diff --git a/bin/release.sh b/bin/release.sh
index 2b6a2bd..13a5f70 100755
--- a/bin/release.sh
+++ b/bin/release.sh
@@ -27,7 +27,7 @@ if [ -n "$(git status --porcelain)" ]; then
     exit 1
 fi
 
-apigen --quiet --download --title "GeoIP2 PHP API $TAG" --source ../src --destination doc/$TAG
+../vendor/bin/apigen.php --quiet --download --title "GeoIP2 PHP API $TAG" --source ../src --destination doc/$TAG
 
 PAGE=index.md
 cat <<EOF > $PAGE
diff --git a/composer.json b/composer.json
index 381d883..52abbfa 100644
--- a/composer.json
+++ b/composer.json
@@ -18,6 +18,7 @@
         "php": ">=5.3.1"
     },
     "require-dev": {
+        "apigen/apigen": "~2.8.0",
         "phpunit/phpunit": "4.1.*",
         "satooshi/php-coveralls": "dev-master"
     },