diff --git a/ReadMe.md b/ReadMe.md
index 6efaca1..197779c 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -66,6 +66,10 @@ in the project root.
 
 ## Release Notes
 
+### 1.0.5
+
+- Property names for map model objects can be anything, including numbers or null. Using a general falsification test might wrongly reject them.
+
 ### 1.0.4
 
 - Bug fix for HashMap. It used get() to determine if a key exists (which returns the value instead).
diff --git a/package.json b/package.json
index 9d0f7c4..799de05 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "stringtemplate4ts",
-    "version": "1.0.4",
+    "version": "1.0.5",
     "description": "A TypeScript port of the Java StringTemplate 4 library",
     "type": "module",
     "main": "dist/index.cjs",