diff --git a/types/pom.xml b/types/pom.xml
index 462b89638..22ad894c9 100644
--- a/types/pom.xml
+++ b/types/pom.xml
@@ -42,6 +42,7 @@
                 <useTitleAsClassname>true</useTitleAsClassname>
                 <serializable>true</serializable>
                 <targetVersion>${java.version}</targetVersion>
+                <formatTypeMapping><uri-reference>java.net.URI</uri-reference></formatTypeMapping>
                 <usePrimitives>true</usePrimitives>
                 <annotationStyle>none</annotationStyle>
                 <useJakartaValidation>true</useJakartaValidation>
diff --git a/types/src/main/resources/schema/workflow.yaml b/types/src/main/resources/schema/workflow.yaml
index 96b3fc24f..2bbf0babe 100644
--- a/types/src/main/resources/schema/workflow.yaml
+++ b/types/src/main/resources/schema/workflow.yaml
@@ -1460,7 +1460,7 @@ $defs:
        pattern: "^(?!\\s*\\$\\{)(?=\\S)(([^:/?#]+):)?(//([^/?#\\s]*))?([^?#\\s]*)(\\?([^#\\s]*))?(#(\\S*))?$"
      - title: LiteralUri
        type: string
-       format: uri
+       format: uri-reference
        pattern: "^(?!\\s*\\$\\{)(?=\\S)(([^:/?#]+):)?(//([^/?#\\s]*))?([^?#\\s]*)(\\?([^#\\s]*))?(#(\\S*))?$"
   endpoint:
     title: Endpoint