diff --git a/CHANGELOG b/CHANGELOG
index b3c8baeb..4568da1e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+isotopes-0.3.1 (2018-07-30)
+
+  * Fixed handling of undefined values in where conditions
+
 isotopes-0.3.0 (2018-07-30)
 
   * Added support for domain creation and destruction
diff --git a/package-lock.json b/package-lock.json
index c2f02551..23fc0ac5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "isotopes",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 0db00509..f5060a67 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "isotopes",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Serverless and typed object store built on top of AWS SimpleDB",
   "keywords": [
     "aws",