diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2be9c43..37fcefa 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.2.0"
+  ".": "1.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 684643c..a35326a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [1.0.0](https://github.com/sciencecorp/synapse-cpp/compare/v0.2.0...v1.0.0) (2025-03-13)
+
+
+### ⚠ BREAKING CHANGES
+
+* support UDP unicast in StreamOut node, remove UDP multicast
+
+### Features
+
+* add packet monitoring 'stats' example ([#20](https://github.com/sciencecorp/synapse-cpp/issues/20)) ([a0e69c7](https://github.com/sciencecorp/synapse-cpp/commit/a0e69c7a6a424546977084a10cf077d1fff9b531))
+* switch StreamOut node to UDP unicast; update synapse-api ([#18](https://github.com/sciencecorp/synapse-cpp/issues/18)) ([6c240dc](https://github.com/sciencecorp/synapse-cpp/commit/6c240dca7f5e2a5b5a1acbd9c623fb8dba619d2f))
+
 ## [0.2.0](https://github.com/sciencecorp/synapse-cpp/compare/v0.1.0...v0.2.0) (2025-03-13)
 
 
diff --git a/version.txt b/version.txt
index 0ea3a94..3eefcb9 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.2.0
+1.0.0