diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 84bbb7a1..e1260242 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -10,7 +10,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest]
-        php: [8.3, 8.2]
+        php: [8.3, 8.2, 8.1]
         stability: [prefer-lowest, prefer-stable]
         carbon: [2.72, 3.0]
 
diff --git a/composer.json b/composer.json
index ea549823..5937dbf4 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         }
     ],
     "require": {
-        "php": "^8.2",
+        "php": "^8.1",
         "ext-intl": "*",
         "nesbot/carbon": "^2.72.1|^3.0"
     },