diff --git a/.go-version b/.go-version
index 7bf9455f08c..e63679c7661 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.20.5
+1.20.6
diff --git a/docs/version.asciidoc b/docs/version.asciidoc
index a30e5786c46..71e2eb95758 100644
--- a/docs/version.asciidoc
+++ b/docs/version.asciidoc
@@ -1,6 +1,6 @@
 // doc-branch can be: master, 8.0, 8.1, etc.
 :doc-branch: master
-:go-version: 1.20.5
+:go-version: 1.20.6
 :python: 3.7
 :docker: 1.12
 :docker-compose: 1.11
diff --git a/packaging/docker/Dockerfile b/packaging/docker/Dockerfile
index 03607959d75..8d5d77b62c6 100644
--- a/packaging/docker/Dockerfile
+++ b/packaging/docker/Dockerfile
@@ -2,7 +2,7 @@ ARG BASE_IMAGE=ubuntu:20.04
 
 # Build the apm-server binary. The golang image version is kept
 # up to date with go.mod by Makefile.
-FROM golang:1.20.5 as builder
+FROM golang:1.20.6 as builder
 WORKDIR /src
 COPY go.mod go.sum /src/
 COPY internal/glog/go.mod /src/internal/glog/go.mod