diff --git a/package.json b/package.json
index ae19e29e..95aab4b5 100644
--- a/package.json
+++ b/package.json
@@ -127,7 +127,7 @@
     "semantic-release": "^19.0.5",
     "spectron": "^19.0.0",
     "ts-jest": "^26.3.0",
-    "typescript": "^3.9.7",
+    "typescript": "^4.0.0",
     "vue-cli-plugin-electron-builder": "^2.1.1",
     "vue-cli-plugin-vuetify": "^2.3.1",
     "vue-jest": "4.0.0-beta.5",
diff --git a/src/package.json b/src/package.json
index 89f6ccce..9e131ae5 100644
--- a/src/package.json
+++ b/src/package.json
@@ -114,7 +114,7 @@
     "semantic-release": "^19.0.5",
     "spectron": "^19.0.0",
     "ts-jest": "^26.3.0",
-    "typescript": "^3.9.7",
+    "typescript": "^4.0.0",
     "vue-cli-plugin-electron-builder": "^2.1.1",
     "vue-cli-plugin-vuetify": "^2.3.1",
     "vue-jest": "4.0.0-beta.5",
diff --git a/ui-react/package.json b/ui-react/package.json
index 2ff1ad00..55a960ea 100644
--- a/ui-react/package.json
+++ b/ui-react/package.json
@@ -30,7 +30,7 @@
     "react-bootstrap-typeahead": "6.2.3",
     "react-dom": "^17.0.2",
     "react-scripts": "4.0.3",
-    "typescript": "^4.1.2",
+    "typescript": "^4.0.0",
     "uuid": "^8.3.2",
     "web-vitals": "^1.0.1"
   },
diff --git a/yarn.lock b/yarn.lock
index 68a5a4a8..463e6ddb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -19971,12 +19971,7 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA==
 
-typescript@^3.9.7:
-  version "3.9.10"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.10.tgz#70f3910ac7a51ed6bef79da7800690b19bf778b8"
-  integrity sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==
-
-typescript@^4.1.2:
+typescript@^4.0.0:
   version "4.9.5"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.5.tgz#095979f9bcc0d09da324d58d03ce8f8374cbe65a"
   integrity sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==