diff --git a/docs/Release_notes.md b/docs/Release_notes.md
index 32c4b2f36..1bf9a6e96 100644
--- a/docs/Release_notes.md
+++ b/docs/Release_notes.md
@@ -1,6 +1,17 @@
 JPO-ODE Release Notes
 ----------------------------
 
+Version 1.5.1, released November 2023
+----------------------------------------
+
+### **Summary**
+The updates for the jpo-ode 1.5.1 release includes a hotfix for nodes getting duplicated during JSON serialization/deserialization.
+- Moved JsonProperty declaration to getters to avoid duplicate fetch in serialization/deserialization scenarios
+
+Known Issues:
+- No known issues at this time.
+
+
 Version 1.5.0, released November 2023
 ----------------------------------------
 
diff --git a/jpo-ode-core/src/main/resources/schemas/schema-bsm.json b/jpo-ode-core/src/main/resources/schemas/schema-bsm.json
index a3f322f2d..82f5c9497 100644
--- a/jpo-ode-core/src/main/resources/schemas/schema-bsm.json
+++ b/jpo-ode-core/src/main/resources/schemas/schema-bsm.json
@@ -2171,7 +2171,6 @@
                                 ]
                             },
                             "maxItems": 8,
-                            "minItems": 1,
                             "type": [
                                 "array",
                                 "null"