diff --git a/Dockerfile b/Dockerfile
index c20792b..3e6ac8b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,11 +2,11 @@
 # Licensed under the Artistic License 2.0.
 
 
-FROM ubuntu:focal
+FROM ubuntu:impish
 
 RUN apt update && apt install -y git sudo
 RUN git clone https://github.com/ahamilton/eris
-RUN cd eris && git checkout afa6870484e50ad4ba7b8d662c4ed708c29a759b
+RUN cd eris && git checkout d83bea2ba8a419e2b3cd4fd4b3367e25fae6339d
 RUN rm -rf eris/.git
 RUN DEBIAN_FRONTEND=noninteractive apt install -y tzdata
 RUN cd eris && ./install-dependencies