diff --git a/Dockerfile b/Dockerfile
index b2a694d..991f85e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,12 @@ FROM cloudron/base:2.0.0@sha256:f9fea80513aa7c92fe2e7bf3978b54c8ac5222f47a9a32a7
 RUN mkdir -p /app/code/server /app/pkg
 WORKDIR /app/code/server
 
-RUN apt-get -y update && apt -y install ffmpeg && rm -rf /var/cache/apt /var/lib/apt/lists
+# ffmpeg >= 4.1 is required (https://github.com/Chocobozzz/PeerTube/issues/2469)
+RUN apt-get -y update && \
+    add-apt-repository ppa:jonathonf/ffmpeg-4 && \
+    apt-get update && \
+    apt -y install ffmpeg x264 x265 && \
+    rm -rf /var/cache/apt /var/lib/apt/lists
 
 # install yq
 RUN curl -sL https://github.com/mikefarah/yq/releases/download/3.2.1/yq_linux_amd64 -o /usr/bin/yq && \