diff --git a/src/main/java/org/codelibs/fess/app/web/login/LoginForm.java b/src/main/java/org/codelibs/fess/app/web/login/LoginForm.java
index 00714eb3c..b30e14045 100644
--- a/src/main/java/org/codelibs/fess/app/web/login/LoginForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/login/LoginForm.java
@@ -15,7 +15,7 @@
  */
 package org.codelibs.fess.app.web.login;
 
-import org.hibernate.validator.constraints.NotBlank;
+import javax.validation.constraints.NotBlank;
 
 public class LoginForm {
 
diff --git a/src/main/java/org/codelibs/fess/app/web/profile/ProfileForm.java b/src/main/java/org/codelibs/fess/app/web/profile/ProfileForm.java
index 23d0b049a..5cb1aa3ba 100644
--- a/src/main/java/org/codelibs/fess/app/web/profile/ProfileForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/profile/ProfileForm.java
@@ -18,7 +18,7 @@
  */
 package org.codelibs.fess.app.web.profile;
 
-import org.hibernate.validator.constraints.NotBlank;
+import javax.validation.constraints.NotBlank;
 
 public class ProfileForm {