diff --git a/checkstyle-tester/projects-to-test-on-for-github-action.properties b/checkstyle-tester/projects-to-test-on-for-github-action.properties
index 8d212b3d..d44c0be0 100644
--- a/checkstyle-tester/projects-to-test-on-for-github-action.properties
+++ b/checkstyle-tester/projects-to-test-on-for-github-action.properties
@@ -26,7 +26,7 @@ Orekit|git|https://github.com/CS-SI/Orekit|8.0.1||
 apache-ant|git|https://github.com/apache/ant|ANT_194|
 apache-jsecurity|git|https://github.com/apache/jsecurity|c2ac5b90a467aedb04b52ae50a99e83207d847b3||
 android-launcher|git|https://github.com/android/platform_packages_apps_launcher|android-2.1_r2.1p2||
-apache-struts|git|https://github.com/apache/struts.git|master|
+apache-struts|git|https://github.com/apache/struts.git|main|
 
 # Projects which contain a lot of labmda expressions
 infinispan|git|https://github.com/infinispan/infinispan|7.2.5.Final||