diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20cd421..aed0820 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,9 +8,13 @@ and this project adheres to
 
 ## [Unreleased]
 
+## 0.55.0 - 2024-03-26
+
 ### Added
 
 - `lastSeenOn` as a required property on both Devices and HostAgents.
+- Added ipCidr format
+- Support for IP CIDR in Host class
 
 ## 0.54.0 - 2023-03-01
 
diff --git a/package.json b/package.json
index acd636b..481c190 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupiterone/data-model",
-  "version": "0.54.0",
+  "version": "0.55.0",
   "description": "Automatically generated package.json, please edit manually",
   "repository": {
     "type": "git",