diff --git a/package-lock.json b/package-lock.json
index 9d66c4aa..7d4d09f8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "survey-vue": "^1.7.23",
         "vue": "^2.6.11",
         "vue-class-component": "^7.2.5",
-        "vue-i18n": "^8.27.0",
+        "vue-i18n": "^9.2.2",
         "vue-property-decorator": "^8.4.2",
         "vue-router": "^3.5.1",
         "vue-search-select": "^2.9.3",
@@ -2091,6 +2091,63 @@
         "webpack": "^4.0.0"
       }
     },
+    "node_modules/@intlify/core-base": {
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/@intlify/core-base/-/core-base-9.2.2.tgz",
+      "integrity": "sha512-JjUpQtNfn+joMbrXvpR4hTF8iJQ2sEFzzK3KIESOx+f+uwIjgw20igOyaIdhfsVVBCds8ZM64MoeNSx+PHQMkA==",
+      "dependencies": {
+        "@intlify/devtools-if": "9.2.2",
+        "@intlify/message-compiler": "9.2.2",
+        "@intlify/shared": "9.2.2",
+        "@intlify/vue-devtools": "9.2.2"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
+    "node_modules/@intlify/devtools-if": {
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/@intlify/devtools-if/-/devtools-if-9.2.2.tgz",
+      "integrity": "sha512-4ttr/FNO29w+kBbU7HZ/U0Lzuh2cRDhP8UlWOtV9ERcjHzuyXVZmjyleESK6eVP60tGC9QtQW9yZE+JeRhDHkg==",
+      "dependencies": {
+        "@intlify/shared": "9.2.2"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
+    "node_modules/@intlify/message-compiler": {
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/@intlify/message-compiler/-/message-compiler-9.2.2.tgz",
+      "integrity": "sha512-IUrQW7byAKN2fMBe8z6sK6riG1pue95e5jfokn8hA5Q3Bqy4MBJ5lJAofUsawQJYHeoPJ7svMDyBaVJ4d0GTtA==",
+      "dependencies": {
+        "@intlify/shared": "9.2.2",
+        "source-map": "0.6.1"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
+    "node_modules/@intlify/shared": {
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/@intlify/shared/-/shared-9.2.2.tgz",
+      "integrity": "sha512-wRwTpsslgZS5HNyM7uDQYZtxnbI12aGiBZURX3BTR9RFIKKRWpllTsgzHWvj3HKm3Y2Sh5LPC1r0PDCKEhVn9Q==",
+      "engines": {
+        "node": ">= 14"
+      }
+    },
+    "node_modules/@intlify/vue-devtools": {
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/@intlify/vue-devtools/-/vue-devtools-9.2.2.tgz",
+      "integrity": "sha512-+dUyqyCHWHb/UcvY1MlIpO87munedm3Gn6E9WWYdWrMuYLcoIoOEVDWSS8xSwtlPU+kA+MEQTP6Q1iI/ocusJg==",
+      "dependencies": {
+        "@intlify/core-base": "9.2.2",
+        "@intlify/shared": "9.2.2"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
     "node_modules/@jest/console": {
       "version": "24.9.0",
       "resolved": "https://registry.npmjs.org/@jest/console/-/console-24.9.0.tgz",
@@ -4048,6 +4105,11 @@
       "integrity": "sha1-M7QHd3VMZDJXPBIMw4CLvRDUfwQ=",
       "dev": true
     },
+    "node_modules/@vue/devtools-api": {
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/@vue/devtools-api/-/devtools-api-6.5.0.tgz",
+      "integrity": "sha512-o9KfBeaBmCKl10usN4crU53fYtC1r7jJwdGKjPT24t348rHxgfpZ0xL3Xm/gLUYnc0oTp8LAmrxOeLyu6tbk2Q=="
+    },
     "node_modules/@vue/eslint-config-prettier": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/@vue/eslint-config-prettier/-/eslint-config-prettier-4.0.1.tgz",
@@ -19810,7 +19872,6 @@
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
       "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-      "dev": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -21638,9 +21699,21 @@
       "dev": true
     },
     "node_modules/vue-i18n": {
-      "version": "8.27.0",
-      "resolved": "https://registry.npmjs.org/vue-i18n/-/vue-i18n-8.27.0.tgz",
-      "integrity": "sha512-SX35iJHL5PJ4Gfh0Mo/q0shyHiI2V6Zkh51c+k8E9O1RKv5BQyYrCxRzpvPrsIOJEnLaeiovet3dsUB0e/kDzw=="
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/vue-i18n/-/vue-i18n-9.2.2.tgz",
+      "integrity": "sha512-yswpwtj89rTBhegUAv9Mu37LNznyu3NpyLQmozF3i1hYOhwpG8RjcjIFIIfnu+2MDZJGSZPXaKWvnQA71Yv9TQ==",
+      "dependencies": {
+        "@intlify/core-base": "9.2.2",
+        "@intlify/shared": "9.2.2",
+        "@intlify/vue-devtools": "9.2.2",
+        "@vue/devtools-api": "^6.2.1"
+      },
+      "engines": {
+        "node": ">= 14"
+      },
+      "peerDependencies": {
+        "vue": "^3.0.0"
+      }
     },
     "node_modules/vue-jest": {
       "version": "3.0.7",
@@ -24628,6 +24701,48 @@
         "postcss": "^7.0.0"
       }
     },
+    "@intlify/core-base": {
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/@intlify/core-base/-/core-base-9.2.2.tgz",
+      "integrity": "sha512-JjUpQtNfn+joMbrXvpR4hTF8iJQ2sEFzzK3KIESOx+f+uwIjgw20igOyaIdhfsVVBCds8ZM64MoeNSx+PHQMkA==",
+      "requires": {
+        "@intlify/devtools-if": "9.2.2",
+        "@intlify/message-compiler": "9.2.2",
+        "@intlify/shared": "9.2.2",
+        "@intlify/vue-devtools": "9.2.2"
+      }
+    },
+    "@intlify/devtools-if": {
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/@intlify/devtools-if/-/devtools-if-9.2.2.tgz",
+      "integrity": "sha512-4ttr/FNO29w+kBbU7HZ/U0Lzuh2cRDhP8UlWOtV9ERcjHzuyXVZmjyleESK6eVP60tGC9QtQW9yZE+JeRhDHkg==",
+      "requires": {
+        "@intlify/shared": "9.2.2"
+      }
+    },
+    "@intlify/message-compiler": {
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/@intlify/message-compiler/-/message-compiler-9.2.2.tgz",
+      "integrity": "sha512-IUrQW7byAKN2fMBe8z6sK6riG1pue95e5jfokn8hA5Q3Bqy4MBJ5lJAofUsawQJYHeoPJ7svMDyBaVJ4d0GTtA==",
+      "requires": {
+        "@intlify/shared": "9.2.2",
+        "source-map": "0.6.1"
+      }
+    },
+    "@intlify/shared": {
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/@intlify/shared/-/shared-9.2.2.tgz",
+      "integrity": "sha512-wRwTpsslgZS5HNyM7uDQYZtxnbI12aGiBZURX3BTR9RFIKKRWpllTsgzHWvj3HKm3Y2Sh5LPC1r0PDCKEhVn9Q=="
+    },
+    "@intlify/vue-devtools": {
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/@intlify/vue-devtools/-/vue-devtools-9.2.2.tgz",
+      "integrity": "sha512-+dUyqyCHWHb/UcvY1MlIpO87munedm3Gn6E9WWYdWrMuYLcoIoOEVDWSS8xSwtlPU+kA+MEQTP6Q1iI/ocusJg==",
+      "requires": {
+        "@intlify/core-base": "9.2.2",
+        "@intlify/shared": "9.2.2"
+      }
+    },
     "@jest/console": {
       "version": "24.9.0",
       "resolved": "https://registry.npmjs.org/@jest/console/-/console-24.9.0.tgz",
@@ -26241,6 +26356,11 @@
         }
       }
     },
+    "@vue/devtools-api": {
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/@vue/devtools-api/-/devtools-api-6.5.0.tgz",
+      "integrity": "sha512-o9KfBeaBmCKl10usN4crU53fYtC1r7jJwdGKjPT24t348rHxgfpZ0xL3Xm/gLUYnc0oTp8LAmrxOeLyu6tbk2Q=="
+    },
     "@vue/eslint-config-prettier": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/@vue/eslint-config-prettier/-/eslint-config-prettier-4.0.1.tgz",
@@ -38986,8 +39106,7 @@
     "source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-      "dev": true
+      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
     },
     "source-map-resolve": {
       "version": "0.5.2",
@@ -40450,9 +40569,15 @@
       "dev": true
     },
     "vue-i18n": {
-      "version": "8.27.0",
-      "resolved": "https://registry.npmjs.org/vue-i18n/-/vue-i18n-8.27.0.tgz",
-      "integrity": "sha512-SX35iJHL5PJ4Gfh0Mo/q0shyHiI2V6Zkh51c+k8E9O1RKv5BQyYrCxRzpvPrsIOJEnLaeiovet3dsUB0e/kDzw=="
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/vue-i18n/-/vue-i18n-9.2.2.tgz",
+      "integrity": "sha512-yswpwtj89rTBhegUAv9Mu37LNznyu3NpyLQmozF3i1hYOhwpG8RjcjIFIIfnu+2MDZJGSZPXaKWvnQA71Yv9TQ==",
+      "requires": {
+        "@intlify/core-base": "9.2.2",
+        "@intlify/shared": "9.2.2",
+        "@intlify/vue-devtools": "9.2.2",
+        "@vue/devtools-api": "^6.2.1"
+      }
     },
     "vue-jest": {
       "version": "3.0.7",
@@ -41649,4 +41774,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/package.json b/package.json
index 2c00d22b..5473a96a 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "survey-vue": "^1.7.23",
     "vue": "^2.6.11",
     "vue-class-component": "^7.2.5",
-    "vue-i18n": "^8.27.0",
+    "vue-i18n": "^9.2.2",
     "vue-property-decorator": "^8.4.2",
     "vue-router": "^3.5.1",
     "vue-search-select": "^2.9.3",