diff --git a/.github/workflows/unit_race.yml b/.github/workflows/unit_race.yml
index b1ecaad7bd8..ea6760647ec 100644
--- a/.github/workflows/unit_race.yml
+++ b/.github/workflows/unit_race.yml
@@ -8,7 +8,7 @@ jobs:
 
   build:
     name: Unit Test (Race)
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - name: Check if workflow needs to be skipped
       id: skip-workflow
@@ -60,10 +60,10 @@ jobs:
         export DEBIAN_FRONTEND="noninteractive"
         sudo apt-get update
 
-        # mysql57
+        # mysql80
         sudo apt-get install -y mysql-server mysql-client
 
-        sudo apt-get install -y make unzip g++ curl git wget ant openjdk-8-jdk eatmydata
+        sudo apt-get install -y make unzip g++ curl git wget ant openjdk-11-jdk eatmydata
         sudo service mysql stop
         sudo bash -c "echo '/usr/sbin/mysqld { }' > /etc/apparmor.d/usr.sbin.mysqld" # https://bugs.launchpad.net/ubuntu/+source/mariadb-10.1/+bug/1806263
         sudo ln -s /etc/apparmor.d/usr.sbin.mysqld /etc/apparmor.d/disable/
diff --git a/.github/workflows/unit_test_mariadb103.yml b/.github/workflows/unit_test_mariadb103.yml
index 2e15f0192f5..64f5fef8143 100644
--- a/.github/workflows/unit_test_mariadb103.yml
+++ b/.github/workflows/unit_test_mariadb103.yml
@@ -8,7 +8,7 @@ concurrency:
 
 jobs:
   test:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Check if workflow needs to be skipped
@@ -64,8 +64,6 @@ jobs:
         export DEBIAN_FRONTEND="noninteractive"
         sudo apt-get update
 
-        # !mysql57
-
         # Uninstall any previously installed MySQL first
         sudo systemctl stop apparmor
         sudo DEBIAN_FRONTEND="noninteractive" apt-get remove -y --purge mysql-server mysql-client mysql-common
@@ -82,7 +80,7 @@ jobs:
         sudo apt update
         sudo DEBIAN_FRONTEND="noninteractive" apt install -y mariadb-server
 
-        sudo apt-get install -y make unzip g++ curl git wget ant openjdk-8-jdk eatmydata
+        sudo apt-get install -y make unzip g++ curl git wget ant openjdk-11-jdk eatmydata
         sudo service mysql stop
         sudo bash -c "echo '/usr/sbin/mysqld { }' > /etc/apparmor.d/usr.sbin.mysqld" # https://bugs.launchpad.net/ubuntu/+source/mariadb-10.1/+bug/1806263
         sudo ln -s /etc/apparmor.d/usr.sbin.mysqld /etc/apparmor.d/disable/
diff --git a/.github/workflows/unit_test_mysql57.yml b/.github/workflows/unit_test_mysql57.yml
index 55df704c4fc..b7d93a20c89 100644
--- a/.github/workflows/unit_test_mysql57.yml
+++ b/.github/workflows/unit_test_mysql57.yml
@@ -8,7 +8,7 @@ concurrency:
 
 jobs:
   test:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Check if workflow needs to be skipped
@@ -64,10 +64,29 @@ jobs:
         export DEBIAN_FRONTEND="noninteractive"
         sudo apt-get update
 
+        # Uninstall any previously installed MySQL first
+        sudo systemctl stop apparmor
+        sudo DEBIAN_FRONTEND="noninteractive" apt-get remove -y --purge mysql-server mysql-client mysql-common
+        sudo apt-get -y autoremove
+        sudo apt-get -y autoclean
+        sudo deluser mysql
+        sudo rm -rf /var/lib/mysql
+        sudo rm -rf /etc/mysql
+
+        # Get key to latest MySQL repo
+        sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 467B942D3A79BD29
+
         # mysql57
-        sudo apt-get install -y mysql-server mysql-client
+        wget -c https://dev.mysql.com/get/mysql-apt-config_0.8.14-1_all.deb
+        # Bionic packages are still compatible for Focal since there's no MySQL 5.7
+        # packages for Focal.
+        echo mysql-apt-config mysql-apt-config/repo-codename select bionic | sudo debconf-set-selections
+        echo mysql-apt-config mysql-apt-config/select-server select mysql-5.7 | sudo debconf-set-selections
+        sudo DEBIAN_FRONTEND="noninteractive" dpkg -i mysql-apt-config*
+        sudo apt-get update
+        sudo DEBIAN_FRONTEND="noninteractive" apt-get install -y mysql-client=5.7* mysql-community-server=5.7* mysql-server=5.7*
 
-        sudo apt-get install -y make unzip g++ curl git wget ant openjdk-8-jdk eatmydata
+        sudo apt-get install -y make unzip g++ curl git wget ant openjdk-11-jdk eatmydata
         sudo service mysql stop
         sudo bash -c "echo '/usr/sbin/mysqld { }' > /etc/apparmor.d/usr.sbin.mysqld" # https://bugs.launchpad.net/ubuntu/+source/mariadb-10.1/+bug/1806263
         sudo ln -s /etc/apparmor.d/usr.sbin.mysqld /etc/apparmor.d/disable/
diff --git a/.github/workflows/unit_test_mysql80.yml b/.github/workflows/unit_test_mysql80.yml
index 411834939ba..d89652c8b40 100644
--- a/.github/workflows/unit_test_mysql80.yml
+++ b/.github/workflows/unit_test_mysql80.yml
@@ -8,7 +8,7 @@ concurrency:
 
 jobs:
   test:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Check if workflow needs to be skipped
@@ -64,8 +64,6 @@ jobs:
         export DEBIAN_FRONTEND="noninteractive"
         sudo apt-get update
 
-        # !mysql57
-
         # Uninstall any previously installed MySQL first
         sudo systemctl stop apparmor
         sudo DEBIAN_FRONTEND="noninteractive" apt-get remove -y --purge mysql-server mysql-client mysql-common
@@ -85,7 +83,7 @@ jobs:
         sudo apt-get update
         sudo DEBIAN_FRONTEND="noninteractive" apt-get install -y mysql-server mysql-client
 
-        sudo apt-get install -y make unzip g++ curl git wget ant openjdk-8-jdk eatmydata
+        sudo apt-get install -y make unzip g++ curl git wget ant openjdk-11-jdk eatmydata
         sudo service mysql stop
         sudo bash -c "echo '/usr/sbin/mysqld { }' > /etc/apparmor.d/usr.sbin.mysqld" # https://bugs.launchpad.net/ubuntu/+source/mariadb-10.1/+bug/1806263
         sudo ln -s /etc/apparmor.d/usr.sbin.mysqld /etc/apparmor.d/disable/
diff --git a/test/templates/unit_test.tpl b/test/templates/unit_test.tpl
index b2386fb3072..423493e37cc 100644
--- a/test/templates/unit_test.tpl
+++ b/test/templates/unit_test.tpl
@@ -6,7 +6,7 @@ concurrency:
 
 jobs:
   test:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Check if workflow needs to be skipped
@@ -62,15 +62,6 @@ jobs:
         export DEBIAN_FRONTEND="noninteractive"
         sudo apt-get update
 
-        {{if (eq .Platform "mysql57")}}
-
-        # mysql57
-        sudo apt-get install -y mysql-server mysql-client
-
-        {{else}}
-
-        # !mysql57
-
         # Uninstall any previously installed MySQL first
         sudo systemctl stop apparmor
         sudo DEBIAN_FRONTEND="noninteractive" apt-get remove -y --purge mysql-server mysql-client mysql-common
@@ -80,6 +71,22 @@ jobs:
         sudo rm -rf /var/lib/mysql
         sudo rm -rf /etc/mysql
 
+        {{if (eq .Platform "mysql57")}}
+        # Get key to latest MySQL repo
+        sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 467B942D3A79BD29
+
+        # mysql57
+        wget -c https://dev.mysql.com/get/mysql-apt-config_0.8.14-1_all.deb
+        # Bionic packages are still compatible for Focal since there's no MySQL 5.7
+        # packages for Focal.
+        echo mysql-apt-config mysql-apt-config/repo-codename select bionic | sudo debconf-set-selections
+        echo mysql-apt-config mysql-apt-config/select-server select mysql-5.7 | sudo debconf-set-selections
+        sudo DEBIAN_FRONTEND="noninteractive" dpkg -i mysql-apt-config*
+        sudo apt-get update
+        sudo DEBIAN_FRONTEND="noninteractive" apt-get install -y mysql-client=5.7* mysql-community-server=5.7* mysql-server=5.7*
+
+        {{end}}
+
         {{if (eq .Platform "mysql80")}}
         # Get key to latest MySQL repo
         sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 467B942D3A79BD29
@@ -104,9 +111,7 @@ jobs:
 
         {{end}}
 
-        {{end}} {{/*outer if*/}}
-
-        sudo apt-get install -y make unzip g++ curl git wget ant openjdk-8-jdk eatmydata
+        sudo apt-get install -y make unzip g++ curl git wget ant openjdk-11-jdk eatmydata
         sudo service mysql stop
         sudo bash -c "echo '/usr/sbin/mysqld { }' > /etc/apparmor.d/usr.sbin.mysqld" # https://bugs.launchpad.net/ubuntu/+source/mariadb-10.1/+bug/1806263
         sudo ln -s /etc/apparmor.d/usr.sbin.mysqld /etc/apparmor.d/disable/