diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d274a58b03af6558d428456cc6119aa15ef2b48f..947981d7fe878153085de4a491780ceb3a3cfa2f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ variables:
     GOSDN_IMAGE: "${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHA}"
     GOSDN_TESTING_IMAGE: "${CI_REGISTRY_IMAGE}:testing_${CI_COMMIT_SHA}"
     CEOS_IMAGE: "${CI_PCONTAINERS_REGISTRY_IMAGE}/ceos:4.28.2F"
-    GOLANG_VERSION: "1.20.5"
+    GOLANG_VERSION: "1.20.6"
 
 workflow:
   rules:
diff --git a/.gitlab/ci/.code-quality-ci.yml b/.gitlab/ci/.code-quality-ci.yml
index bce2d382edbe388c9a3bb020602a6aa1af5b2991..97ffaf0fbfb1de7891929ce04a42fa8b94839299 100644
--- a/.gitlab/ci/.code-quality-ci.yml
+++ b/.gitlab/ci/.code-quality-ci.yml
@@ -1,5 +1,5 @@
 variables:
-    GOLANG_VERSION: "1.20.5"
+    GOLANG_VERSION: "1.20.6"
 code-quality:
     image: golangci/golangci-lint:v1.52.2-alpine
     stage: analyze
diff --git a/.golangci.yml b/.golangci.yml
index 6951bf00f310987c08dd7bdd6ad9206219b0a1ee..8ffeff90bf8c49342e3b683a68a40265a9359f1a 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -1,5 +1,5 @@
 variables:
-    GOLANG_VERSION: "1.20.5"
+    GOLANG_VERSION: "1.20.6"
 run:
     go: $GOLANG_VERSION
     concurrency: 4
diff --git a/applications/arista-routing-engine/arista-routing-engine.Dockerfile b/applications/arista-routing-engine/arista-routing-engine.Dockerfile
index dcbb7f9629454212b68773874e6b460ebe7e68b1..167be14543717ad33f7501a7ecc260ac01a022cc 100644
--- a/applications/arista-routing-engine/arista-routing-engine.Dockerfile
+++ b/applications/arista-routing-engine/arista-routing-engine.Dockerfile
@@ -1,4 +1,4 @@
-ARG GOLANG_VERSION=1.20.5
+ARG GOLANG_VERSION=1.20.6
 ARG BUILDARGS
 ARG $GITLAB_PROXY
 
diff --git a/applications/venv-manager/venv-manager.Dockerfile b/applications/venv-manager/venv-manager.Dockerfile
index a0e41399c56f7355af2469cc4f7e9f7b9735b665..1323b1a01d26045ec09d030bac85b954430a7b6b 100644
--- a/applications/venv-manager/venv-manager.Dockerfile
+++ b/applications/venv-manager/venv-manager.Dockerfile
@@ -1,4 +1,4 @@
-ARG GOLANG_VERSION=1.20.5
+ARG GOLANG_VERSION=1.20.6
 ARG BUILDARGS
 ARG $GITLAB_PROXY=code.fbi.h-da.de:443/danet/dependency_proxy/containers
 
diff --git a/cli/build/ci/.test.yml b/cli/build/ci/.test.yml
index efad0a38837d1b054298c53a4ab2264a52f7869b..dbc634dcba9b5f95a43aa7d2e1657bc385aeb325 100644
--- a/cli/build/ci/.test.yml
+++ b/cli/build/ci/.test.yml
@@ -1,5 +1,5 @@
 variables:
-    GOLANG_VERSION: "1.20.5"
+    GOLANG_VERSION: "1.20.6"
 test:
     image: golang:$GOLANG_VERSION
     stage: test
diff --git a/cli/cli.Dockerfile b/cli/cli.Dockerfile
index 545506e5ea67489f8b4cf6f78b6a6abfcff2d888..6bb710ed67387fd3e32d9e1b5ac4f019f385c2e8 100644
--- a/cli/cli.Dockerfile
+++ b/cli/cli.Dockerfile
@@ -1,4 +1,4 @@
-ARG GOLANG_VERSION=1.20.5
+ARG GOLANG_VERSION=1.20.6
 ARG BUILDARGS
 ARG $GITLAB_PROXY
 
diff --git a/controller/Dockerfile.debug b/controller/Dockerfile.debug
index a95924d916b03eff06f4d3389000c9afb3311fd8..9de4f65d7a9e7efa12cc634c1d13db173a89c7eb 100644
--- a/controller/Dockerfile.debug
+++ b/controller/Dockerfile.debug
@@ -1,5 +1,5 @@
 # syntax = docker/dockerfile:1.2
-ARG GOLANG_VERSION=1.20.5
+ARG GOLANG_VERSION=1.20.6
 FROM golang:$GOLANG_VERSION-alpine AS builder
 ARG GITLAB_USER
 ARG GITLAB_TOKEN
diff --git a/controller/controller.Dockerfile b/controller/controller.Dockerfile
index 85a92dc86baac1547e73fa2585cb7f5ae957d7ae..c7ef37e8bf1500081cc84288c97efa07233296cb 100644
--- a/controller/controller.Dockerfile
+++ b/controller/controller.Dockerfile
@@ -1,4 +1,4 @@
-ARG GOLANG_VERSION=1.20.5
+ARG GOLANG_VERSION=1.20.6
 ARG BUILDARGS
 ARG $GITLAB_PROXY
 
diff --git a/csbi/gnmi-target/gnmitarget.Dockerfile b/csbi/gnmi-target/gnmitarget.Dockerfile
index 5d8f760f94d41f5765433834ff18540d0d6b15f2..dfd84068649c9699f56f273101a12e1baa104ed8 100644
--- a/csbi/gnmi-target/gnmitarget.Dockerfile
+++ b/csbi/gnmi-target/gnmitarget.Dockerfile
@@ -1,4 +1,4 @@
-ARG GOLANG_VERSION=1.20.5
+ARG GOLANG_VERSION=1.20.6
 FROM golang:$GOLANG_VERSION-alpine
 RUN go install github.com/google/gnxi/gnmi_target@latest
 RUN wget https://raw.githubusercontent.com/google/gnxi/master/gnmi_target/openconfig-openflow.json
diff --git a/csbi/resources/Dockerfile b/csbi/resources/Dockerfile
index 4e3437e331dac15580fcddd066e8cc6103bee4a4..85140b52996920ed7ae9c0070b352cd76b5dcd44 100644
--- a/csbi/resources/Dockerfile
+++ b/csbi/resources/Dockerfile
@@ -1,5 +1,5 @@
 # syntax = docker/dockerfile:1.2
-ARG GOLANG_VERSION=1.20.5
+ARG GOLANG_VERSION=1.20.6
 FROM golang:$GOLANG_VERSION-alpine AS installer
 ARG GITLAB_USER
 ARG GITLAB_TOKEN
diff --git a/lab-vm/vm-with-packer/scripts/setup.sh b/lab-vm/vm-with-packer/scripts/setup.sh
index 39018105e9e0053baabe8a42a44e8df81a2e3531..363285e8e935a3a1987edff27c5e68a5a9852c0c 100644
--- a/lab-vm/vm-with-packer/scripts/setup.sh
+++ b/lab-vm/vm-with-packer/scripts/setup.sh
@@ -5,9 +5,9 @@ sudo apt update
 sudo apt upgrade -y
 
 # Install go
-wget https://go.dev/dl/go1.20.5.linux-amd64.tar.gz
-sudo tar -C /usr/local/ -xzf go1.20.5.linux-amd64.tar.gz
-rm go1.20.5.linux-amd64.tar.gz
+wget https://go.dev/dl/go1.20.6.linux-amd64.tar.gz
+sudo tar -C /usr/local/ -xzf go1.20.6.linux-amd64.tar.gz
+rm go1.20.6.linux-amd64.tar.gz
 echo "export PATH=$PATH:/usr/local/go/bin" >>/home/gosdn/.profile
 echo "export GOPATH=$HOME/go " >>/home/gosdn/.profile
 source /home/gosdn/.profile
diff --git a/lab-vm/vm-with-vagrant/Vagrantfile b/lab-vm/vm-with-vagrant/Vagrantfile
index 61d1f9ecea7812008bf94202bf347ece36bd883d..83d7964d23e6be5d4d82d3bb9f408b809c2ec143 100644
--- a/lab-vm/vm-with-vagrant/Vagrantfile
+++ b/lab-vm/vm-with-vagrant/Vagrantfile
@@ -37,9 +37,9 @@ Vagrant.configure(2) do |config|
     zip
     apt-get autoremove -y
     ####### installing go #######
-    wget https://go.dev/dl/go1.20.5.linux-amd64.tar.gz
-    rm -rf /usr/local/go && sudo tar -C /usr/local -xzf go1.20.5.linux-amd64.tar.gz
-    rm go1.20.5.linux-amd64.tar.gz
+    wget https://go.dev/dl/go1.20.6.linux-amd64.tar.gz
+    rm -rf /usr/local/go && sudo tar -C /usr/local -xzf go1.20.6.linux-amd64.tar.gz
+    rm go1.20.6.linux-amd64.tar.gz
     echo 'export PATH=$PATH:/usr/local/go/bin' >> /home/vagrant/.profile
     echo 'export GOPATH=$HOME/go' >> /home/vagrant/.profile
     source /home/vagrant/.profile