diff --git a/pom.xml b/pom.xml
index c15cee96..7ce3d91a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
     <maven-checkstyle-plugin.version>3.6.0</maven-checkstyle-plugin.version>
     <maven-gpg-plugin.version>3.2.8</maven-gpg-plugin.version>
     <central-publishing-maven-plugin.version>0.11.0</central-publishing-maven-plugin.version>
-    <checkstyle.version>13.8.0</checkstyle.version>
+    <checkstyle.version>13.10.0</checkstyle.version>
     <lifecycle-mapping.version>1.0.0</lifecycle-mapping.version>
     <jjwt.version>0.13.0</jjwt.version>
     <okhttp.version>5.4.0</okhttp.version>
diff --git a/samples/xapi-server/src/main/resources/application.properties b/samples/xapi-server/src/main/resources/application.properties
index 31a5d713..0b0bb8b0 100644
--- a/samples/xapi-server/src/main/resources/application.properties
+++ b/samples/xapi-server/src/main/resources/application.properties
@@ -1,8 +1,8 @@
 # The xAPI specification has extremely strict rules for API requests/responses formatting.
-# Some activity providers do not conform to these rules. 
-# 
-# In some cases it may be desirable to turn off some or all of the rules in order to be compatible 
-# with a wider range of xAPI activity providers. However, doing this is in violation of the xAPI 
+# Some activity providers do not conform to these rules.
+#
+# In some cases it may be desirable to turn off some or all of the rules in order to be compatible
+# with a wider range of xAPI activity providers. However, doing this is in violation of the xAPI
 # specification.
 
 xapi.model.validateProperties = true