diff --git a/core/package.json b/core/package.json
index 1cc84e5..0c57b03 100644
--- a/core/package.json
+++ b/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@biomapper-sdk/core",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "MIT",
   "type": "module",
   "files": [
diff --git a/events/package.json b/events/package.json
index 87a3cc2..fb4829b 100644
--- a/events/package.json
+++ b/events/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@biomapper-sdk/events",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "MIT",
   "type": "module",
   "files": [
diff --git a/libraries/package.json b/libraries/package.json
index 73400d2..7cf559a 100644
--- a/libraries/package.json
+++ b/libraries/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@biomapper-sdk/libraries",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "MIT",
   "type": "module",
   "files": [
diff --git a/mock/package.json b/mock/package.json
index 6dab058..50d9ba6 100644
--- a/mock/package.json
+++ b/mock/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@biomapper-sdk/mock",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "MIT",
   "type": "module",
   "files": [