diff --git a/manifest.json b/manifest.json
index d2129f1..2e9738e 100644
--- a/manifest.json
+++ b/manifest.json
@@ -22,7 +22,7 @@
     "multi_instance": true,
     "services": [
         "nginx",
-        "php7.3-fpm",
+        "php7.4-fpm",
         "mysql"
     ],
     "arguments": {
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 894acdb..5b83593 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,7 +5,7 @@
 #=================================================
 
 # dependencies used by the app
-pkg_dependencies="php$YNH_DEFAULT_PHP_VERSION-fpm php$YNH_DEFAULT_PHP_VERSION-mbstring"
+pkg_dependencies="php7.4-fpm php7.4-mbstring"
 app_dependencies="gemserv"
 
 #=================================================