diff --git a/package-lock.json b/package-lock.json
index b511a25f2..ea27cf9e0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,7 +29,7 @@
                 "@types/node": "^18.17.3",
                 "@types/vscode": "^1.81.0",
                 "@vitest/coverage-v8": "^0.34.1",
-                "@vitest/ui": "^0.34.1",
+                "@vitest/ui": "^0.34.3",
                 "langium-cli": "^1.2.1",
                 "typescript": "^5.1.6",
                 "vitest": "^0.34.1"
@@ -1097,12 +1097,12 @@
             }
         },
         "node_modules/@vitest/ui": {
-            "version": "0.34.1",
-            "resolved": "https://registry.npmjs.org/@vitest/ui/-/ui-0.34.1.tgz",
-            "integrity": "sha512-bwmkgMjDcMr3pg0UXLwfwZ/WI1fq2N+5DUisqHkY9bvnNRnpT6QiewtSS/VhmN61ixgNpSKbEGVboml2GLuxfA==",
+            "version": "0.34.3",
+            "resolved": "https://registry.npmjs.org/@vitest/ui/-/ui-0.34.3.tgz",
+            "integrity": "sha512-iNcOQ0xML9znOReiwpKJrTLSj5zFxmveD3VCxIJNqnsaMYpONSbSiiJLC1Y1dYlkmiHylp+ElNcUZYIMWdxRvA==",
             "dev": true,
             "dependencies": {
-                "@vitest/utils": "0.34.1",
+                "@vitest/utils": "0.34.3",
                 "fast-glob": "^3.3.0",
                 "fflate": "^0.8.0",
                 "flatted": "^3.2.7",
@@ -1117,6 +1117,20 @@
                 "vitest": ">=0.30.1 <1"
             }
         },
+        "node_modules/@vitest/ui/node_modules/@vitest/utils": {
+            "version": "0.34.3",
+            "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-0.34.3.tgz",
+            "integrity": "sha512-kiSnzLG6m/tiT0XEl4U2H8JDBjFtwVlaE8I3QfGiMFR0QvnRDfYfdP3YvTBWM/6iJDAyaPY6yVQiCTUc7ZzTHA==",
+            "dev": true,
+            "dependencies": {
+                "diff-sequences": "^29.4.3",
+                "loupe": "^2.3.6",
+                "pretty-format": "^29.5.0"
+            },
+            "funding": {
+                "url": "https://opencollective.com/vitest"
+            }
+        },
         "node_modules/@vitest/utils": {
             "version": "0.34.1",
             "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-0.34.1.tgz",
@@ -6097,18 +6111,31 @@
             }
         },
         "@vitest/ui": {
-            "version": "0.34.1",
-            "resolved": "https://registry.npmjs.org/@vitest/ui/-/ui-0.34.1.tgz",
-            "integrity": "sha512-bwmkgMjDcMr3pg0UXLwfwZ/WI1fq2N+5DUisqHkY9bvnNRnpT6QiewtSS/VhmN61ixgNpSKbEGVboml2GLuxfA==",
+            "version": "0.34.3",
+            "resolved": "https://registry.npmjs.org/@vitest/ui/-/ui-0.34.3.tgz",
+            "integrity": "sha512-iNcOQ0xML9znOReiwpKJrTLSj5zFxmveD3VCxIJNqnsaMYpONSbSiiJLC1Y1dYlkmiHylp+ElNcUZYIMWdxRvA==",
             "dev": true,
             "requires": {
-                "@vitest/utils": "0.34.1",
+                "@vitest/utils": "0.34.3",
                 "fast-glob": "^3.3.0",
                 "fflate": "^0.8.0",
                 "flatted": "^3.2.7",
                 "pathe": "^1.1.1",
                 "picocolors": "^1.0.0",
                 "sirv": "^2.0.3"
+            },
+            "dependencies": {
+                "@vitest/utils": {
+                    "version": "0.34.3",
+                    "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-0.34.3.tgz",
+                    "integrity": "sha512-kiSnzLG6m/tiT0XEl4U2H8JDBjFtwVlaE8I3QfGiMFR0QvnRDfYfdP3YvTBWM/6iJDAyaPY6yVQiCTUc7ZzTHA==",
+                    "dev": true,
+                    "requires": {
+                        "diff-sequences": "^29.4.3",
+                        "loupe": "^2.3.6",
+                        "pretty-format": "^29.5.0"
+                    }
+                }
             }
         },
         "@vitest/utils": {
diff --git a/package.json b/package.json
index 5336740c0..c2b4f8699 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
         "@types/node": "^18.17.3",
         "@types/vscode": "^1.81.0",
         "@vitest/coverage-v8": "^0.34.1",
-        "@vitest/ui": "^0.34.1",
+        "@vitest/ui": "^0.34.3",
         "langium-cli": "^1.2.1",
         "typescript": "^5.1.6",
         "vitest": "^0.34.1"