diff --git a/serverless-workflow-examples/serverless-workflow-stock-profit/real-stock-service/src/main/java/org/acme/RealStockPriceResource.java b/serverless-workflow-examples/serverless-workflow-stock-profit/real-stock-service/src/main/java/org/acme/RealStockPriceResource.java
index cc7894fcea..219f20cd6e 100644
--- a/serverless-workflow-examples/serverless-workflow-stock-profit/real-stock-service/src/main/java/org/acme/RealStockPriceResource.java
+++ b/serverless-workflow-examples/serverless-workflow-stock-profit/real-stock-service/src/main/java/org/acme/RealStockPriceResource.java
@@ -27,7 +27,7 @@
 @Path("/stock-price")
 public class RealStockPriceResource {
 
-    public static final SecureRandom SECURE_RANDOM = new SecureRandom();
+    public final SecureRandom SECURE_RANDOM = new SecureRandom();
 
     @GET
     @Path("/{symbol}")