diff --git a/Dockerfile b/Dockerfile
index 43bc899..2651d0e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,8 +20,8 @@ RUN apt-get update && apt-get install -y \
     libjpeg-dev
 
 RUN curl --output /usr/share/keyrings/nginx-keyring.gpg https://unit.nginx.org/keys/nginx-keyring.gpg && \
-    echo "deb [signed-by=/usr/share/keyrings/nginx-keyring.gpg] https://packages.nginx.org/unit/ubuntu/ hirsute unit" > /etc/apt/sources.list.d/unit.list && \
-    echo "deb-src [signed-by=/usr/share/keyrings/nginx-keyring.gpg] https://packages.nginx.org/unit/ubuntu/ hirsute unit" >> /etc/apt/sources.list.d/unit.list
+    echo "deb [signed-by=/usr/share/keyrings/nginx-keyring.gpg] https://packages.nginx.org/unit/ubuntu/ focal unit" > /etc/apt/sources.list.d/unit.list && \
+    echo "deb-src [signed-by=/usr/share/keyrings/nginx-keyring.gpg] https://packages.nginx.org/unit/ubuntu/ focal unit" >> /etc/apt/sources.list.d/unit.list
 RUN apt-get -y update && apt-get -y install unit
 
 EXPOSE 5000