diff --git a/_locales/de/messages.json b/_locales/de/messages.json
index c521a9cd..5cf64204 100644
--- a/_locales/de/messages.json
+++ b/_locales/de/messages.json
@@ -8,6 +8,15 @@
       }
     }
   },
+	"styleUpdate": {
+		"message": "Möchten Sie wirklich nach Updates für \"$stylename\" suchen?",
+		"description": "Confirmation when updating a style",
+		"placeholders": {
+			"stylename": {
+				"content": "$1"
+			}
+		}
+	},
   "appliesUrlPrefixOption": {
     "message": "URLs beginnend mit",
     "description": "Option to make the style apply to the entered string as a URL prefix"
@@ -226,4 +235,4 @@
     "message": "Möchten Sie diesen Stil wirklich löschen?",
     "description": "Confirmation before deleting a style"
   }
-}
\ No newline at end of file
+}
diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 90890e7e..b9d25651 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -206,6 +206,15 @@
 		"message": "The Mozilla format of the code can be used with Stylish for Firefox and can be submitted to userstyles.org.",
 		"description": "Help info for the button that converts the code to Mozilla format"
 	},
+	"styleUpdate": {
+		"message": "Are you sure you want to update '$stylename$'?",
+		"description": "Confirmation when updating a style",
+		"placeholders": {
+			"stylename": {
+				"content": "$1"
+			}
+		}
+	},
 	"updateCheckFailBadResponseCode": {
 		"message": "Update failed - server responded with code $code$.",
 		"description": "Text that displays when an update check failed because the response code indicates an error",
diff --git a/_locales/es/messages.json b/_locales/es/messages.json
index 5d794547..8f9a9677 100644
--- a/_locales/es/messages.json
+++ b/_locales/es/messages.json
@@ -8,6 +8,15 @@
       }
     }
   },
+	"styleUpdate": {
+		"message": "¿Confirma que quiere actualizar \"$stylename$\"?",
+		"description": "Confirmation when updating a style",
+		"placeholders": {
+			"stylename": {
+				"content": "$1"
+			}
+		}
+	},
   "appliesUrlPrefixOption": {
     "message": "URL que empiezan por",
     "description": "Option to make the style apply to the entered string as a URL prefix"
@@ -226,4 +235,4 @@
     "message": "¿Seguro que quieres eliminar este estilo?",
     "description": "Confirmation before deleting a style"
   }
-}
\ No newline at end of file
+}
diff --git a/_locales/fr/messages.json b/_locales/fr/messages.json
index bf164b78..aff0b649 100644
--- a/_locales/fr/messages.json
+++ b/_locales/fr/messages.json
@@ -8,6 +8,15 @@
       }
     }
   },
+	"styleUpdate": {
+		"message": "Voulez-vous vraiment mettre à jour « $stylename$ » ?",
+		"description": "Confirmation when updating a style",
+		"placeholders": {
+			"stylename": {
+				"content": "$1"
+			}
+		}
+	},
   "appliesUrlPrefixOption": {
     "message": "URL commençant par",
     "description": "Option to make the style apply to the entered string as a URL prefix"
@@ -226,4 +235,4 @@
     "message": "Voulez-vous vraiment supprimer ce style ?",
     "description": "Confirmation before deleting a style"
   }
-}
\ No newline at end of file
+}
diff --git a/_locales/it/messages.json b/_locales/it/messages.json
index 57282af1..f5533444 100644
--- a/_locales/it/messages.json
+++ b/_locales/it/messages.json
@@ -8,6 +8,15 @@
       }
     }
   },
+	"styleUpdate": {
+		"message": "Aggiornare '$stylename$'?",
+		"description": "Confirmation when updating a style",
+		"placeholders": {
+			"stylename": {
+				"content": "$1"
+			}
+		}
+	},
   "appliesUrlPrefixOption": {
     "message": "URL che iniziano con",
     "description": "Option to make the style apply to the entered string as a URL prefix"
@@ -226,4 +235,4 @@
     "message": "Vuoi eliminare questo stile?",
     "description": "Confirmation before deleting a style"
   }
-}
\ No newline at end of file
+}
diff --git a/_locales/ja/messages.json b/_locales/ja/messages.json
index a93d7edd..1965ddd4 100644
--- a/_locales/ja/messages.json
+++ b/_locales/ja/messages.json
@@ -8,6 +8,15 @@
       }
     }
   },
+	"styleUpdate": {
+		"message": "本当に「$stylename$」を更新しますか？",
+		"description": "Confirmation when updating a style",
+		"placeholders": {
+			"stylename": {
+				"content": "$1"
+			}
+		}
+	},
   "appliesUrlPrefixOption": {
     "message": "次で始まる URL",
     "description": "Option to make the style apply to the entered string as a URL prefix"
@@ -226,4 +235,4 @@
     "message": "このスタイルを削除してもよろしいですか？",
     "description": "Confirmation before deleting a style"
   }
-}
\ No newline at end of file
+}
diff --git a/_locales/pt_BR/messages.json b/_locales/pt_BR/messages.json
index 6cb44601..15752c8a 100644
--- a/_locales/pt_BR/messages.json
+++ b/_locales/pt_BR/messages.json
@@ -8,6 +8,15 @@
       }
     }
   },
+	"styleUpdate": {
+		"message": "Tem certeza que quer atualizar \"$stylename$\"?",
+		"description": "Confirmation when updating a style",
+		"placeholders": {
+			"stylename": {
+				"content": "$1"
+			}
+		}
+	},
   "appliesUrlPrefixOption": {
     "message": "URLs que começam com",
     "description": "Option to make the style apply to the entered string as a URL prefix"
@@ -226,4 +235,4 @@
     "message": "Tem certeza de que deseja excluir este estilo?",
     "description": "Confirmation before deleting a style"
   }
-}
\ No newline at end of file
+}
diff --git a/_locales/ru/messages.json b/_locales/ru/messages.json
index 728e0383..1c2e6960 100644
--- a/_locales/ru/messages.json
+++ b/_locales/ru/messages.json
@@ -8,6 +8,15 @@
       }
     }
   },
+	"styleUpdate": {
+		"message": "Вы уверены, что хотите обновить \"$stylename$\"?",
+		"description": "Confirmation when updating a style",
+		"placeholders": {
+			"stylename": {
+				"content": "$1"
+			}
+		}
+	},
   "appliesUrlPrefixOption": {
     "message": "URL, начинающимся с",
     "description": "Option to make the style apply to the entered string as a URL prefix"
@@ -226,4 +235,4 @@
     "message": "Удалить этот стиль?",
     "description": "Confirmation before deleting a style"
   }
-}
\ No newline at end of file
+}
diff --git a/_locales/zh/messages.json b/_locales/zh/messages.json
index b9982f4b..546d1b62 100644
--- a/_locales/zh/messages.json
+++ b/_locales/zh/messages.json
@@ -155,6 +155,15 @@
 	"styleToMozillaFormatHelp": {
 		"message": "用于Firefox上的Stylish的Mozilla格式样式代码可以在 userstyles.org 上提交"
 	},
+	"styleUpdate": {
+		"message": "你確定要更新 '$stylename$' 嗎？",
+		"description": "Confirmation when updating a style",
+		"placeholders": {
+			"stylename": {
+				"content": "$1"
+			}
+		}
+	},
 	"updateCheckFailBadResponseCode": {
 		"message": "更新失败 - 服务器了返回代码 $code$.",
 		"placeholders": {
@@ -172,4 +181,4 @@
 	"updateCompleted": {
 		"message": "更新完成."
 	}
-}
\ No newline at end of file
+}
diff --git a/_locales/zh_CN/messages.json b/_locales/zh_CN/messages.json
index 924f6920..a306e749 100644
--- a/_locales/zh_CN/messages.json
+++ b/_locales/zh_CN/messages.json
@@ -8,6 +8,15 @@
       }
     }
   },
+	"styleUpdate": {
+		"message": "你确定要更新 '$stylename$' 吗？",
+		"description": "Confirmation when updating a style",
+		"placeholders": {
+			"stylename": {
+				"content": "$1"
+			}
+		}
+	},
   "appliesUrlPrefixOption": {
     "message": "网址前缀",
     "description": "Option to make the style apply to the entered string as a URL prefix"
@@ -226,4 +235,4 @@
     "message": "确定要删除此样式吗？",
     "description": "Confirmation before deleting a style"
   }
-}
\ No newline at end of file
+}