diff --git a/.bumpversion.toml b/.bumpversion.toml
index 01fee30..c4e53fd 100644
--- a/.bumpversion.toml
+++ b/.bumpversion.toml
@@ -1,5 +1,5 @@
 [tool.bumpversion]
-current_version = "0.3.1"
+current_version = "0.4.0"
 parse = "(?P<major>\\d+)\\.(?P<minor>\\d+)\\.(?P<patch>\\d+)(-(?P<pre_label>alpha|beta|rc)\\.(?P<pre_n>\\d+))?"
 serialize = [
     "{major}.{minor}.{patch}-{pre_label}.{pre_n}",
diff --git a/Cargo.lock b/Cargo.lock
index dd3b648..f410e42 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3947,7 +3947,7 @@ dependencies = [
 
 [[package]]
 name = "lance-csr"
-version = "0.3.1"
+version = "0.4.0"
 dependencies = [
  "ahash",
  "arrow",
@@ -3976,7 +3976,7 @@ dependencies = [
 
 [[package]]
 name = "lance-csr-benches"
-version = "0.3.1"
+version = "0.4.0"
 dependencies = [
  "arrow-array",
  "arrow-schema",
@@ -3991,7 +3991,7 @@ dependencies = [
 
 [[package]]
 name = "lance-csr-catalog"
-version = "0.3.1"
+version = "0.4.0"
 dependencies = [
  "arrow-schema",
  "async-trait",
diff --git a/crates/lance-csr-benches/Cargo.toml b/crates/lance-csr-benches/Cargo.toml
index 0d907f4..c425d7b 100644
--- a/crates/lance-csr-benches/Cargo.toml
+++ b/crates/lance-csr-benches/Cargo.toml
@@ -1,12 +1,12 @@
 [package]
 name = "lance-csr-benches"
-version = "0.3.1"
+version = "0.4.0"
 edition = "2021"
 publish = false
 description = "Benchmarks for lance-csr (not published)"
 
 [dependencies]
-lance-csr = { path = "../lance-csr", version = "0.3.1" }
+lance-csr = { path = "../lance-csr", version = "0.4.0" }
 lance = "13.0.0"
 arrow-array = "58"
 arrow-schema = "58"
diff --git a/crates/lance-csr-catalog/Cargo.toml b/crates/lance-csr-catalog/Cargo.toml
index 7598d04..50144e4 100644
--- a/crates/lance-csr-catalog/Cargo.toml
+++ b/crates/lance-csr-catalog/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lance-csr-catalog"
-version = "0.3.1"
+version = "0.4.0"
 edition = "2021"
 license = "Apache-2.0"
 authors = ["The lance-csr Authors"]
diff --git a/crates/lance-csr-python/Cargo.lock b/crates/lance-csr-python/Cargo.lock
index 3042552..9ffa63b 100644
--- a/crates/lance-csr-python/Cargo.lock
+++ b/crates/lance-csr-python/Cargo.lock
@@ -3832,7 +3832,7 @@ dependencies = [
 
 [[package]]
 name = "lance-csr"
-version = "0.3.1"
+version = "0.4.0"
 dependencies = [
  "ahash",
  "arrow",
@@ -3859,7 +3859,7 @@ dependencies = [
 
 [[package]]
 name = "lance-csr-catalog"
-version = "0.3.1"
+version = "0.4.0"
 dependencies = [
  "arrow-schema",
  "async-trait",
@@ -3872,7 +3872,7 @@ dependencies = [
 
 [[package]]
 name = "lance-csr-python"
-version = "0.3.1"
+version = "0.4.0"
 dependencies = [
  "arrow",
  "arrow-array",
diff --git a/crates/lance-csr-python/Cargo.toml b/crates/lance-csr-python/Cargo.toml
index 321318f..5dd4ddc 100644
--- a/crates/lance-csr-python/Cargo.toml
+++ b/crates/lance-csr-python/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lance-csr-python"
-version = "0.3.1"
+version = "0.4.0"
 edition = "2021"
 authors = ["The lance-csr Authors"]
 publish = false
diff --git a/crates/lance-csr/Cargo.toml b/crates/lance-csr/Cargo.toml
index cfdbc70..6babf2b 100644
--- a/crates/lance-csr/Cargo.toml
+++ b/crates/lance-csr/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lance-csr"
-version = "0.3.1"
+version = "0.4.0"
 edition = "2021"
 license = "Apache-2.0"
 authors = ["The lance-csr Authors"]
@@ -33,7 +33,7 @@ datafusion-expr = "54"
 datafusion-sql = "54"
 datafusion-functions-aggregate = "54"
 futures = "0.3"
-lance-csr-catalog = { path = "../lance-csr-catalog", version = "0.3.1" }
+lance-csr-catalog = { path = "../lance-csr-catalog", version = "0.4.0" }
 lance = "13.0.0"
 lance-linalg = "13.0.0"
 lance-namespace = "13.0.0"
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 55670b2..dc1f246 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "lance-csr"
-version = "0.3.1"
+version = "0.4.0"
 dependencies = [
     "pyarrow>=14",
     "pylance>=13.0.0,<14",
diff --git a/python/uv.lock b/python/uv.lock
index 579cb90..13aab64 100644
--- a/python/uv.lock
+++ b/python/uv.lock
@@ -40,7 +40,7 @@ wheels = [
 
 [[package]]
 name = "lance-csr"
-version = "0.3.1"
+version = "0.4.0"
 source = { editable = "." }
 dependencies = [
     { name = "pyarrow" },