diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 47b5f70b2..d122e1e0a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,7 +29,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, ubuntu-18.04]
+        os: [ubuntu-22.04, ubuntu-20.04, ubuntu-18.04]
         compiler:
           - { cc: clang, cxx: clang++ }
           - { cc: gcc,   cxx: g++     }
@@ -37,9 +37,11 @@ jobs:
         exclude:
           # Build pull requests only with ubuntu-20.04 and without m32
           - os:  ${{ github.event_name == 'pull_request' && 'ubuntu-18.04' || 'do-not-exclude' }}
+          - os:  ${{ github.event_name == 'pull_request' && 'ubuntu-22.04' || 'do-not-exclude' }}
           - m32: ${{ github.event_name == 'pull_request' && 1              || 'do-not-exclude' }}
           # Build -m32 only on ubuntu-20.04
           - {os: ubuntu-18.04, m32: 1}
+          - {os: ubuntu-22.04, m32: 1}
         include:
           # Build GCC 10 on ubuntu-20.04
           - os: ubuntu-20.04
@@ -95,7 +97,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, ubuntu-18.04]
+        os: [ubuntu-22.04, ubuntu-20.04, ubuntu-18.04]
         compiler:
           - { cc: clang, cxx: clang++ }
           - { cc: gcc,   cxx: g++     }
@@ -104,9 +106,11 @@ jobs:
         exclude:
           # Build pull requests only with ubuntu-20.04 and without m32
           - os:  ${{ github.event_name == 'pull_request' && 'ubuntu-18.04' || 'do-not-exclude' }}
+          - os:  ${{ github.event_name == 'pull_request' && 'ubuntu-22.04' || 'do-not-exclude' }}
           - m32: ${{ github.event_name == 'pull_request' && 1              || 'do-not-exclude' }}
           # Build -m32 only on ubuntu-20.04
           - {os: ubuntu-18.04, m32: 1}
+          - {os: ubuntu-22.04, m32: 1}
         include:
           # Test with GCC 10 on ubuntu-20.04 without m32
           - {os: ubuntu-20.04, compiler: { cc: gcc-10, cxx: g++-10 }, m32: 0, suite: dist-vlt-0}
diff --git a/ci/ci-install.bash b/ci/ci-install.bash
index f258916b4..4f61f06c4 100755
--- a/ci/ci-install.bash
+++ b/ci/ci-install.bash
@@ -54,8 +54,12 @@ if [ "$CI_BUILD_STAGE_NAME" = "build" ]; then
 
   if [ "$CI_OS_NAME" = "linux" ]; then
     sudo apt-get update
-    sudo apt-get install libfl-dev libgoogle-perftools-dev ccache
-    if [ "$CI_RUNS_ON" = "ubuntu-20.04" ]; then
+    sudo apt-get install libfl-dev ccache
+    if [ "$CI_RUNS_ON" != "ubuntu-22.04" ]; then
+      # Some conflict of libunwind verison on 22.04, can live without it for now
+      sudo apt-get install libgoogle-perftools-dev
+    fi
+    if [ "$CI_RUNS_ON" = "ubuntu-20.04" ] || [ "$CI_RUNS_ON" = "ubuntu-22.04" ]; then
       sudo apt-get install libsystemc libsystemc-dev
     fi
     if [ "$COVERAGE" = 1 ]; then
@@ -85,7 +89,7 @@ elif [ "$CI_BUILD_STAGE_NAME" = "test" ]; then
     sudo apt-get update
     # libfl-dev needed for internal coverage's test runs
     sudo apt-get install gdb gtkwave lcov libfl-dev ccache
-    if [ "$CI_RUNS_ON" = "ubuntu-20.04" ]; then
+    if [ "$CI_RUNS_ON" = "ubuntu-20.04" ] || [ "$CI_RUNS_ON" = "ubuntu-22.04" ]; then
       sudo apt-get install libsystemc-dev
     fi
     if [ "$CI_M32" = 1 ]; then
diff --git a/configure.ac b/configure.ac
index cea30eb50..8c06cfc0a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -349,7 +349,7 @@ AC_SUBST(CFG_CXXFLAGS_PROFILE)
 # Flag to select newest language standard supported
 # Macros work such that first option that passes is the one we take
 # Currently enable c++17/c++14 due to packaged SystemC dependency
-# c++14 is the newest that Verilator is regressed to support
+# c++17 is the newest that Verilator is regularly tested to support
 # c++11 is the oldest that Verilator supports
 # gnu is requried for Cygwin to compile verilated.h successfully
 #_MY_CXX_CHECK_SET(CFG_CXXFLAGS_STD_NEWEST,-std=gnu++20)