diff --git a/src/main/java/org/codelibs/fess/helper/ProtocolHelper.java b/src/main/java/org/codelibs/fess/helper/ProtocolHelper.java
index ae86271c0..6866f8bb0 100644
--- a/src/main/java/org/codelibs/fess/helper/ProtocolHelper.java
+++ b/src/main/java/org/codelibs/fess/helper/ProtocolHelper.java
@@ -20,14 +20,14 @@
 
 import java.util.Arrays;
 
-import javax.annotation.PostConstruct;
-
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.codelibs.core.lang.StringUtil;
 import org.codelibs.fess.mylasta.direction.FessConfig;
 import org.codelibs.fess.util.ComponentUtil;
 
+import jakarta.annotation.PostConstruct;
+
 public class ProtocolHelper {
     private static final Logger logger = LogManager.getLogger(ProtocolHelper.class);