diff --git a/lib/thirdpartylibs.xml b/lib/thirdpartylibs.xml
index b0473bd7fe3..54483081e74 100644
--- a/lib/thirdpartylibs.xml
+++ b/lib/thirdpartylibs.xml
@@ -17,7 +17,7 @@
     <location>behat/axe</location>
     <name>axe-core</name>
     <description>Accessibility testing engine for websites and other HTML-based user interfaces.</description>
-    <version>4.5.1</version>
+    <version>4.6.3</version>
     <license>MPL</license>
     <licenseversion>2.0</licenseversion>
     <repository>https://github.com/dequelabs/axe-core</repository>