diff --git a/.github/settings.yml b/.github/settings.yml
index 8078ece..c83e434 100644
--- a/.github/settings.yml
+++ b/.github/settings.yml
@@ -14,13 +14,10 @@ branches:
         required_approving_review_count: 1
       required_status_checks:
         contexts:
-          - "Code Coverage (7.3, locked)"
-          - "Coding Standards (7.3, locked)"
-          - "Dependency Analysis (7.3, locked)"
-          - "Static Code Analysis (7.3, locked)"
-          - "Tests (7.3, highest)"
-          - "Tests (7.3, locked)"
-          - "Tests (7.3, lowest)"
+          - "Code Coverage (7.4, locked)"
+          - "Coding Standards (7.4, locked)"
+          - "Dependency Analysis (7.4, locked)"
+          - "Static Code Analysis (7.4, locked)"
           - "Tests (7.4, highest)"
           - "Tests (7.4, locked)"
           - "Tests (7.4, lowest)"
diff --git a/.github/workflows/integrate.yaml b/.github/workflows/integrate.yaml
index 0364244..7cf387f 100644
--- a/.github/workflows/integrate.yaml
+++ b/.github/workflows/integrate.yaml
@@ -20,7 +20,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "7.3"
+          - "7.4"
 
         dependencies:
           - "locked"
@@ -70,7 +70,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "7.3"
+          - "7.4"
 
         dependencies:
           - "locked"
@@ -135,7 +135,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "7.3"
+          - "7.4"
 
         dependencies:
           - "locked"
@@ -177,7 +177,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "7.3"
+          - "7.4"
 
         dependencies:
           - "locked"
@@ -222,7 +222,6 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "7.3"
           - "7.4"
           - "8.0"
           - "8.1"
diff --git a/.github/workflows/renew.yaml b/.github/workflows/renew.yaml
index 215e978..5c52016 100644
--- a/.github/workflows/renew.yaml
+++ b/.github/workflows/renew.yaml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "7.3"
+          - "7.4"
 
         dependencies:
           - "locked"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a31478..4a8a1cb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 For a full diff see [`1.0.0...main`][1.0.0...main].
 
+### Changed
+
+- Dropped support for PHP 7.3 ([#21]), by [@localheinz]
+
 ## [`1.0.0`][1.0.0]
 
 For a full diff see [`a5f2657...1.0.0`][a5f2657...1.0.0].
@@ -22,5 +26,6 @@ For a full diff see [`a5f2657...1.0.0`][a5f2657...1.0.0].
 [1.0.0...main]: https://github.com/ergebnis/data-provider/compare/1.0.0...main
 
 [#1]: https://github.com/ergebnis/data-provider/pull/1
+[#21]: https://github.com/ergebnis/data-provider/pull/21
 
 [@localheinz]: https://github.com/localheinz
diff --git a/composer.json b/composer.json
index 12d1c29..a42f47e 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     "source": "https://github.com/ergebnis/data-provider"
   },
   "require": {
-    "php": "^7.3 || ^8.0",
+    "php": "^7.4 || ^8.0",
     "fakerphp/faker": "^1.17.0"
   },
   "require-dev": {
@@ -42,7 +42,7 @@
   },
   "config": {
     "platform": {
-      "php": "7.3.32"
+      "php": "7.4.26"
     },
     "preferred-install": "dist",
     "sort-packages": true
diff --git a/composer.lock b/composer.lock
index 48eb01a..e8573bc 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": "f739ce680bd55ea6ba07620fdcea29c0",
+    "content-hash": "e18b90cd318c2d9c16b803351f6f4107",
     "packages": [
         {
             "name": "fakerphp/faker",
@@ -5346,11 +5346,11 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^7.3 || ^8.0"
+        "php": "^7.4 || ^8.0"
     },
     "platform-dev": [],
     "platform-overrides": {
-        "php": "7.3.32"
+        "php": "7.4.26"
     },
     "plugin-api-version": "2.2.0"
 }