diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 79d1ace..db92b8c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,10 +11,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: set up go 1.19
+      - name: set up go 1.20
         uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: "1.20"
         id: go
 
       - name: checkout
diff --git a/Dockerfile b/Dockerfile
index eab6646..77d47a9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.19-alpine as backend
+FROM golang:1.20-alpine as backend
 
 ARG GIT_BRANCH
 ARG GITHUB_SHA
@@ -20,7 +20,7 @@ RUN \
     cd app && go build -o /build/reproxy -ldflags "-X main.revision=${version} -s -w"
 
 
-FROM ghcr.io/umputun/baseimage/app:v1.6.1 as base
+FROM ghcr.io/umputun/baseimage/app:v1.11.0 as base
 
 FROM scratch
 ENV REPROXY_IN_DOCKER=1
diff --git a/go.mod b/go.mod
index cc58ac0..4a75952 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/umputun/reproxy
 
-go 1.19
+go 1.20
 
 require (
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect