diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9e9f36e..a81b909 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -15,9 +15,6 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "7.0"
-          - "7.1"
-          - "7.2"
           - "7.3"
           - "7.4"
           - "8.0"
diff --git a/composer.json b/composer.json
index 37e803d..c80bb81 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
         }
     ],
     "require": {
-        "php": ">=7.0",
+        "php": "^7.3 || ~8.0.0 || ~8.1.0",
         "ext-json": "*"
     },
     "require-dev": {