diff --git a/psalm-baseline.xml b/psalm-baseline.xml
new file mode 100644
index 0000000..36e6a1d
--- /dev/null
+++ b/psalm-baseline.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<files psalm-version="5.11.0@c9b192ab8400fdaf04b2b13d110575adc879aa90">
+  <file src="src/PipeSpec.php">
+    <PossiblyUnusedReturnValue>
+      <code>self</code>
+    </PossiblyUnusedReturnValue>
+  </file>
+  <file src="test/Integration/ApplicationTrait.php">
+    <PossiblyUnusedReturnValue>
+      <code>Application</code>
+    </PossiblyUnusedReturnValue>
+  </file>
+</files>
diff --git a/psalm.xml.dist b/psalm.xml.dist
index 405c63e..ef023c3 100644
--- a/psalm.xml.dist
+++ b/psalm.xml.dist
@@ -4,7 +4,10 @@
     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"
+    findUnusedBaselineEntry="true"
+    findUnusedCode="true"
     findUnusedPsalmSuppress="true"
+    errorBaseline="psalm-baseline.xml"
 >
     <projectFiles>
         <directory name="src" />