diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bb4a0a482f861edb8892cc8c5bc6b0b798a19a9d..28ecda1f87263cb423e42d2ecd5ccdcc6c326846 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,7 +25,7 @@ phpunit:
 packagist:
   stage: publish
   needs: [phpunit]
-  image: alpine/3.18
+  image: alpine:3.18
   before_script:
     - apk add --no-cache curl
   script:
diff --git a/composer.json b/composer.json
index 787aeae27a80fc30fd4313c7da78397dd30b5872..43d9082f23a9bfbd21d02a6e74b8c52d3a364b5c 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
         "bin-dir": "bin"
     },
     "require": {
-        "php": "^7.1 || ^8.0",
+        "php": "^7.4 || ^8.0",
         "ext-mbstring": "*",
         "ext-json": "*",
         "tflori/riki-framework": "1.0.0-rc.8",