diff --git a/Craft_Inspections.xml b/Craft_Inspections.xml
index ad8c562..b55e8c6 100644
--- a/Craft_Inspections.xml
+++ b/Craft_Inspections.xml
@@ -287,6 +287,9 @@
   <inspection_tool class="PhingDomInspection" enabled="false" level="ERROR" enabled_by_default="false" />
   <inspection_tool class="PhpComposerExtensionStubsInspection" enabled="false" level="WARNING" enabled_by_default="false" />
   <inspection_tool class="PhpIncludeInspection" enabled="false" level="WARNING" enabled_by_default="false" />
+  <inspection_tool class="PhpIncompatibleReturnTypeInspection" enabled="true" level="WARNING" enabled_by_default="true">
+    <option name="STRICT_TYPE_CHECKING" value="true" />
+  </inspection_tool>
   <inspection_tool class="PhpInternalEntityUsedInspection" enabled="false" level="WEAK WARNING" enabled_by_default="false" />
   <inspection_tool class="PhpMissingBreakStatementInspection" enabled="false" level="WARNING" enabled_by_default="false" />
   <inspection_tool class="PointlessArithmeticExpressionJS" enabled="false" level="WARNING" enabled_by_default="false" />