diff --git a/package.json b/package.json
index 2c91187c..b173c9e5 100644
--- a/package.json
+++ b/package.json
@@ -143,7 +143,7 @@
     "ts-node": "^8.10.2",
     "tslint": "^5.11.0",
     "typescript": "^4.1.2",
-    "vscode-languageserver-types": "^3.14.0"
+    "vscode-languageserver-types": "^3.17.1"
   },
   "dependencies": {
     "date-fns": "^2.0.0-alpha.24",
diff --git a/yarn.lock b/yarn.lock
index 822604b2..e63f2f92 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7421,10 +7421,10 @@ vm-browserify@0.0.4:
   dependencies:
     indexof "0.0.1"
 
-vscode-languageserver-types@^3.14.0:
-  version "3.14.0"
-  resolved "https://registry.yarnpkg.com/vscode-languageserver-types/-/vscode-languageserver-types-3.14.0.tgz#d3b5952246d30e5241592b6dde8280e03942e743"
-  integrity sha512-lTmS6AlAlMHOvPQemVwo3CezxBp0sNB95KNPkqp3Nxd5VFEnuG1ByM0zlRWos0zjO3ZWtkvhal0COgiV1xIA4A==
+vscode-languageserver-types@^3.17.1:
+  version "3.17.1"
+  resolved "https://registry.yarnpkg.com/vscode-languageserver-types/-/vscode-languageserver-types-3.17.1.tgz#c2d87fa7784f8cac389deb3ff1e2d9a7bef07e16"
+  integrity sha512-K3HqVRPElLZVVPtMeKlsyL9aK0GxGQpvtAUTfX4k7+iJ4mc1M+JM+zQwkgGy2LzY0f0IAafe8MKqIkJrxfGGjQ==
 
 w3c-hr-time@^1.0.1:
   version "1.0.1"