diff --git a/BUILD.bazel b/BUILD.bazel
index 110bf0a..2654d89 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -63,7 +63,7 @@ go_library(
         ],
         "//conditions:default": [],
     }),
-    importpath = "github.com/bytecodealliance/wasmtime-go/v39",
+    importpath = "github.com/bytecodealliance/wasmtime-go/v40",
     visibility = ["//visibility:public"],
 )
 
diff --git a/README.md b/README.md
index 7c71f7c..2e0faef 100644
--- a/README.md
+++ b/README.md
@@ -12,8 +12,8 @@
     <a href="https://github.com/bytecodealliance/wasmtime-go/actions?query=workflow%3ACI">
       <img src="https://github.com/bytecodealliance/wasmtime-go/workflows/CI/badge.svg" alt="CI status"/>
     </a>
-    <a href="https://pkg.go.dev/github.com/bytecodealliance/wasmtime-go/v39">
-      <img src="https://godoc.org/github.com/bytecodealliance/wasmtime-go/v39?status.svg" alt="Documentation"/>
+    <a href="https://pkg.go.dev/github.com/bytecodealliance/wasmtime-go/v40">
+      <img src="https://godoc.org/github.com/bytecodealliance/wasmtime-go/v40?status.svg" alt="Documentation"/>
     </a>
     <a href="https://bytecodealliance.github.io/wasmtime-go/coverage.html">
       <img src="https://img.shields.io/badge/coverage-main-green" alt="Code Coverage"/>
@@ -25,7 +25,7 @@
 ## Installation
 
 ```sh
-go get -u github.com/bytecodealliance/wasmtime-go/v39@v39.0.1
+go get -u github.com/bytecodealliance/wasmtime-go/v40@v40.0.1
 ```
 
 Be sure to check out the [API documentation][api]!
@@ -39,7 +39,7 @@ need to arrange to build Wasmtime and use `CGO_*` env vars to compile correctly.
 
 This project has been tested with Go 1.13 or later.
 
-[api]: https://pkg.go.dev/github.com/bytecodealliance/wasmtime-go/v39
+[api]: https://pkg.go.dev/github.com/bytecodealliance/wasmtime-go/v40
 [wasmtime]: https://github.com/bytecodealliance/wasmtime
 
 If you are a bazel user, add following to your WORKSPACE file:
@@ -47,8 +47,8 @@ If you are a bazel user, add following to your WORKSPACE file:
 ```
 go_repository(
     name = "com_github_bytecodealliance_wasmtime_go",
-    importpath = "github.com/bytecodealliance/wasmtime-go/v39",
-    version = "v39.0.1",
+    importpath = "github.com/bytecodealliance/wasmtime-go/v40",
+    version = "v40.0.1",
 )
 ```
 
@@ -61,7 +61,7 @@ package main
 
 import (
     "fmt"
-    "github.com/bytecodealliance/wasmtime-go/v39"
+    "github.com/bytecodealliance/wasmtime-go/v40"
 )
 
 func main() {
@@ -179,8 +179,8 @@ Once merged checkout `main` and do:
 $ rm .gitignore
 $ python3 ci/download-wasmtime.py
 $ git add .
-$ git commit -m 'v39.0.0 release artifacts'
-$ git tag v39.0.0
+$ git commit -m 'v40.0.0 release artifacts'
+$ git tag v40.0.0
 ```
 
 and push up the tag
diff --git a/ci/download-wasmtime.py b/ci/download-wasmtime.py
index 50f8e8b..6bbc9a9 100644
--- a/ci/download-wasmtime.py
+++ b/ci/download-wasmtime.py
@@ -10,7 +10,7 @@
 import glob
 
 
-version = 'v39.0.0'
+version = 'v40.0.0'
 urls = [
     ['wasmtime-{}-x86_64-mingw-c-api.zip', 'windows-x86_64'],
     ['wasmtime-{}-x86_64-linux-c-api.tar.xz', 'linux-x86_64'],
diff --git a/example_test.go b/example_test.go
index f584c84..4674cde 100644
--- a/example_test.go
+++ b/example_test.go
@@ -10,7 +10,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/bytecodealliance/wasmtime-go/v39"
+	"github.com/bytecodealliance/wasmtime-go/v40"
 )
 
 // Example of limiting a WebAssembly function's runtime using "fuel consumption".
diff --git a/go.mod b/go.mod
index 78477e9..ab759c5 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module github.com/bytecodealliance/wasmtime-go/v39
+module github.com/bytecodealliance/wasmtime-go/v40
 
 go 1.18
 
diff --git a/includebuild.go b/includebuild.go
index 4220c3b..780fe7b 100644
--- a/includebuild.go
+++ b/includebuild.go
@@ -12,14 +12,14 @@ import (
 	// included in vendored dependencies.
 	// Cf. https://github.com/golang/go/issues/26366
 
-	_ "github.com/bytecodealliance/wasmtime-go/v39/build/include"
-	_ "github.com/bytecodealliance/wasmtime-go/v39/build/include/wasmtime"
-	_ "github.com/bytecodealliance/wasmtime-go/v39/build/include/wasmtime/component"
-	_ "github.com/bytecodealliance/wasmtime-go/v39/build/include/wasmtime/component/types"
-	_ "github.com/bytecodealliance/wasmtime-go/v39/build/include/wasmtime/types"
-	_ "github.com/bytecodealliance/wasmtime-go/v39/build/linux-aarch64"
-	_ "github.com/bytecodealliance/wasmtime-go/v39/build/linux-x86_64"
-	_ "github.com/bytecodealliance/wasmtime-go/v39/build/macos-aarch64"
-	_ "github.com/bytecodealliance/wasmtime-go/v39/build/macos-x86_64"
-	_ "github.com/bytecodealliance/wasmtime-go/v39/build/windows-x86_64"
+	_ "github.com/bytecodealliance/wasmtime-go/v40/build/include"
+	_ "github.com/bytecodealliance/wasmtime-go/v40/build/include/wasmtime"
+	_ "github.com/bytecodealliance/wasmtime-go/v40/build/include/wasmtime/component"
+	_ "github.com/bytecodealliance/wasmtime-go/v40/build/include/wasmtime/component/types"
+	_ "github.com/bytecodealliance/wasmtime-go/v40/build/include/wasmtime/types"
+	_ "github.com/bytecodealliance/wasmtime-go/v40/build/linux-aarch64"
+	_ "github.com/bytecodealliance/wasmtime-go/v40/build/linux-x86_64"
+	_ "github.com/bytecodealliance/wasmtime-go/v40/build/macos-aarch64"
+	_ "github.com/bytecodealliance/wasmtime-go/v40/build/macos-x86_64"
+	_ "github.com/bytecodealliance/wasmtime-go/v40/build/windows-x86_64"
 )