++ b/Dockerfile.release
@@ -2,6 +2,7 @@ FROM debian:trixie-slim
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates \
+    media-types \
     && rm -rf /var/lib/apt/lists/*
 
 RUN useradd -m -u 10001 -s /bin/bash appuser