diff --git a/packages/openapi-generator/package.json b/packages/openapi-generator/package.json
index 2670f09cf5..4a39dba8c5 100644
--- a/packages/openapi-generator/package.json
+++ b/packages/openapi-generator/package.json
@@ -50,7 +50,7 @@
     "swagger2openapi": "^7.0.4"
   },
   "devDependencies": {
-    "@apidevtools/json-schema-ref-parser": "^14.1.1",
+    "@apidevtools/json-schema-ref-parser": "^15.4.0",
     "@jest/globals": "^30.3.0",
     "@sap-cloud-sdk/test-util-internal": "workspace:^",
     "@types/content-type": "^1.1.9",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index aa5b155e0e..5521d26d32 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -706,8 +706,8 @@ importers:
         version: 7.0.8
     devDependencies:
       '@apidevtools/json-schema-ref-parser':
-        specifier: ^14.1.1
-        version: 14.2.1(@types/json-schema@7.0.15)
+        specifier: ^15.4.0
+        version: 15.4.0(@types/json-schema@7.0.15)
       '@jest/globals':
         specifier: ^30.3.0
         version: 30.4.1
@@ -1236,9 +1236,9 @@ packages:
     resolution: {integrity: sha512-Oc96zvmxx1fqoSEdUmfmvvb59/KDOnUoJ7s2t7bISyAn0XEz57LCCw8k2Y4Pf3mwKaZLMciESALORLgfe2frCw==}
     engines: {node: '>= 16'}
 
-  '@apidevtools/json-schema-ref-parser@14.2.1':
-    resolution: {integrity: sha512-HmdFw9CDYqM6B25pqGBpNeLCKvGPlIx1EbLrVL0zPvj50CJQUHyBNBw45Muk0kEIkogo1VZvOKHajdMuAzSxRg==}
-    engines: {node: '>= 20'}
+  '@apidevtools/json-schema-ref-parser@15.4.0':
+    resolution: {integrity: sha512-QbMJJlMZd27fZmi7Q+twCqwABlfaO4Qdc1YvbbwkqN2lILfELnfWfw9xFFl6CeF5jAeGQpokUVhvCkhz+rvEGg==}
+    engines: {node: '>=20'}
     peerDependencies:
       '@types/json-schema': ^7.0.15
 
@@ -6347,7 +6347,7 @@ snapshots:
       '@types/json-schema': 7.0.15
       js-yaml: 4.2.0
 
-  '@apidevtools/json-schema-ref-parser@14.2.1(@types/json-schema@7.0.15)':
+  '@apidevtools/json-schema-ref-parser@15.4.0(@types/json-schema@7.0.15)':
     dependencies:
       '@types/json-schema': 7.0.15
       js-yaml: 4.2.0