diff --git a/Dockerfile b/Dockerfile
index 999884b..bc4d2b0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ FROM metabase/${metabase_repo}:${metabase_version} as metabase
 
 # From https://github.com/metabase/metabase/issues/13119#issuecomment-1000350647
 
-FROM ubuntu:21.04
+FROM ubuntu:22.04
 
 ENV FC_LANG en-US LC_CTYPE en_US.UTF-8
 
diff --git a/README.md b/README.md
index 1dc266a..3a2386a 100644
--- a/README.md
+++ b/README.md
@@ -23,5 +23,5 @@ docker buildx build --push --platform linux/amd64,linux/arm64 --tag scurrilous/m
 ### Building a specific repo and/or version
 
 ```
-docker buildx build --push --platform linux/amd64,linux/arm64 --tag scurrilous/metabase:enterprise-v1.41.4 --build-arg metabase_repo=metabase-enterprise --build-arg metabase_version=v1.41.4 .
+docker buildx build --push --platform linux/amd64,linux/arm64 --tag scurrilous/metabase:enterprise-v1.46.3 --build-arg metabase_repo=metabase-enterprise --build-arg metabase_version=v1.46.3 .
 ```