diff --git a/Dockerfile b/Dockerfile
index f3e5b34..5ad4d8e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # STEP 1: build pdfact
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 LABEL maintainer="Daniel Bauer <dev@dbauer.me>"
 
 ENV DEBIAN_FRONTEND=noninteractive