diff --git a/CHANGELOG.md b/CHANGELOG.md
index 309482e3..caf245ba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,26 @@
 Please refer to [releases](https://github.com/hashicorp/packer-plugin-azure/releases) for the latest CHANGELOG information.
 
 ---
+## 2.5.1 (December 18, 2025)
+
+## What's Changed
+### Exciting New Features
+* Support setting custom_resource_build_prefix via environment variable [GH-541](https://github.com/hashicorp/packer-plugin-azure/pull/541)
+* Add manual mount command option [GH-545](https://github.com/hashicorp/packer-plugin-azure/pull/545)
+
+### Bug Fixes
+* Fix disablePasswordAuthentication option [GH-550](https://github.com/hashicorp/packer-plugin-azure/pull/550)
+* Fix: Update number of allowed resource tags [GH-552](https://github.com/hashicorp/packer-plugin-azure/pull/552)
+* Increases RSA key size in tests to 2048 bits [GH-555](https://github.com/hashicorp/packer-plugin-azure/pull/555)
+
+### Other Changes
+* Add backport-assistant [GH-542](https://github.com/hashicorp/packer-plugin-azure/pull/542)
+* Bump github.com/hashicorp/packer-plugin-sdk from 0.6.2 to 0.6.4 [GH-546](https://github.com/hashicorp/packer-plugin-azure/pull/546)
+* [COMPLIANCE] Update Copyright Headers by @oss-core-libraries-dashboard[bot] [GH-551](https://github.com/hashicorp/packer-plugin-azure/pull/551)
+* Bump x/crypto to v0.46.0 [GH-554](https://github.com/hashicorp/packer-plugin-azure/pull/554)
+
+**Full Changelog**: https://github.com/hashicorp/packer-plugin-azure/compare/v2.5.0...v2.5.1
+
 ## 2.5.0 (September 3, 2025)
 
 ## What's Changed
diff --git a/README.md b/README.md
index 014c33d2..c692434a 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 {
     azure = {
-      version = ">= 2.5.0"
+      version = ">= 2.5.1"
       source  = "github.com/hashicorp/azure"
     }
   }
diff --git a/version/VERSION b/version/VERSION
index 563cc3f4..4fd0fe3c 100644
--- a/version/VERSION
+++ b/version/VERSION
@@ -1 +1 @@
-2.5.1-dev
\ No newline at end of file
+2.5.1
\ No newline at end of file
diff --git a/version/version.go b/version/version.go
index f68b03d5..95e158b3 100644
--- a/version/version.go
+++ b/version/version.go
@@ -9,7 +9,7 @@ import (
 
 var (
 	Version            = "2.5.1"
-	VersionPrerelease  = "dev"
+	VersionPrerelease  = ""
 	VersionMetadata    = ""
 	AzurePluginVersion = version.NewPluginVersion(Version, VersionPrerelease, VersionMetadata)
 )