diff --git a/package-lock.json b/package-lock.json
index 9e58fa2..2bd4f76 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "pegjs-language",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
@@ -22,15 +22,47 @@
             "integrity": "sha512-QnIeyi4L2DiD9M2bAQKRzT/EQvc80qP9UL6JD5TiLlNRL1khIDg4ej4mDSRbtFrDAsRntFI1RhMvdomUThMsqg==",
             "dev": true
         },
+        "balanced-match": {
+            "version": "1.0.2",
+            "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
+            "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
+        },
+        "brace-expansion": {
+            "version": "2.0.1",
+            "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
+            "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+            "requires": {
+                "balanced-match": "^1.0.0"
+            }
+        },
+        "lru-cache": {
+            "version": "6.0.0",
+            "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+            "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+            "requires": {
+                "yallist": "^4.0.0"
+            }
+        },
+        "minimatch": {
+            "version": "5.1.6",
+            "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-5.1.6.tgz",
+            "integrity": "sha512-lKwV/1brpG6mBUFHtb7NUmtABCb2WZZmm2wNiOA5hAb8VdCS4B3dtMWyvcoViccwAW/COERjXLt0zP1zXUN26g==",
+            "requires": {
+                "brace-expansion": "^2.0.1"
+            }
+        },
         "pegjs": {
             "version": "0.10.0",
             "resolved": "https://registry.npmjs.org/pegjs/-/pegjs-0.10.0.tgz",
             "integrity": "sha1-z4uvrm7d/0tafvsYUmnqr0YQ3b0="
         },
         "semver": {
-            "version": "6.3.0",
-            "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
-            "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw=="
+            "version": "7.5.3",
+            "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.3.tgz",
+            "integrity": "sha512-QBlUtyVk/5EeHbi7X0fw6liDZc7BBmEaSYn01fMU1OUYbf6GPsbTtd8WmnqbI20SeycoHSeiybkE/q1Q+qlThQ==",
+            "requires": {
+                "lru-cache": "^6.0.0"
+            }
         },
         "typescript": {
             "version": "4.0.3",
@@ -44,12 +76,34 @@
             "integrity": "sha512-JvONPptw3GAQGXlVV2utDcHx0BiY34FupW/kI6mZ5x06ER5DdPG/tXWMVHjTNULF5uKPOUUD0SaXg5QaubJL0A=="
         },
         "vscode-languageclient": {
-            "version": "6.1.3",
-            "resolved": "https://registry.npmjs.org/vscode-languageclient/-/vscode-languageclient-6.1.3.tgz",
-            "integrity": "sha512-YciJxk08iU5LmWu7j5dUt9/1OLjokKET6rME3cI4BRpiF6HZlusm2ZwPt0MYJ0lV5y43sZsQHhyon2xBg4ZJVA==",
+            "version": "8.1.0",
+            "resolved": "https://registry.npmjs.org/vscode-languageclient/-/vscode-languageclient-8.1.0.tgz",
+            "integrity": "sha512-GL4QdbYUF/XxQlAsvYWZRV3V34kOkpRlvV60/72ghHfsYFnS/v2MANZ9P6sHmxFcZKOse8O+L9G7Czg0NUWing==",
             "requires": {
-                "semver": "^6.3.0",
-                "vscode-languageserver-protocol": "^3.15.3"
+                "minimatch": "^5.1.0",
+                "semver": "^7.3.7",
+                "vscode-languageserver-protocol": "3.17.3"
+            },
+            "dependencies": {
+                "vscode-jsonrpc": {
+                    "version": "8.1.0",
+                    "resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-8.1.0.tgz",
+                    "integrity": "sha512-6TDy/abTQk+zDGYazgbIPc+4JoXdwC8NHU9Pbn4UJP1fehUyZmM4RHp5IthX7A6L5KS30PRui+j+tbbMMMafdw=="
+                },
+                "vscode-languageserver-protocol": {
+                    "version": "3.17.3",
+                    "resolved": "https://registry.npmjs.org/vscode-languageserver-protocol/-/vscode-languageserver-protocol-3.17.3.tgz",
+                    "integrity": "sha512-924/h0AqsMtA5yK22GgMtCYiMdCOtWTSGgUOkgEDX+wk2b0x4sAfLiO4NxBxqbiVtz7K7/1/RgVrVI0NClZwqA==",
+                    "requires": {
+                        "vscode-jsonrpc": "8.1.0",
+                        "vscode-languageserver-types": "3.17.3"
+                    }
+                },
+                "vscode-languageserver-types": {
+                    "version": "3.17.3",
+                    "resolved": "https://registry.npmjs.org/vscode-languageserver-types/-/vscode-languageserver-types-3.17.3.tgz",
+                    "integrity": "sha512-SYU4z1dL0PyIMd4Vj8YOqFvHu7Hz/enbWtpfnVbJHU4Nd1YNYx8u0ennumc6h48GQNeOLxmwySmnADouT/AuZA=="
+                }
             }
         },
         "vscode-languageserver": {
@@ -78,6 +132,11 @@
             "version": "3.15.1",
             "resolved": "https://registry.npmjs.org/vscode-languageserver-types/-/vscode-languageserver-types-3.15.1.tgz",
             "integrity": "sha512-+a9MPUQrNGRrGU630OGbYVQ+11iOIovjCkqxajPa9w57Sd5ruK8WQNsslzpa0x/QJqC8kRc2DUxWjIFwoNm4ZQ=="
+        },
+        "yallist": {
+            "version": "4.0.0",
+            "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+            "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
         }
     }
 }
diff --git a/package.json b/package.json
index 02bb50a..2f444c1 100644
--- a/package.json
+++ b/package.json
@@ -76,6 +76,6 @@
         "pegjs": "^0.10.0",
         "vscode-languageserver": "^6.1.1",
         "vscode-languageserver-textdocument": "^1.0.1",
-        "vscode-languageclient": "^6.1.3"
+        "vscode-languageclient": "^8.1.0"
     }
 }