diff --git a/.github/workflows/coding-standards.yml b/.github/workflows/coding-standards.yml
index 62bcfee..005e568 100644
--- a/.github/workflows/coding-standards.yml
+++ b/.github/workflows/coding-standards.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         php:
-          - "7.4"
+          - "7.2"
 
     steps:
       - name: "Checkout"
diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index ed9a4fe..1522e2c 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -19,6 +19,8 @@ jobs:
     strategy:
       matrix:
         php:
+          - "7.2"
+          - "7.3"
           - "7.4"
           - "8.0"
           - "8.1"
@@ -63,7 +65,7 @@ jobs:
     strategy:
       matrix:
         php:
-          - "8.0"
+          - "7.4"
 
     steps:
       - name: "Checkout"
@@ -114,7 +116,7 @@ jobs:
     strategy:
       matrix:
         php:
-          - "7.4"
+          - "7.2"
 
     steps:
       - name: "Checkout"
diff --git a/composer.json b/composer.json
index dd26256..254c04d 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
         "role": "Developer (original JS version)"
     }],
     "require": {
-        "php": ">=7.4.0",
+        "php": ">=7.2.0",
         "ext-mbstring": "*",
         "psr/log": "^1.0.1 || ^2.0 || ^3.0",
         "masterminds/html5": "^2.7"