diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e911571a4..032b0693b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## HEAD
 
+* Bump CI version of MySQL from 5.7 to 8.0
 * Bump golangci-lint from 1.51.1 to 1.55.1 (developers should update to this version)
 
 ## v1.5.3
diff --git a/cloudbuild_master.yaml b/cloudbuild_master.yaml
index f3e2833866..73db4ac90e 100644
--- a/cloudbuild_master.yaml
+++ b/cloudbuild_master.yaml
@@ -2,7 +2,7 @@ timeout: 1800s
 substitutions:
   _CLUSTER_NAME: trillian-opensource-ci
   _MASTER_ZONE: us-central1-a
-  _MYSQL_TAG: "5.7"
+  _MYSQL_TAG: "8.0"
   _MYSQL_ROOT_PASSWORD: ""
   _MYSQL_PASSWORD: ""
 options:
@@ -12,20 +12,20 @@ steps:
   name : gcr.io/cloud-builders/docker
   args:
   - pull
-  - marketplace.gcr.io/google/mysql5:${_MYSQL_TAG}
+  - marketplace.gcr.io/google/mysql8:${_MYSQL_TAG}
 - id: tag_mysql
   name: gcr.io/cloud-builders/docker
   args:
   - tag
-  - marketplace.gcr.io/google/mysql5:${_MYSQL_TAG}
-  - gcr.io/${PROJECT_ID}/mysql5:${_MYSQL_TAG}
+  - marketplace.gcr.io/google/mysql8:${_MYSQL_TAG}
+  - gcr.io/${PROJECT_ID}/mysql8:${_MYSQL_TAG}
   waitFor:
   - pull_mysql
 - id: push_mysql
   name: gcr.io/cloud-builders/docker
   args:
   - push
-  - gcr.io/${PROJECT_ID}/mysql5:${_MYSQL_TAG}
+  - gcr.io/${PROJECT_ID}/mysql8:${_MYSQL_TAG}
   waitFor:
   - tag_mysql
 - id: build_db_server
diff --git a/cloudbuild_pr.yaml b/cloudbuild_pr.yaml
index a680ce56ed..05349ad19d 100644
--- a/cloudbuild_pr.yaml
+++ b/cloudbuild_pr.yaml
@@ -5,7 +5,7 @@ timeout: 1800s
 substitutions:
   _CLUSTER_NAME: trillian-opensource-ci
   _MASTER_ZONE: us-central1-a
-  _MYSQL_TAG: "5.7"
+  _MYSQL_TAG: "8.0"
   _MYSQL_ROOT_PASSWORD: ""
   _MYSQL_PASSWORD: ""
 options:
@@ -17,20 +17,20 @@ steps:
   name : gcr.io/cloud-builders/docker
   args:
   - pull
-  - marketplace.gcr.io/google/mysql5:${_MYSQL_TAG}
+  - marketplace.gcr.io/google/mysql8:${_MYSQL_TAG}
 - id: tag_mysql
   name: gcr.io/cloud-builders/docker
   args:
   - tag
-  - marketplace.gcr.io/google/mysql5:${_MYSQL_TAG}
-  - gcr.io/${PROJECT_ID}/mysql5:${_MYSQL_TAG}
+  - marketplace.gcr.io/google/mysql8:${_MYSQL_TAG}
+  - gcr.io/${PROJECT_ID}/mysql8:${_MYSQL_TAG}
   waitFor:
   - pull_mysql
 - id: push_mysql
   name: gcr.io/cloud-builders/docker
   args:
   - push
-  - gcr.io/${PROJECT_ID}/mysql5:${_MYSQL_TAG}
+  - gcr.io/${PROJECT_ID}/mysql8:${_MYSQL_TAG}
   waitFor:
   - tag_mysql
 
diff --git a/cloudbuild_tag.yaml b/cloudbuild_tag.yaml
index 37a5065705..35d9e5920b 100644
--- a/cloudbuild_tag.yaml
+++ b/cloudbuild_tag.yaml
@@ -1,6 +1,6 @@
 timeout: 1800s
 substitutions:
-  _MYSQL_TAG: "5.7"
+  _MYSQL_TAG: "8.0"
 options:
   machineType: E2_HIGHCPU_32
 steps:
@@ -8,20 +8,20 @@ steps:
   name : gcr.io/cloud-builders/docker
   args:
   - pull
-  - marketplace.gcr.io/google/mysql5:${_MYSQL_TAG}
+  - marketplace.gcr.io/google/mysql8:${_MYSQL_TAG}
 - id: tag_mysql
   name: gcr.io/cloud-builders/docker
   args:
   - tag
-  - marketplace.gcr.io/google/mysql5:${_MYSQL_TAG}
-  - gcr.io/${PROJECT_ID}/mysql5:${_MYSQL_TAG}
+  - marketplace.gcr.io/google/mysql8:${_MYSQL_TAG}
+  - gcr.io/${PROJECT_ID}/mysql8:${_MYSQL_TAG}
   waitFor:
   - pull_mysql
 - id: push_mysql
   name: gcr.io/cloud-builders/docker
   args:
   - push
-  - gcr.io/${PROJECT_ID}/mysql5:${_MYSQL_TAG}
+  - gcr.io/${PROJECT_ID}/mysql8:${_MYSQL_TAG}
   waitFor:
   - tag_mysql
 - id: build_db_server
diff --git a/examples/deployment/docker/db_server/Dockerfile b/examples/deployment/docker/db_server/Dockerfile
index 4af5e1a8ad..a113cc285d 100644
--- a/examples/deployment/docker/db_server/Dockerfile
+++ b/examples/deployment/docker/db_server/Dockerfile
@@ -1,4 +1,4 @@
-FROM gcr.io/trillian-opensource-ci/mysql5:5.7@sha256:3f355bed2d85d4ad266771b3c7ddf4251ee5d8a45afc140336d1c0cab9dc5171
+FROM gcr.io/trillian-opensource-ci/mysql8:8.0@sha256:89d1c5d48cee111cdc6348704044a60578f5c0af9dfc55b6e58e32a01906bd21
 
 # Patch the OS-level packages and remove unneeded dependencies.
 ENV DEBIAN_FRONTEND=noninteractive
diff --git a/examples/deployment/kubernetes/mysql/image/Dockerfile b/examples/deployment/kubernetes/mysql/image/Dockerfile
index 6e79feb6ff..10ead6a61f 100644
--- a/examples/deployment/kubernetes/mysql/image/Dockerfile
+++ b/examples/deployment/kubernetes/mysql/image/Dockerfile
@@ -25,7 +25,7 @@ RUN apt-get update \
 # consistently, regardless of whatever dependencies get added
 RUN groupadd -r mysql && useradd -r -g mysql mysql
 
-ENV MYSQL_VERSION 5.7
+ENV MYSQL_VERSION 8.0
 ENV TERM linux
 
 # Install perl.
diff --git a/integration/cloudbuild/docker-compose.mysql.yml b/integration/cloudbuild/docker-compose.mysql.yml
index 82b49045c8..7989e117f0 100644
--- a/integration/cloudbuild/docker-compose.mysql.yml
+++ b/integration/cloudbuild/docker-compose.mysql.yml
@@ -2,7 +2,7 @@ version: '3.1'
 
 services:
   db:
-    image: ${MYSQLD_IMAGE:-mysql:5.7}
+    image: ${MYSQLD_IMAGE:-mysql:8.0}
     restart: always
     environment:
       MYSQL_ROOT_PASSWORD: 'bananas'