diff --git a/CHANGELOG.md b/CHANGELOG.md
index c2aacf5..7b5ab0d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [0.1.0-develop.49](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.48...v0.1.0-develop.49) (2023-07-25)
+
+
+### Bug Fixes
+
+* add try/catch with mutex release on optimisticUpdateCallback ([7075966](https://git.lumeweb.com/LumeWeb/libethsync/commit/7075966227515151490639b0f22a804d6e3b2583))
+
 # [0.1.0-develop.48](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.47...v0.1.0-develop.48) (2023-07-24)
 
 
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 00a074c..dfc69c2 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1,12 +1,12 @@
 {
     "name": "@lumeweb/libethsync",
-    "version": "0.1.0-develop.48",
+    "version": "0.1.0-develop.49",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@lumeweb/libethsync",
-            "version": "0.1.0-develop.48",
+            "version": "0.1.0-develop.49",
             "dependencies": {
                 "@chainsafe/as-sha256": "^0.3.1",
                 "@chainsafe/bls": "7.1.1",
diff --git a/package.json b/package.json
index b45663e..8735dc1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@lumeweb/libethsync",
-    "version": "0.1.0-develop.48",
+    "version": "0.1.0-develop.49",
     "type": "module",
     "repository": {
         "type": "git",