diff --git a/Cargo.lock b/Cargo.lock
index a7fcca6a..307e21eb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1611,7 +1611,7 @@ dependencies = [
 
 [[package]]
 name = "spin-js-cli"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "anyhow",
  "binaryen",
@@ -1622,7 +1622,7 @@ dependencies = [
 
 [[package]]
 name = "spin-js-engine"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "anyhow",
  "bytes",
diff --git a/crates/spin-js-cli/Cargo.toml b/crates/spin-js-cli/Cargo.toml
index a05835eb..2b3f52c7 100644
--- a/crates/spin-js-cli/Cargo.toml
+++ b/crates/spin-js-cli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "spin-js-cli"
-version = "0.5.1"
+version = "0.6.0"
 edition = "2021"
 
 [[bin]]
diff --git a/crates/spin-js-engine/Cargo.toml b/crates/spin-js-engine/Cargo.toml
index 1f7e6598..b4d59433 100644
--- a/crates/spin-js-engine/Cargo.toml
+++ b/crates/spin-js-engine/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "spin-js-engine"
-version = "0.5.1"
+version = "0.6.0"
 edition = "2021"
 
 [lib]
diff --git a/spin-sdk/package-lock.json b/spin-sdk/package-lock.json
index a6efae51..c18f16eb 100644
--- a/spin-sdk/package-lock.json
+++ b/spin-sdk/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@fermyon/spin-sdk",
-  "version": "0.5.0",
+  "version": "0.6.0-rc.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@fermyon/spin-sdk",
-      "version": "0.5.0",
+      "version": "0.6.0-rc.0",
       "license": "Apache-2.0",
       "dependencies": {
         "buffer": "npm:Buffer@^0.0.0",
diff --git a/spin-sdk/package.json b/spin-sdk/package.json
index d86346ba..2500bce6 100644
--- a/spin-sdk/package.json
+++ b/spin-sdk/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@fermyon/spin-sdk",
-  "version": "0.5.0",
+  "version": "0.6.0-rc.0",
   "description": "",
   "main": "lib/index.js",
   "typings": "lib/index.d.ts",
diff --git a/templates/http-js/content/package.json b/templates/http-js/content/package.json
index 276e5f8f..974ab710 100644
--- a/templates/http-js/content/package.json
+++ b/templates/http-js/content/package.json
@@ -15,6 +15,6 @@
     "webpack-cli": "^4.10.0"
   },
   "dependencies": {
-    "@fermyon/spin-sdk": "^0.5.0"
+    "@fermyon/spin-sdk": "0.6.0-rc.0"
   }
 }
diff --git a/templates/http-ts/content/package.json b/templates/http-ts/content/package.json
index 849201b1..6c396523 100644
--- a/templates/http-ts/content/package.json
+++ b/templates/http-ts/content/package.json
@@ -17,6 +17,6 @@
     "webpack-cli": "^4.10.0"
   },
   "dependencies": {
-    "@fermyon/spin-sdk": "^0.5.0"
+    "@fermyon/spin-sdk": "0.6.0-rc.0"
   }
 }