diff --git a/CHANGELOG.md b/CHANGELOG.md
index fbd5ea14c..d9b5d834d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+#### 0.20.0-beta.4: Beta Release
+
+Runtime
+
+ - Bump JSONata to 1.6.5
+
 #### 0.20.0-beta.3: Beta Release
 
 Editor
diff --git a/package.json b/package.json
index 232128f71..5799c22c5 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
         "is-utf8": "0.2.1",
         "js-yaml": "3.12.1",
         "json-stringify-safe": "5.0.1",
-        "jsonata": "1.6.3",
+        "jsonata": "1.6.4",
         "media-typer": "1.0.1",
         "memorystore": "1.6.0",
         "mime": "2.4.0",