diff --git a/Cargo.lock b/Cargo.lock
index c5a2c99..f52f705 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -151,7 +151,7 @@ checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
 
 [[package]]
 name = "flaco"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "cbindgen",
  "postgres",
diff --git a/Cargo.toml b/Cargo.toml
index 3161da8..5be59e5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name    = "flaco"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2018"
 license = "Unlicense/MIT"
 
diff --git a/flaco/__init__.py b/flaco/__init__.py
index de8cb38..68a598a 100644
--- a/flaco/__init__.py
+++ b/flaco/__init__.py
@@ -1,2 +1,2 @@
-__version__ = "0.3.0"
+__version__ = "0.4.0"
 from .io import read_sql, Database
diff --git a/setup.py b/setup.py
index 8f53eb6..9fe912e 100644
--- a/setup.py
+++ b/setup.py
@@ -51,7 +51,7 @@
 
 setup(
     name="flaco",
-    version="0.3.0",
+    version="0.4.0",
     author="Miles Granger",
     author_email="miles59923@gmail.com",
     description="Fast and Efficient PostgreSQL data into numpy/pandas",