diff --git a/DSL/package-lock.json b/DSL/package-lock.json
index 0fc1b7d8b..d4fc4d79f 100644
--- a/DSL/package-lock.json
+++ b/DSL/package-lock.json
@@ -24,7 +24,7 @@
                 "safe-ds-cli": "bin/cli"
             },
             "devDependencies": {
-                "@types/node": "^18.16.18",
+                "@types/node": "^20.4.5",
                 "@types/vscode": "^1.79.1",
                 "@vitest/coverage-v8": "^0.32.4",
                 "@vitest/ui": "^0.32.4",
@@ -583,9 +583,9 @@
             "dev": true
         },
         "node_modules/@types/node": {
-            "version": "18.16.18",
-            "resolved": "https://registry.npmjs.org/@types/node/-/node-18.16.18.tgz",
-            "integrity": "sha512-/aNaQZD0+iSBAGnvvN2Cx92HqE5sZCPZtx2TsK+4nvV23fFe09jVDvpArXr2j9DnYlzuU9WuoykDDc6wqvpNcw==",
+            "version": "20.4.5",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-20.4.5.tgz",
+            "integrity": "sha512-rt40Nk13II9JwQBdeYqmbn2Q6IVTA5uPhvSO+JVqdXw/6/4glI6oR9ezty/A9Hg5u7JH4OmYmuQ+XvjKm0Datg==",
             "dev": true
         },
         "node_modules/@types/vscode": {
@@ -2803,9 +2803,9 @@
             "dev": true
         },
         "@types/node": {
-            "version": "18.16.18",
-            "resolved": "https://registry.npmjs.org/@types/node/-/node-18.16.18.tgz",
-            "integrity": "sha512-/aNaQZD0+iSBAGnvvN2Cx92HqE5sZCPZtx2TsK+4nvV23fFe09jVDvpArXr2j9DnYlzuU9WuoykDDc6wqvpNcw==",
+            "version": "20.4.5",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-20.4.5.tgz",
+            "integrity": "sha512-rt40Nk13II9JwQBdeYqmbn2Q6IVTA5uPhvSO+JVqdXw/6/4glI6oR9ezty/A9Hg5u7JH4OmYmuQ+XvjKm0Datg==",
             "dev": true
         },
         "@types/vscode": {
diff --git a/DSL/package.json b/DSL/package.json
index 50fb0dd50..2a6fbffcf 100644
--- a/DSL/package.json
+++ b/DSL/package.json
@@ -69,7 +69,7 @@
         "vscode-uri": "^3.0.7"
     },
     "devDependencies": {
-        "@types/node": "^18.16.18",
+        "@types/node": "^20.4.5",
         "@types/vscode": "^1.79.1",
         "@vitest/coverage-v8": "^0.32.4",
         "@vitest/ui": "^0.32.4",