diff --git a/Dockerfile b/Dockerfile
index 1661f53..52525a3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
-FROM ubuntu:18.04
+FROM ubuntu:20.04
 LABEL maintainer Ascensio System SIA <support@onlyoffice.com>
 
-ENV LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_ALL=en_US.UTF-8 DEBIAN_FRONTEND=noninteractive
+ENV LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_ALL=en_US.UTF-8 DEBIAN_FRONTEND=noninteractive PG_VERSION=12
 
 ARG ONLYOFFICE_VALUE=onlyoffice
 
@@ -16,13 +16,14 @@ RUN echo "#!/bin/sh\nexit 0" > /usr/sbin/policy-rc.d && \
         apt-utils \
         bomstrip \
         certbot \
+        curl \
+        gconf-service \
         htop \
         libasound2 \
         libboost-regex-dev \
         libcairo2 \
-        libcurl3 \
         libcurl3-gnutls \
-        libgconf2-4 \
+        libcurl4 \
         libgtk-3-0 \
         libnspr4 \
         libnss3 \
@@ -51,7 +52,7 @@ RUN echo "#!/bin/sh\nexit 0" > /usr/sbin/policy-rc.d && \
     echo "SERVER_ADDITIONAL_ERL_ARGS=\"+S 1:1\"" | tee -a /etc/rabbitmq/rabbitmq-env.conf && \
     sed -i "s/bind .*/bind 127.0.0.1/g" /etc/redis/redis.conf && \
     sed 's|\(application\/zip.*\)|\1\n    application\/wasm wasm;|' -i /etc/nginx/mime.types && \
-    pg_conftool 10 main set listen_addresses 'localhost' && \
+    pg_conftool $PG_VERSION main set listen_addresses 'localhost' && \
     service postgresql restart && \
     sudo -u postgres psql -c "CREATE DATABASE $ONLYOFFICE_VALUE;" && \
     sudo -u postgres psql -c "CREATE USER $ONLYOFFICE_VALUE WITH password '$ONLYOFFICE_VALUE';" && \
diff --git a/run-document-server.sh b/run-document-server.sh
index 1962b7a..626b72a 100755
--- a/run-document-server.sh
+++ b/run-document-server.sh
@@ -75,7 +75,6 @@ JSON_EXAMPLE="${JSON_BIN} -q -f ${ONLYOFFICE_EXAMPLE_CONFIG}"
 LOCAL_SERVICES=()
 
 PG_ROOT=/var/lib/postgresql
-PG_VERSION=10
 PG_NAME=main
 PGDATA=${PG_ROOT}/${PG_VERSION}/${PG_NAME}
 PG_NEW_CLUSTER=false
diff --git a/tests/test.sh b/tests/test.sh
index 6028584..535003a 100755
--- a/tests/test.sh
+++ b/tests/test.sh
@@ -36,7 +36,7 @@ fi
 # Run test environment
 docker-compose -p ds -f $config up -d
 
-wakeup_timeout=30
+wakeup_timeout=90
 
 # Get documentserver healthcheck status
 echo "Wait for service wake up"