diff --git a/src/test/scala/gitbucket/core/view/AvatarImageProviderSpec.scala b/src/test/scala/gitbucket/core/view/AvatarImageProviderSpec.scala
index 0af96b9..27d8c7d 100644
--- a/src/test/scala/gitbucket/core/view/AvatarImageProviderSpec.scala
+++ b/src/test/scala/gitbucket/core/view/AvatarImageProviderSpec.scala
@@ -1,5 +1,6 @@
 package gitbucket.core.view
 
+import java.text.SimpleDateFormat
 import java.util.Date
 
 import gitbucket.core.model.Account
@@ -34,18 +35,22 @@
 
     it("should show uploaded image even if gravatar integration is enabled") {
       implicit val context = Context(createSystemSettings(true), None, request)
-      val provider = new AvatarImageProviderImpl(Some(createAccount(Some("icon.png"))))
+      val account = createAccount((Some("icon.png")))
+      val date = new SimpleDateFormat("yyyyMMddHHmmss").format(account.updatedDate)
+      val provider = new AvatarImageProviderImpl(Some(account))
 
       assert(provider.toHtml("user", 32).toString ==
-        "<img src=\"/user/_avatar\" class=\"avatar\" style=\"width: 32px; height: 32px;\" />")
+        s"""<img src="/user/_avatar?${date}" class="avatar" style="width: 32px; height: 32px;" />""")
     }
 
     it("should show local image for no image account if gravatar integration is disabled") {
       implicit val context = Context(createSystemSettings(false), None, request)
-      val provider = new AvatarImageProviderImpl(Some(createAccount(None)))
+      val account = createAccount(None)
+      val date = new SimpleDateFormat("yyyyMMddHHmmss").format(account.updatedDate)
+      val provider = new AvatarImageProviderImpl(Some(account))
 
       assert(provider.toHtml("user", 32).toString ==
-        "<img src=\"/user/_avatar\" class=\"avatar\" style=\"width: 32px; height: 32px;\" />")
+        s"""<img src="/user/_avatar?${date}" class="avatar" style="width: 32px; height: 32px;" />""")
     }
 
     it("should show Gravatar image for specified mail address if gravatar integration is enabled") {