diff --git a/.changeset/unlucky-dots-jump.md b/.changeset/unlucky-dots-jump.md
new file mode 100644
index 0000000..cba9b2e
--- /dev/null
+++ b/.changeset/unlucky-dots-jump.md
@@ -0,0 +1,13 @@
+---
+'browserslist-config-seek': minor
+---
+
+Update supported browsers to the following:
+
+| Browser          | Oldest supported version |
+| ---------------- | ------------------------ |
+| Chrome           | 84                       |
+| Edge             | 84                       |
+| Safari           | 14.1                     |
+| Firefox          | 86                       |
+| Samsung Internet | 14.0                     |
diff --git a/index.js b/index.js
index cb5eb83..145ecaf 100644
--- a/index.js
+++ b/index.js
@@ -3,6 +3,6 @@ module.exports = [
   'Edge >= 84',
   'Safari >= 14.1',
   'iOS >= 14.1',
-  'Firefox >= 63',
+  'Firefox >= 86',
   'Samsung >= 14',
 ];