diff --git a/Cargo.lock b/Cargo.lock
index 66fd3bca..cb7dcca9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1230,7 +1230,7 @@ dependencies = [
 
 [[package]]
 name = "parquet-wasm"
-version = "0.4.0"
+version = "0.5.0-alpha.1"
 dependencies = [
  "arrow",
  "arrow-wasm",
diff --git a/Cargo.toml b/Cargo.toml
index d174260c..fe4c1082 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "parquet-wasm"
-version = "0.4.0"
+version = "0.5.0-alpha.1"
 authors = ["Kyle Barron <kylebarron2@gmail.com>"]
 edition = "2021"
 description = "WebAssembly Parquet reader and writer."