diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ff82c8..b309b56 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.0.0 (June 14, 2021)
+
+* Update packer-plugin-sdk to v0.2.3 [GH-8]
+
 ## 0.0.1 (April 16, 2021)
 
 * 1&1 Plugin break out from Packer core. Changes prior to break out can be found in [Packer's CHANGELOG](https://github.com/hashicorp/packer/blob/master/CHANGELOG.md).
\ No newline at end of file
diff --git a/README.md b/README.md
index 2156da2..6301f64 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ Then, run [`packer init`](https://www.packer.io/docs/commands/init).
 packer {
   required_plugins {
     oneandone = {
-      version = ">= 0.0.1"
+      version = ">= 1.0.0"
       source  = "github.com/hashicorp/oneandone"
     }
   }
diff --git a/docs/README.md b/docs/README.md
index 3dcec78..b803560 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -21,7 +21,7 @@ Then, run [`packer init`](https://www.packer.io/docs/commands/init).
 packer {
   required_plugins {
     name = {
-      version = ">= 0.0.1"
+      version = ">= 1.0.0"
       source  = "github.com/hashicorp/oneandone"
     }
   }
diff --git a/example/build.pkr.hcl b/example/build.pkr.hcl
index 8722625..c905b70 100644
--- a/example/build.pkr.hcl
+++ b/example/build.pkr.hcl
@@ -1,7 +1,7 @@
 packer {
   required_plugins {
     oneandone = {
-      version = ">= 0.0.1"
+      version = ">= 1.0.0"
       source  = "github.com/hashicorp/oneandone"
     }
   }
diff --git a/main.go b/main.go
index c475311..56cfe8f 100644
--- a/main.go
+++ b/main.go
@@ -11,12 +11,12 @@ import (
 
 var (
 	// Version is the main version number that is being run at the moment.
-	Version = "0.0.1"
+	Version = "1.0.0"
 
 	// VersionPrerelease is A pre-release marker for the Version. If this is ""
 	// (empty string) then it means that it is a final release. Otherwise, this
 	// is a pre-release such as "dev" (in development), "beta", "rc1", etc.
-	VersionPrerelease = "dev"
+	VersionPrerelease = ""
 
 	// PluginVersion is used by the plugin set to allow Packer to recognize
 	// what version this plugin is.