diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6712d975..e18a7bc4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## Version 4.2
 * Updated dependencies
-* Updated PHP requirement to 7.2
+* Updated PHP requirement to 7.3
 
 ## Version 4.1
 * Added optional dark theme
diff --git a/README.md b/README.md
index 2a3d8a2b..a43e5faa 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Update your anime/manga list on Kitsu.io and MyAnimeList.net
 
 ### Requirements
 
-* PHP 7.2+
+* PHP 7.3+
 * PDO SQLite or PDO PostgreSQL (For collection tab)
 * GD extension for caching images
 
diff --git a/build/header_comment.txt b/build/header_comment.txt
index 52463b91..e61c8af8 100644
--- a/build/header_comment.txt
+++ b/build/header_comment.txt
@@ -3,7 +3,7 @@
  *
  * An API client for Kitsu to manage anime and manga watch lists
  *
- * PHP version 7.2
+ * PHP version 7.3
  *
  * @package     HummingbirdAnimeClient
  * @author      Timothy J. Warren <tim@timshomepage.net>
diff --git a/composer.json b/composer.json
index e8037b52..27149a55 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
 	"ext-pdo": "*",
 	"maximebf/consolekit": "^1.0",
 	"monolog/monolog": "^2.0.1",
-	"php": "^7.2",
+	"php": "^7.3",
 	"psr/http-message": "~1.0",
 	"psr/log": "~1.0",
 	"yosymfony/toml": "^1.0",