diff --git a/package-lock.json b/package-lock.json
index b928acc14..ef9fb44af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7263,9 +7263,9 @@
             "dev": true
         },
         "node_modules/langium": {
-            "version": "3.0.0",
-            "resolved": "https://registry.npmjs.org/langium/-/langium-3.0.0.tgz",
-            "integrity": "sha512-+Ez9EoiByeoTu/2BXmEaZ06iPNXM6thWJp02KfBO/raSMyCJ4jw7AkWWa+zBCTm0+Tw1Fj9FOxdqSskyN5nAwg==",
+            "version": "3.1.1",
+            "resolved": "https://registry.npmjs.org/langium/-/langium-3.1.1.tgz",
+            "integrity": "sha512-G40CWMBMYUPBhlV/Lk8XwZIIPO6nsYAgJJsdN39YhgzQti7s3s5G2T9L33WyOhnh9uTwIJdbnaWHkBdkupTDVQ==",
             "dependencies": {
                 "chevrotain": "~11.0.3",
                 "chevrotain-allstar": "~0.3.0",
@@ -7278,17 +7278,17 @@
             }
         },
         "node_modules/langium-cli": {
-            "version": "3.0.3",
-            "resolved": "https://registry.npmjs.org/langium-cli/-/langium-cli-3.0.3.tgz",
-            "integrity": "sha512-g6PdhEq5IiYWK/oiySILglPvFdK6ofQdzC+U7PJmFH++bDKu0DGdxjWzDauUN5WUDyVQETWKgtYDmmbcxPzN0w==",
+            "version": "3.1.0",
+            "resolved": "https://registry.npmjs.org/langium-cli/-/langium-cli-3.1.0.tgz",
+            "integrity": "sha512-bgqCtsSr4buhtL29Eh1Q+Y0yOKsXub6pzBc49VxaeBg2bI+QYNZjHYu5ynu4XGGEy6kkJJB46ecxukCme9Xr4A==",
             "dev": true,
             "dependencies": {
                 "chalk": "~5.3.0",
                 "commander": "~11.0.0",
                 "fs-extra": "~11.1.1",
                 "jsonschema": "~1.4.1",
-                "langium": "~3.0.0",
-                "langium-railroad": "~3.0.0",
+                "langium": "~3.1.0",
+                "langium-railroad": "~3.1.0",
                 "lodash": "~4.17.21"
             },
             "bin": {
@@ -7334,12 +7334,12 @@
             }
         },
         "node_modules/langium-railroad": {
-            "version": "3.0.0",
-            "resolved": "https://registry.npmjs.org/langium-railroad/-/langium-railroad-3.0.0.tgz",
-            "integrity": "sha512-GQOnQBGl5gJqzgK/4bKvJO5QhJGNnprpYH6Fghbl4FviVLHwP6yzyqiouDelLSoCadChCr2JqKaBp5HXv7CgWw==",
+            "version": "3.1.0",
+            "resolved": "https://registry.npmjs.org/langium-railroad/-/langium-railroad-3.1.0.tgz",
+            "integrity": "sha512-+/SJwIPAOBQCm0hoepUcckhrb6S/TnuAPy7c03pznVgUXH6OlbXy9FC62L2C2GclWRQlnXJVb7tCi0tmuagK+w==",
             "dev": true,
             "dependencies": {
-                "langium": "~3.0.0",
+                "langium": "~3.1.0",
                 "railroad-diagrams": "~1.0.0"
             }
         },
@@ -15047,7 +15047,7 @@
             "devDependencies": {
                 "@types/node": "^18.18.12",
                 "@types/ws": "^8.5.10",
-                "langium-cli": "^3.0.3",
+                "langium-cli": "^3.1.0",
                 "true-myth": "^7.3.0"
             },
             "engines": {
diff --git a/packages/safe-ds-lang/package.json b/packages/safe-ds-lang/package.json
index 057c71908..d94b7a86b 100644
--- a/packages/safe-ds-lang/package.json
+++ b/packages/safe-ds-lang/package.json
@@ -56,7 +56,7 @@
     "devDependencies": {
         "@types/node": "^18.18.12",
         "@types/ws": "^8.5.10",
-        "langium-cli": "^3.0.3",
+        "langium-cli": "^3.1.0",
         "true-myth": "^7.3.0"
     },
     "engines": {