diff --git a/projects/openapi-generator.tech/package.yml b/projects/openapi-generator.tech/package.yml
index 4813d34d..1dd3f8cd 100644
--- a/projects/openapi-generator.tech/package.yml
+++ b/projects/openapi-generator.tech/package.yml
@@ -6,7 +6,7 @@ versions:
   github: OpenAPITools/openapi-generator
 
 dependencies:
-  openjdk.org: ^20
+  openjdk.org: ^21
 
 build:
   dependencies:
@@ -56,4 +56,4 @@ test:
     - openapi-generator generate -i minimal.yaml -g python -o out
     - ls out | grep openapi.json
     - ls out | grep setup.py
-    - openapi-generator --version | grep {{version}}
\ No newline at end of file
+    - openapi-generator --version | grep {{version}}