diff --git a/CHANGELOG.md b/CHANGELOG.md
index c94f3c6..1a71a35 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,14 @@
+# [0.1.0-develop.28](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.27...v0.1.0-develop.28) (2023-07-13)
+
+
+### Bug Fixes
+
+* add optimisticUpdateCallback to client factory ([c3b47e6](https://git.lumeweb.com/LumeWeb/libethsync/commit/c3b47e67e760aea5c841985ab4d44fb36cff1dae))
+* add optimisticUpdateCallback to options ([464fb21](https://git.lumeweb.com/LumeWeb/libethsync/commit/464fb2109514b147b25d1d760eb4a7677ac8fea3))
+* pass client to prover after creating client in factory. don't try to parse thr messages ([481757e](https://git.lumeweb.com/LumeWeb/libethsync/commit/481757e019729ce3790c5cd07cb89c5d7ded7cf4))
+* simplify logic and use LightClientUpdate.fromJson ([17cb002](https://git.lumeweb.com/LumeWeb/libethsync/commit/17cb00231c44d734cb6f24f48d1a6a045f0c7ae4))
+* use _client not client ([76e22fa](https://git.lumeweb.com/LumeWeb/libethsync/commit/76e22fa34258c771da281457e983a5addfef440b))
+
 # [0.1.0-develop.27](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.26...v0.1.0-develop.27) (2023-07-12)
 
 
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 0c2df49..eb236d6 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1,12 +1,12 @@
 {
     "name": "@lumeweb/libethclient",
-    "version": "0.1.0-develop.27",
+    "version": "0.1.0-develop.28",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@lumeweb/libethclient",
-            "version": "0.1.0-develop.27",
+            "version": "0.1.0-develop.28",
             "dependencies": {
                 "@chainsafe/as-sha256": "^0.3.1",
                 "@chainsafe/bls": "7.1.1",
diff --git a/package.json b/package.json
index 873eacd..3c00060 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@lumeweb/libethsync",
-    "version": "0.1.0-develop.27",
+    "version": "0.1.0-develop.28",
     "type": "module",
     "repository": {
         "type": "git",