diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 7d69fc3f0e..a51a25af5b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.137.0"
+  ".": "0.138.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4fd0893e26..673c6e4d9a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.138.0](https://github.com/chio-labs/sqlbuild/compare/v0.137.0...v0.138.0) (2026-10-06)
+
+
+### Features
+
+* **compiler:** add compiler engine switch and differential harness ([#987](https://github.com/chio-labs/sqlbuild/issues/987)) ([94683ca](https://github.com/chio-labs/sqlbuild/commit/94683ca41c1319dff0897988cd0480e49a30bfc2))
+
 ## [0.137.0](https://github.com/chio-labs/sqlbuild/compare/v0.136.2...v0.137.0) (2026-10-06)
 
 
diff --git a/Cargo.lock b/Cargo.lock
index 54b9ebfd67..df5e1a2b6d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -617,7 +617,7 @@ checksum = "f8fadd59c855ef2080decdef8ff161eb6661b86933c9d82e5ba29dc602a55aba"
 
 [[package]]
 name = "sqlbuild-analysis"
-version = "0.137.0"
+version = "0.138.0"
 dependencies = [
  "polyglot-sql",
  "polyglot-sql-function-catalogs",
@@ -632,11 +632,11 @@ dependencies = [
 
 [[package]]
 name = "sqlbuild-core"
-version = "0.137.0"
+version = "0.138.0"
 
 [[package]]
 name = "sqlbuild-python"
-version = "0.137.0"
+version = "0.138.0"
 dependencies = [
  "fensu-policy",
  "mimalloc",
@@ -650,7 +650,7 @@ dependencies = [
 
 [[package]]
 name = "sqlbuild-rules"
-version = "0.137.0"
+version = "0.138.0"
 dependencies = [
  "fensu-policy",
  "globset",
@@ -671,7 +671,7 @@ dependencies = [
 
 [[package]]
 name = "sqlbuild-sqltext"
-version = "0.137.0"
+version = "0.138.0"
 dependencies = [
  "rayon",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index cb747898c7..b49ec1db4e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ python-boundary = "sqlbuild-python"
 polyglot-floor = "sqlbuild-analysis"
 
 [workspace.package]
-version = "0.137.0"
+version = "0.138.0"
 edition = "2024"
 license = "Apache-2.0"
 publish = false
diff --git a/pyproject.toml b/pyproject.toml
index f583d6f222..1b03327fb7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ build-backend = "maturin"
 
 [project]
 name = "sqlbuild"
-version = "0.137.0"
+version = "0.138.0"
 description = "Typed, test-first SQL pipelines with local E2E testing"
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/uv.lock b/uv.lock
index f039d6e3af..c66af47428 100644
--- a/uv.lock
+++ b/uv.lock
@@ -4137,7 +4137,7 @@ wheels = [
 
 [[package]]
 name = "sqlbuild"
-version = "0.137.0"
+version = "0.138.0"
 source = { editable = "." }
 dependencies = [
     { name = "duckdb" },