diff --git a/.go-version b/.go-version
index 0d92a10285c..de646d2fc11 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.16.5
+1.16.6
diff --git a/auditbeat/Dockerfile b/auditbeat/Dockerfile
index 657afaa62b5..1cc82d4f945 100644
--- a/auditbeat/Dockerfile
+++ b/auditbeat/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16.5
+FROM golang:1.16.6
 
 RUN \
     apt-get update \
diff --git a/filebeat/Dockerfile b/filebeat/Dockerfile
index ce08a772265..01d3d1455d6 100644
--- a/filebeat/Dockerfile
+++ b/filebeat/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16.5
+FROM golang:1.16.6
 
 RUN \
     apt-get update \
diff --git a/heartbeat/Dockerfile b/heartbeat/Dockerfile
index 4684c21e8e1..12a8db29678 100644
--- a/heartbeat/Dockerfile
+++ b/heartbeat/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16.5
+FROM golang:1.16.6
 
 RUN \
     apt-get update \
diff --git a/journalbeat/Dockerfile b/journalbeat/Dockerfile
index 8185be4c28f..0cb48807b16 100644
--- a/journalbeat/Dockerfile
+++ b/journalbeat/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16.5
+FROM golang:1.16.6
 
 RUN \
     apt-get update \
diff --git a/libbeat/Dockerfile b/libbeat/Dockerfile
index e1d532843b9..637aca6036c 100644
--- a/libbeat/Dockerfile
+++ b/libbeat/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16.5
+FROM golang:1.16.6
 
 RUN \
     apt-get update \
diff --git a/libbeat/docs/version.asciidoc b/libbeat/docs/version.asciidoc
index 42e6e20127b..78390e58d22 100644
--- a/libbeat/docs/version.asciidoc
+++ b/libbeat/docs/version.asciidoc
@@ -1,6 +1,6 @@
 :stack-version: 8.0.0
 :doc-branch: master
-:go-version: 1.16.5
+:go-version: 1.16.6
 :release-state: unreleased
 :python: 3.7
 :docker: 1.12
diff --git a/metricbeat/Dockerfile b/metricbeat/Dockerfile
index 063efa1cc90..4adb542e90c 100644
--- a/metricbeat/Dockerfile
+++ b/metricbeat/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16.5
+FROM golang:1.16.6
 
 RUN \
     apt update \
diff --git a/packetbeat/Dockerfile b/packetbeat/Dockerfile
index 528d4f25e5f..101b27b2869 100644
--- a/packetbeat/Dockerfile
+++ b/packetbeat/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16.5
+FROM golang:1.16.6
 
 RUN \
     apt-get update \
diff --git a/x-pack/elastic-agent/Dockerfile b/x-pack/elastic-agent/Dockerfile
index 807cbd2ead3..463351d15e4 100644
--- a/x-pack/elastic-agent/Dockerfile
+++ b/x-pack/elastic-agent/Dockerfile
@@ -1,4 +1,4 @@
-ARG GO_VERSION=1.16.5
+ARG GO_VERSION=1.16.6
 FROM circleci/golang:${GO_VERSION}
 
 
diff --git a/x-pack/functionbeat/Dockerfile b/x-pack/functionbeat/Dockerfile
index fbdfc5736d1..6f30f22e0c1 100644
--- a/x-pack/functionbeat/Dockerfile
+++ b/x-pack/functionbeat/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16.5
+FROM golang:1.16.6
 
 RUN \
     apt-get update \
diff --git a/x-pack/libbeat/Dockerfile b/x-pack/libbeat/Dockerfile
index bf894365b73..d9af989f3c1 100644
--- a/x-pack/libbeat/Dockerfile
+++ b/x-pack/libbeat/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16.5
+FROM golang:1.16.6
 
 RUN \
     apt-get update \