diff --git a/Dockerfile b/Dockerfile
index d6aeefc5..46cd43fa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,8 @@ RUN apt-get update && \
     apt-get install -y software-properties-common && \
     add-apt-repository ppa:deadsnakes/ppa && \
     apt-get update && \
-    apt-get install -y python3.11 python3.11-dev python3.11-venv python3.11-distutils python3-pip git libgl1 libglib2.0-0
+    apt-get install -y python3.11 python3.11-dev python3.11-venv python3.11-distutils python3-pip git libgl1 libglib2.0-0 \
+    pkg-config ffmpeg libavformat-dev libavcodec-dev libavdevice-dev libavutil-dev libswscale-dev libswresample-dev libavfilter-dev
 
 RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1 && \
     python3.11 -m ensurepip --upgrade && \
diff --git a/pyproject.toml b/pyproject.toml
index 2001bbb6..d5845a5f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,8 @@ readme = "README.md"
 requires-python = ">=3.11.7, <3.12"
 dependencies = [
     "aiohttp~=3.11.12",
-    "aiortc~=1.12.0",
+    "aiortc~=1.11.0",
+    "av<14.0.0",
     "dynaconf~=3.2.7",
     "fastapi[standard]~=0.115.12",
     "fastrtc",