diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 19a4b8f734..cc63d08817 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v1
         with:
-          go-version: '1.15.2'
+          go-version: '1.15.5'
 
       - name: Set env
         shell: bash
@@ -66,7 +66,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v1
         with:
-          go-version: '1.15.2'
+          go-version: '1.15.5'
 
       - name: Set env
         shell: bash
@@ -138,7 +138,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v1
         with:
-          go-version: '1.15.2'
+          go-version: '1.15.5'
 
       - name: Set env
         shell: bash
@@ -185,7 +185,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v1
         with:
-          go-version: '1.15.2'
+          go-version: '1.15.5'
 
       - name: Set env
         shell: bash
@@ -222,7 +222,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v1
         with:
-          go-version: '1.15.2'
+          go-version: '1.15.5'
 
       - name: Set env
         shell: bash
@@ -254,7 +254,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v1
         with:
-          go-version: '1.15.2'
+          go-version: '1.15.5'
 
       - name: Set env
         shell: bash
@@ -325,7 +325,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v1
         with:
-          go-version: '1.15.2'
+          go-version: '1.15.5'
 
       - name: Set env
         shell: bash
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 7e1baaad66..98f3dd8d76 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v1
         with:
-          go-version: '1.15.2'
+          go-version: '1.15.5'
 
       - name: Checkout
         uses: actions/checkout@v1
@@ -126,7 +126,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v1
         with:
-          go-version: '1.15.2'
+          go-version: '1.15.5'
 
       - name: Checkout
         uses: actions/checkout@v1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 243c7d5d91..ff6fea8b3f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -62,7 +62,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v1
         with:
-          go-version: '1.15.2'
+          go-version: '1.15.5'
 
       - name: Set env
         shell: bash
diff --git a/.travis.yml b/.travis.yml
index 2791ee7163..362404e923 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,7 +15,7 @@ os:
 - linux
 
 go:
-  - "1.15.2"
+  - "1.15.5"
 
 env:
   - TRAVIS_GOOS=linux TEST_RUNTIME=io.containerd.runc.v1 TRAVIS_CGO_ENABLED=1 TRAVIS_DISTRO=bionic GOPROXY=direct
diff --git a/.zuul/playbooks/containerd-build/run.yaml b/.zuul/playbooks/containerd-build/run.yaml
index d537d51ea2..b1975468d8 100644
--- a/.zuul/playbooks/containerd-build/run.yaml
+++ b/.zuul/playbooks/containerd-build/run.yaml
@@ -2,7 +2,7 @@
   become: yes
   roles:
   - role: config-golang
-    go_version: '1.15.2'
+    go_version: '1.15.5'
     arch: arm64
   tasks:
   - name: Build containerd
diff --git a/Vagrantfile b/Vagrantfile
index 3d7f61515b..e44eb7c8e6 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -77,7 +77,7 @@ Vagrant.configure("2") do |config|
   config.vm.provision "install-golang", type: "shell", run: "once" do |sh|
     sh.upload_path = "/tmp/vagrant-install-golang"
     sh.env = {
-        'GO_VERSION': ENV['GO_VERSION'] || "1.15.2",
+        'GO_VERSION': ENV['GO_VERSION'] || "1.15.5",
     }
     sh.inline = <<~SHELL
         #!/usr/bin/env bash
diff --git a/contrib/Dockerfile.test b/contrib/Dockerfile.test
index f55628e1bb..bb5a01e961 100644
--- a/contrib/Dockerfile.test
+++ b/contrib/Dockerfile.test
@@ -6,7 +6,7 @@
 # 3.) $ make binaries install test
 #
 
-ARG GOLANG_VERSION=1.15.2
+ARG GOLANG_VERSION=1.15.5
 
 FROM golang:${GOLANG_VERSION} AS golang-base
 RUN mkdir -p /go/src/github.com/containerd/containerd