diff --git a/.github/workflows/csharp-tests.yml b/.github/workflows/csharp-tests.yml
index bfa8204bf..59d1e35a3 100644
--- a/.github/workflows/csharp-tests.yml
+++ b/.github/workflows/csharp-tests.yml
@@ -11,7 +11,7 @@ on:
     branches:
       - main
 env:
-  binding_build_number_based_version: 0.4.0.${{ github.run_number }}
+  binding_build_number_based_version: 0.4.3.${{ github.run_number }}
 
 jobs:
   build-ckzg:
diff --git a/bindings/node.js/package.json b/bindings/node.js/package.json
index ec5d1525a..2014da644 100644
--- a/bindings/node.js/package.json
+++ b/bindings/node.js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "c-kzg",
-  "version": "2.1.2",
+  "version": "2.4.3",
   "description": "NodeJS bindings for C-KZG",
   "contributors": [
     "Dan Coffman <dgcoffman@gmail.com>",
diff --git a/bindings/python/setup.py b/bindings/python/setup.py
index 907da41c4..3e6177fde 100644
--- a/bindings/python/setup.py
+++ b/bindings/python/setup.py
@@ -4,7 +4,7 @@
 def main():
     setup(
         name="ckzg",
-        version="0.4.2",
+        version="0.4.3",
         author="Ethereum Foundation",
         description="Python bindings for C-KZG-4844",
         ext_modules=[
diff --git a/bindings/rust/Cargo.toml b/bindings/rust/Cargo.toml
index be3a968df..9907bd135 100644
--- a/bindings/rust/Cargo.toml
+++ b/bindings/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "c-kzg"
-version = "0.1.0"
+version = "0.4.3"
 edition = "2021"
 license = "Apache-2.0"
 links = "ckzg"