diff --git a/images/linux/Ubuntu1804-README.md b/images/linux/Ubuntu1804-README.md
index 066573d04d27..98f4c5ebffbb 100644
--- a/images/linux/Ubuntu1804-README.md
+++ b/images/linux/Ubuntu1804-README.md
@@ -1,21 +1,21 @@
 | Announcements |
 |-|
-| [[ubuntu] GCC and Gfortran 11 will be removed on May, 31](https://github.com/actions/virtual-environments/issues/3467) |
 | [[Ubuntu] .NET SDK pre-installation policy will be changed on June 14](https://github.com/actions/virtual-environments/issues/3338) |
 | [Ubuntu 16.04 environment will be removed on September 20, 2021](https://github.com/actions/virtual-environments/issues/3287) |
 ***
 # Ubuntu 18.04.5 LTS
-- Linux kernel version: 5.4.0-1047-azure
-- Image Version: 20210531.0
+- Linux kernel version: 5.4.0-1048-azure
+- Image Version: 20210606.1
 
 ## Installed Software
 ### Language and Runtime
 - Bash 4.4.20(1)-release
 - Clang 9.0.0
 - Clang-format 9.0.0
-- Erlang 24.0.1 (Eshell 12.0.1)
-- GNU C++ 7.5.0, 9.3.0, 10.3.0
-- GNU Fortran 7.5.0, 9.3.0, 10.3.0
+- Erlang 24.0.2 (Eshell 12.0.2)
+- Erlang rebar3 3.16.1
+- GNU C++ 7.5.0, 9.4.0, 10.3.0
+- GNU Fortran 7.5.0, 9.4.0, 10.3.0
 - Julia 1.6.1
 - Mono 6.12.0.122 (apt source repository: https://download.mono-project.com/repo/ubuntu stable-bionic main)
 - MSBuild 16.6.0.15201 (from /usr/lib/mono/msbuild/15.0/bin/MSBuild.dll)
@@ -36,7 +36,7 @@
 - Pip3 9.0.1
 - Pipx 0.16.3
 - RubyGems 2.7.6
-- Vcpkg  (build from master \<7bc5b8c>)
+- Vcpkg  (build from master \<b2544fd>)
 - Yarn 1.22.10
 
 #### Environment variables
@@ -49,7 +49,7 @@
 - Ant 1.10.5
 - Gradle 7.0.2
 - Maven 3.8.1
-- Sbt 1.5.2
+- Sbt 1.5.3
 
 ### Tools
 - Ansible 2.10.10
@@ -69,7 +69,7 @@
 - Git-ftp 1.3.1
 - Haveged 1.9.1
 - Heroku 7.54.0
-- HHVM (HipHop VM) 4.111.0
+- HHVM (HipHop VM) 4.112.0
 - jq 1.5
 - Kind 0.11.1
 - Kubectl 1.20.1-5-g76a04fc
@@ -84,28 +84,28 @@
 - Packer 1.7.2
 - PhantomJS 2.1.1
 - Podman 3.0.1 (apt source repository: https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable)
-- Pulumi 3.3.1
+- Pulumi 3.4.0
 - R 4.1.0
 - Skopeo 1.2.2 (apt source repository: https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable)
 - Sphinx Open Source Search Server 2.2.11
 - SVN 1.9.7
-- Terraform 0.15.4
+- Terraform 0.15.5
 - yamllint 1.26.1
 - zstd 1.5.0 (homebrew)
 
 ### CLI Tools
-- Alibaba Cloud CLI 3.0.77
-- AWS CLI 1.19.84
+- Alibaba Cloud CLI 3.0.79
+- AWS CLI 1.19.88
 - AWS CLI Session manager plugin 1.2.54.0
-- AWS SAM CLI 1.23.0
-- Azure CLI (azure-cli) 2.24.0 (installation method: https://docs.microsoft.com/en-us/cli/azure/install-azure-cli-linux?pivots=apt)
+- AWS SAM CLI 1.24.0
+- Azure CLI (azure-cli) 2.24.2 (installation method: https://docs.microsoft.com/en-us/cli/azure/install-azure-cli-linux?pivots=apt)
 - Azure CLI (azure-devops) 0.18.0
-- GitHub CLI 1.10.3
-- Google Cloud SDK 342.0.0 (apt source repository: https://packages.cloud.google.com/apt)
+- GitHub CLI 1.11.0
+- Google Cloud SDK 343.0.0 (apt source repository: https://packages.cloud.google.com/apt)
 - Hub CLI 2.14.2
-- Netlify CLI 3.32.5
-- OpenShift CLI 4.7.12
-- ORAS CLI 0.11.1
+- Netlify CLI 3.35.1
+- OpenShift CLI 4.7.13
+- ORAS CLI 0.12.0
 - Vercel CLI 23.0.0
 
 ### Java
@@ -118,10 +118,12 @@
 ### PHP
 | Tool     | Version                           |
 | -------- | --------------------------------- |
-| PHP      | 7.1.33 7.2.34 7.3.28 7.4.18 8.0.5 |
-| Composer | 2.0.14                            |
-| PHPUnit  | 8.5.15                            |
-
+| PHP      | 7.1.33 7.2.34 7.3.28 7.4.20 8.0.7 |
+| Composer | 2.1.1                             |
+| PHPUnit  | 8.5.16                            |
+```
+    Both Xdebug and PCOV extensions are installed, but only Xdebug is enabled.
+```
 ### Haskell
 - Cabal 3.4.0.0
 - GHC 9.0.1 (apt source repository: ppa:hvr/ghc)
@@ -145,7 +147,7 @@
 ### Browsers and Drivers
 - Google Chrome 91.0.4472.77
 - ChromeDriver 91.0.4472.19
-- Mozilla Firefox 88.0.1
+- Mozilla Firefox 89.0
 - Geckodriver 0.29.1
 - Chromium 91.0.4472.0
 
@@ -177,7 +179,7 @@
 #### Go
 - 1.13.15
 - 1.14.15
-- 1.15.12
+- 1.15.13
 
 #### Node.js
 - 10.24.1
@@ -208,7 +210,7 @@
 | --------------- | ----------------------------------- | ------------ |
 | GOROOT_1_13_X64 | /opt/hostedtoolcache/go/1.13.15/x64 | x64          |
 | GOROOT_1_14_X64 | /opt/hostedtoolcache/go/1.14.15/x64 | x64          |
-| GOROOT_1_15_X64 | /opt/hostedtoolcache/go/1.15.12/x64 | x64          |
+| GOROOT_1_15_X64 | /opt/hostedtoolcache/go/1.15.13/x64 | x64          |
 
 ### PowerShell Tools
 - PowerShell 7.1.3