diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9364a80..28e3752 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ 'ubuntu-latest' ]
-        php-versions: [ '8.1', '8.2', '8.3', '8.4' ]
+        php-versions: [  '8.2', '8.3', '8.4', '8.5' ]
 
     steps:
       - uses: actions/checkout@master
@@ -56,7 +56,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: ['ubuntu-latest']
-        php-versions: ['8.1', '8.2', '8.3', '8.4']
+        php-versions: ['8.2', '8.3', '8.4', '8.5']
 
     steps:
       - uses: actions/checkout@master
@@ -87,7 +87,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ 'ubuntu-latest' ]
-        php-versions: [ '8.1' ]
+        php-versions: [ '8.2' ]
 
     steps:
       - uses: actions/checkout@master
diff --git a/README.md b/README.md
index e49bb8f..958c1c4 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ For Hyperwallet v3 API calls, please use the latest SDK version 1.x.x. See [here
 Prerequisites
 ------------
 
-Hyperwallet's PHP server SDK requires PHP 8.1 or later.
+Hyperwallet's PHP server SDK requires PHP 8.2 or later.
 
 Installation
 ------------
diff --git a/composer.json b/composer.json
index 01e50c2..35a95ad 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
     }
   ],
   "require": {
-    "php": ">=8.1.0",
+    "php": ">=8.2.0",
     "ext-json": "*",
     "guzzlehttp/guzzle": "^6.2.1 || ^7.0.1",
     "web-token/jwt-core": "^3.4",