diff --git a/.github/workflows/integrate.yaml b/.github/workflows/integrate.yaml
index 3e171b8..7e1dc3b 100644
--- a/.github/workflows/integrate.yaml
+++ b/.github/workflows/integrate.yaml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "7.3"
+          - "7.4"
 
         dependencies:
           - "locked"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b48aac0..5825414 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ For a full diff see [`2.0.1...main`][2.0.1...main].
 - Dropped support for PHP 7.0 ([#60]), by [@localheinz]
 - Dropped support for PHP 7.1 ([#61]), by [@localheinz]
 - Dropped support for PHP 7.2 ([#62]), by [@localheinz]
+- Dropped support for PHP 7.3 ([#63]), by [@localheinz]
 
 ## [`2.0.1`][2.0.1]
 
@@ -94,6 +95,7 @@ For a full diff see [`1091250...v1.0.0`][1091250...v1.0.0].
 [#60]: https://github.com/teapot-php/status-code/pull/60
 [#61]: https://github.com/teapot-php/status-code/pull/61
 [#62]: https://github.com/teapot-php/status-code/pull/62
+[#63]: https://github.com/teapot-php/status-code/pull/63
 
 [@jtheuerkauf]: https://github.com/jtheuerkauf
 [@localheinz]: https://github.com/localheinz
diff --git a/composer.json b/composer.json
index fb1e02e..5be5b28 100644
--- a/composer.json
+++ b/composer.json
@@ -18,14 +18,14 @@
     }
   ],
   "require": {
-    "php": "~7.3.0 || ~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0"
+    "php": "~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0"
   },
   "require-dev": {
     "squizlabs/php_codesniffer": "^3.7.2"
   },
   "config": {
     "platform": {
-      "php": "7.3.33"
+      "php": "7.4.33"
     },
     "sort-packages": true
   },
diff --git a/composer.lock b/composer.lock
index 708624f..a600c11 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "32185e8fe8937448c1ed7f31ff17e5ac",
+    "content-hash": "7c0103003d6448c4de6d31f167f4b457",
     "packages": [],
     "packages-dev": [
         {
@@ -71,11 +71,11 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~7.3.0 || ~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0"
+        "php": "~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0"
     },
     "platform-dev": [],
     "platform-overrides": {
-        "php": "7.3.33"
+        "php": "7.4.33"
     },
     "plugin-api-version": "2.3.0"
 }