diff --git a/CHANGELOG.md b/CHANGELOG.md
index 566e53aa..1e866146 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,10 @@ _Note: Gaps between patch versions are faulty, broken or test releases._
 
 ## UNRELEASED
 
+* **Bug Fix**
+  * Fix tooltip styling in dark mode when using CSS Modules ([#688](https://github.com/webpack/webpack-bundle-analyzer/pull/688) by [@theEquinoxDev](https://github.com/theEquinoxDev))
+
+
 ## 5.1.0
 
 * **Bug Fix**
diff --git a/client/components/Tooltip.css b/client/components/Tooltip.css
index 5c72c1b9..374a3103 100644
--- a/client/components/Tooltip.css
+++ b/client/components/Tooltip.css
@@ -15,3 +15,9 @@
   opacity: 0;
   visibility: hidden;
 }
+
+:global(html[data-theme='dark']) .container {
+  background: var(--bg-primary);
+  color: var(--text-primary);
+  border: 1px solid var(--border-color);
+}