diff --git a/.github/workflows/build-aarch64-apple-darwin.yaml b/.github/workflows/build-aarch64-apple-darwin.yaml
index dd3c95c..323d3c0 100644
--- a/.github/workflows/build-aarch64-apple-darwin.yaml
+++ b/.github/workflows/build-aarch64-apple-darwin.yaml
@@ -6,11 +6,11 @@ on:
       release_version:
         description: "Xtensa Rust release version to build"
         required: true
-        default: '1.80.0.0'
+        default: '1.81.0.0'
       release_tag:
-        description: "Release tag where artifacts will be stored (e.g. v1.80.0.0, untagged-00000)"
+        description: "Release tag where artifacts will be stored (e.g. v1.81.0.0, untagged-00000)"
         required: true
-        default: "v1.80.0.0"
+        default: "v1.81.0.0"
 
 jobs:
   get_release:
diff --git a/.github/workflows/build-aarch64-unknown-linux-gnu.yaml b/.github/workflows/build-aarch64-unknown-linux-gnu.yaml
index ecfa494..dbfdc1f 100644
--- a/.github/workflows/build-aarch64-unknown-linux-gnu.yaml
+++ b/.github/workflows/build-aarch64-unknown-linux-gnu.yaml
@@ -6,11 +6,11 @@ on:
       release_version:
         description: "Xtensa Rust release version to build"
         required: true
-        default: '1.80.0.0'
+        default: '1.81.0.0'
       release_tag:
-        description: "Release tag where artifacts will be stored (e.g. v1.80.0.0, untagged-00000)"
+        description: "Release tag where artifacts will be stored (e.g. v1.81.0.0, untagged-00000)"
         required: true
-        default: "v1.80.0.0"
+        default: "v1.81.0.0"
 
 jobs:
   get_release:
diff --git a/.github/workflows/build-rust-src.yaml b/.github/workflows/build-rust-src.yaml
index 737e583..5d5e57d 100644
--- a/.github/workflows/build-rust-src.yaml
+++ b/.github/workflows/build-rust-src.yaml
@@ -6,11 +6,11 @@ on:
       release_version:
         description: "Xtensa Rust release version to build"
         required: true
-        default: '1.80.0.0'
+        default: '1.81.0.0'
       release_tag:
-        description: "Release tag where artifacts will be stored (e.g. v1.80.0.0, untagged-00000)"
+        description: "Release tag where artifacts will be stored (e.g. v1.81.0.0, untagged-00000)"
         required: true
-        default: "v1.80.0.0"
+        default: "v1.81.0.0"
 
 jobs:
   get_release:
diff --git a/.github/workflows/build-x86_64-apple-darwin.yaml b/.github/workflows/build-x86_64-apple-darwin.yaml
index be9455c..61c7a3d 100644
--- a/.github/workflows/build-x86_64-apple-darwin.yaml
+++ b/.github/workflows/build-x86_64-apple-darwin.yaml
@@ -5,11 +5,11 @@ on:
       release_version:
         description: "Xtensa Rust release version to build"
         required: true
-        default: '1.80.0.0'
+        default: '1.81.0.0'
       release_tag:
-        description: "Release tag where artifacts will be stored (e.g. v1.80.0.0, untagged-00000)"
+        description: "Release tag where artifacts will be stored (e.g. v1.81.0.0, untagged-00000)"
         required: true
-        default: "v1.80.0.0"
+        default: "v1.81.0.0"
 
 jobs:
   get_release:
diff --git a/.github/workflows/build-x86_64-pc-windows-gnu.yaml b/.github/workflows/build-x86_64-pc-windows-gnu.yaml
index db0b7d7..8428030 100644
--- a/.github/workflows/build-x86_64-pc-windows-gnu.yaml
+++ b/.github/workflows/build-x86_64-pc-windows-gnu.yaml
@@ -6,11 +6,11 @@ on:
       release_version:
         description: "Xtensa Rust release version to build"
         required: true
-        default: '1.80.0.0'
+        default: '1.81.0.0'
       release_tag:
-        description: "Release tag where artifacts will be stored (e.g. v1.80.0.0, untagged-00000)"
+        description: "Release tag where artifacts will be stored (e.g. v1.81.0.0, untagged-00000)"
         required: true
-        default: "v1.80.0.0"
+        default: "v1.81.0.0"
 
 jobs:
   get_release:
diff --git a/.github/workflows/build-x86_64-pc-windows-msvc.yaml b/.github/workflows/build-x86_64-pc-windows-msvc.yaml
index 01738e3..b730c56 100644
--- a/.github/workflows/build-x86_64-pc-windows-msvc.yaml
+++ b/.github/workflows/build-x86_64-pc-windows-msvc.yaml
@@ -6,11 +6,11 @@ on:
       release_version:
         description: "Xtensa Rust release version to build"
         required: true
-        default: '1.80.0.0'
+        default: '1.81.0.0'
       release_tag:
-        description: "Release tag where artifacts will be stored (e.g. v1.80.0.0, untagged-00000)"
+        description: "Release tag where artifacts will be stored (e.g. v1.81.0.0, untagged-00000)"
         required: true
-        default: "v1.80.0.0"
+        default: "v1.81.0.0"
 
 jobs:
   get_release:
diff --git a/.github/workflows/build-x86_64-unknown-linux-gnu.yaml b/.github/workflows/build-x86_64-unknown-linux-gnu.yaml
index 333817b..6ccfbec 100644
--- a/.github/workflows/build-x86_64-unknown-linux-gnu.yaml
+++ b/.github/workflows/build-x86_64-unknown-linux-gnu.yaml
@@ -5,11 +5,11 @@ on:
       release_version:
         description: "Xtensa Rust release version to build"
         required: true
-        default: "1.80.0.0"
+        default: "1.81.0.0"
       release_tag:
-        description: "Release tag where artifacts will be stored (e.g. v1.80.0.0, untagged-00000)"
+        description: "Release tag where artifacts will be stored (e.g. v1.81.0.0, untagged-00000)"
         required: true
-        default: "v1.80.0.0"
+        default: "v1.81.0.0"
 
 jobs:
   get_release:
diff --git a/support/rust-build/Repackage-RustRelease.ps1 b/support/rust-build/Repackage-RustRelease.ps1
index ffe0c81..274235f 100644
--- a/support/rust-build/Repackage-RustRelease.ps1
+++ b/support/rust-build/Repackage-RustRelease.ps1
@@ -11,7 +11,7 @@ param (
 $ErrorActionPreference = "Stop"
 
 $RustVersion="nightly"
-$ReleaseVersion="1.80.0.0"
+$ReleaseVersion="1.81.0.0"
 
 if (Test-Path -Path esp -PathType Container) {
     Remove-Item -Recurse -Force -Path esp