diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68de0d9..e90643e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,13 @@ Find changes for the upcoming release in the project's [changelog.d](https://git
 
 <!-- scriv-insert-here -->
 
+<a id='changelog-1.17.3'></a>
+## 1.17.3 (2024-06-18)
+
+### Changed
+
+- Upgrade MySQL connector to version 8.4.0
+
 <a id='changelog-1.17.2'></a>
 ## 1.17.2 (2024-06-10)
 
diff --git a/tap/build.gradle b/tap/build.gradle
index 79bd66a..918557c 100644
--- a/tap/build.gradle
+++ b/tap/build.gradle
@@ -45,7 +45,7 @@ dependencies {
 
     // Switch out this to use any supported database instead of PostgreSQL.
     // ## START CUSTOM DATABASE ##
-    implementation group: 'mysql', name: 'mysql-connector-java', version: '8.0.13'
+    implementation group: 'com.mysql', name: 'mysql-connector-j', version: '8.4.0'
     implementation 'org.postgresql:postgresql:42.2.2.jre7'
     implementation 'org.opencadc:cadc-tap-server-pg:[1.0.0,)'
     // ## END CUSTOM DATABASE ##