diff --git a/composer.json b/composer.json
index fe27a1928a0b9..b17734c859102 100644
--- a/composer.json
+++ b/composer.json
@@ -5,6 +5,9 @@
 		"sort-packages": true,
 		"platform": {
 			"php": "7.3"
+		},
+		"allow-plugins": {
+			"bamarni/composer-bin-plugin": true
 		}
 	},
 	"autoload": {
diff --git a/psalm-ocp.xml b/psalm-ocp.xml
index 5574ae0fb5dc1..407e08264355e 100644
--- a/psalm-ocp.xml
+++ b/psalm-ocp.xml
@@ -12,6 +12,9 @@
 	</plugins>
 	<projectFiles>
 		<directory name="lib/public"/>
+		<ignoreFiles>
+			<directory name="lib/composer/bin"/>
+		</ignoreFiles>
 	</projectFiles>
 	<extraFiles>
 		<directory name="3rdparty"/>