diff --git a/Dockerfile b/Dockerfile
index 1d4a597..e451c1e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
-FROM alpine:3.13.6
+FROM ubuntu:20.04
 
-RUN apk update && apk add git
+RUN apt update && apt install -y git
 
-ADD ["https://github.com/thoughtworks/talisman/releases/download/v1.22.0/talisman_linux_amd64", "/talisman"]
+ADD ["https://github.com/thoughtworks/talisman/releases/download/v1.11.0/talisman_linux_amd64", "/talisman"]
 RUN chmod +x /talisman
 
 COPY entrypoint.sh /entrypoint.sh