diff --git a/Dockerfile b/Dockerfile
index e63c75e..ce55c50 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,5 @@
+FROM ubuntu:22.04
+
 RUN apt-get update -y \
     && apt-get install --no-install-recommends --no-install-suggests -y tzdata ca-certificates bzip2 curl wget libc-dev libxt6 \
     && apt-get install --no-install-recommends --no-install-suggests -y `apt-cache depends firefox-esr | awk '/Depends:/{print$2}'` \