diff --git a/psalm-strict.xml b/psalm-strict.xml
index 5e0131b1d40..5ca9b450f6a 100644
--- a/psalm-strict.xml
+++ b/psalm-strict.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0"?>
 <psalm
     errorLevel="1"
+    phpVersion="8.1"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
diff --git a/psalm.xml.dist b/psalm.xml.dist
index aa70bf36f78..dfec91c7be7 100644
--- a/psalm.xml.dist
+++ b/psalm.xml.dist
@@ -1,6 +1,7 @@
 <?xml version="1.0"?>
 <psalm
     errorLevel="2"
+    phpVersion="8.1"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"