diff --git a/Dockerfile b/Dockerfile
index 067e8cc..1e4b0e1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:20.04 AS compiler-common
+FROM ubuntu:22.04 AS compiler-common
 ENV DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get update \
@@ -16,9 +16,7 @@ RUN apt-get update \
 ###########################################################################################################
 
 FROM compiler-common AS compiler-postgis
-RUN echo "deb http://apt.postgresql.org/pub/repos/apt focal-pgdg main" > /etc/apt/sources.list.d/pgdg.list \
-&& wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add - \
-&& apt-get update \
+RUN apt-get update \
 && apt-get install -y --no-install-recommends \
  postgresql-server-dev-14 \
  libxml2-dev \