diff --git a/php/psalm-baseline.xml b/php/psalm-baseline.xml
index 19d94ff7..13cad7ad 100644
--- a/php/psalm-baseline.xml
+++ b/php/psalm-baseline.xml
@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<files psalm-version="5.20.0@3f284e96c9d9be6fe6b15c79416e1d1903dcfef4"/>
+<files psalm-version="5.21.1@8c473e2437be8b6a8fd8f630f0f11a16b114c494"/>