diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6486236d..b6851231 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to Wickra are documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.8.1] - 2026-06-10
+### Fixed
+- **`wickra-go` license** — the release-time Go module mirror now ships the dual
+  `LICENSE-MIT` and `LICENSE-APACHE` files, so pkg.go.dev detects a
+  redistributable license for `github.com/wickra-lib/wickra-go`. The previous
+  mirror shipped no license file.
+
 ## [0.8.0] - 2026-06-09
 ### Added
 - **Standalone `wickra-go` module** — the Go binding is now mirrored to a
@@ -1478,7 +1485,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   optional Binance live feed.
 - Bindings for Python, Node.js, and WebAssembly.
 
-[Unreleased]: https://github.com/wickra-lib/wickra/compare/v0.8.0...HEAD
+[Unreleased]: https://github.com/wickra-lib/wickra/compare/v0.8.1...HEAD
+[0.8.1]: https://github.com/wickra-lib/wickra/compare/v0.8.0...v0.8.1
 [0.8.0]: https://github.com/wickra-lib/wickra/compare/v0.7.9...v0.8.0
 [0.7.9]: https://github.com/wickra-lib/wickra/compare/v0.7.8...v0.7.9
 [0.7.8]: https://github.com/wickra-lib/wickra/compare/v0.7.7...v0.7.8
diff --git a/Cargo.lock b/Cargo.lock
index c0b3ba6f..a47196e9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1944,7 +1944,7 @@ dependencies = [
 
 [[package]]
 name = "wickra"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "approx",
  "criterion",
@@ -1955,7 +1955,7 @@ dependencies = [
 
 [[package]]
 name = "wickra-bench"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "criterion",
  "kand",
@@ -1967,14 +1967,14 @@ dependencies = [
 
 [[package]]
 name = "wickra-c"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "wickra-core",
 ]
 
 [[package]]
 name = "wickra-core"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "approx",
  "proptest",
@@ -1984,7 +1984,7 @@ dependencies = [
 
 [[package]]
 name = "wickra-data"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "approx",
  "csv",
@@ -2001,7 +2001,7 @@ dependencies = [
 
 [[package]]
 name = "wickra-examples"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "serde_json",
  "tokio",
@@ -2011,7 +2011,7 @@ dependencies = [
 
 [[package]]
 name = "wickra-node"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "napi",
  "napi-build",
@@ -2021,7 +2021,7 @@ dependencies = [
 
 [[package]]
 name = "wickra-python"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "numpy",
  "pyo3",
@@ -2030,7 +2030,7 @@ dependencies = [
 
 [[package]]
 name = "wickra-wasm"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "console_error_panic_hook",
  "js-sys",
diff --git a/Cargo.toml b/Cargo.toml
index dc024e7f..c48ca52f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ members = [
 exclude = ["fuzz"]
 
 [workspace.package]
-version = "0.8.0"
+version = "0.8.1"
 authors = ["kingchenc <support@wickra.org>"]
 edition = "2021"
 rust-version = "1.86"
@@ -26,7 +26,7 @@ keywords = ["finance", "trading", "indicators", "technical-analysis", "ta"]
 categories = ["finance", "mathematics", "science"]
 
 [workspace.dependencies]
-wickra-core = { path = "crates/wickra-core", version = "0.8.0" }
+wickra-core = { path = "crates/wickra-core", version = "0.8.1" }
 
 thiserror = "2"
 rayon = "1.10"
diff --git a/bindings/java/README.md b/bindings/java/README.md
index 64308179..9bb45a68 100644
--- a/bindings/java/README.md
+++ b/bindings/java/README.md
@@ -30,14 +30,14 @@ Maven:
 <dependency>
   <groupId>org.wickra</groupId>
   <artifactId>wickra</artifactId>
-  <version>0.8.0</version>
+  <version>0.8.1</version>
 </dependency>
 ```
 
 Gradle:
 
 ```kotlin
-implementation("org.wickra:wickra:0.8.0")
+implementation("org.wickra:wickra:0.8.1")
 ```
 
 The native library ships prebuilt per platform (Linux, macOS, Windows — x64 and
diff --git a/bindings/java/pom.xml b/bindings/java/pom.xml
index 42597e04..0ffbf0dd 100644
--- a/bindings/java/pom.xml
+++ b/bindings/java/pom.xml
@@ -6,7 +6,7 @@
 
   <groupId>org.wickra</groupId>
   <artifactId>wickra</artifactId>
-  <version>0.8.0</version>
+  <version>0.8.1</version>
   <packaging>jar</packaging>
 
   <name>Wickra</name>
diff --git a/bindings/node/npm/darwin-arm64/package.json b/bindings/node/npm/darwin-arm64/package.json
index 2431008d..43e88327 100644
--- a/bindings/node/npm/darwin-arm64/package.json
+++ b/bindings/node/npm/darwin-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wickra-darwin-arm64",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "description": "Native binding for wickra (macOS Apple Silicon). Installed automatically as an optional dependency of wickra on matching platforms.",
   "main": "wickra.darwin-arm64.node",
   "files": [
diff --git a/bindings/node/npm/darwin-x64/package.json b/bindings/node/npm/darwin-x64/package.json
index 8cc2992a..888be72c 100644
--- a/bindings/node/npm/darwin-x64/package.json
+++ b/bindings/node/npm/darwin-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wickra-darwin-x64",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "description": "Native binding for wickra (macOS Intel). Installed automatically as an optional dependency of wickra on matching platforms.",
   "main": "wickra.darwin-x64.node",
   "files": [
diff --git a/bindings/node/npm/linux-arm64-gnu/package.json b/bindings/node/npm/linux-arm64-gnu/package.json
index b6c2ed7d..86a4fd8c 100644
--- a/bindings/node/npm/linux-arm64-gnu/package.json
+++ b/bindings/node/npm/linux-arm64-gnu/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wickra-linux-arm64-gnu",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "description": "Native binding for wickra (linux arm64 GNU). Installed automatically as an optional dependency of wickra on matching platforms.",
   "main": "wickra.linux-arm64-gnu.node",
   "files": [
diff --git a/bindings/node/npm/linux-x64-gnu/package.json b/bindings/node/npm/linux-x64-gnu/package.json
index a62c7048..45f8a532 100644
--- a/bindings/node/npm/linux-x64-gnu/package.json
+++ b/bindings/node/npm/linux-x64-gnu/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wickra-linux-x64-gnu",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "description": "Native binding for wickra (linux x64 GNU). Installed automatically as an optional dependency of wickra on matching platforms.",
   "main": "wickra.linux-x64-gnu.node",
   "files": [
diff --git a/bindings/node/npm/win32-arm64-msvc/package.json b/bindings/node/npm/win32-arm64-msvc/package.json
index 3fdaa7fe..41ad554e 100644
--- a/bindings/node/npm/win32-arm64-msvc/package.json
+++ b/bindings/node/npm/win32-arm64-msvc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wickra-win32-arm64-msvc",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "description": "Native binding for wickra (Windows arm64 MSVC). Installed automatically as an optional dependency of wickra on matching platforms.",
   "main": "wickra.win32-arm64-msvc.node",
   "files": [
diff --git a/bindings/node/npm/win32-x64-msvc/package.json b/bindings/node/npm/win32-x64-msvc/package.json
index daa39d81..77379729 100644
--- a/bindings/node/npm/win32-x64-msvc/package.json
+++ b/bindings/node/npm/win32-x64-msvc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wickra-win32-x64-msvc",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "description": "Native binding for wickra (Windows x64 MSVC). Installed automatically as an optional dependency of wickra on matching platforms.",
   "main": "wickra.win32-x64-msvc.node",
   "files": [
diff --git a/bindings/node/package-lock.json b/bindings/node/package-lock.json
index 83a6b08c..3d4195bb 100644
--- a/bindings/node/package-lock.json
+++ b/bindings/node/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "wickra",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "wickra",
-      "version": "0.8.0",
+      "version": "0.8.1",
       "license": "MIT OR Apache-2.0",
       "devDependencies": {
         "@napi-rs/cli": "^2.18.0"
@@ -15,12 +15,12 @@
         "node": ">= 18"
       },
       "optionalDependencies": {
-        "wickra-darwin-arm64": "0.8.0",
-        "wickra-darwin-x64": "0.8.0",
-        "wickra-linux-arm64-gnu": "0.8.0",
-        "wickra-linux-x64-gnu": "0.8.0",
-        "wickra-win32-arm64-msvc": "0.8.0",
-        "wickra-win32-x64-msvc": "0.8.0"
+        "wickra-darwin-arm64": "0.8.1",
+        "wickra-darwin-x64": "0.8.1",
+        "wickra-linux-arm64-gnu": "0.8.1",
+        "wickra-linux-x64-gnu": "0.8.1",
+        "wickra-win32-arm64-msvc": "0.8.1",
+        "wickra-win32-x64-msvc": "0.8.1"
       }
     },
     "node_modules/@napi-rs/cli": {
@@ -41,8 +41,8 @@
       }
     },
     "node_modules/wickra-darwin-arm64": {
-      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/wickra-darwin-arm64/-/wickra-darwin-arm64-0.8.0.tgz",
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/wickra-darwin-arm64/-/wickra-darwin-arm64-0.8.1.tgz",
       "integrity": "sha512-4eZiBR/yGUdr4nzhEUFy2i69XgNx64iI2ax/LPamsThgylC0KpHOZKK19QzJ2d9KbK4C8nMjME5FLuR+4GNEwQ==",
       "cpu": [
         "arm64"
@@ -57,8 +57,8 @@
       }
     },
     "node_modules/wickra-darwin-x64": {
-      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/wickra-darwin-x64/-/wickra-darwin-x64-0.8.0.tgz",
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/wickra-darwin-x64/-/wickra-darwin-x64-0.8.1.tgz",
       "integrity": "sha512-6hf8zI3QPjTFp4zCpmgUwDvNtu6jHqNUHKD5e55POo0CgA52HkpyxSPtVm8TGTIZDI7kPjlbOdBM8CJ76mmXwA==",
       "cpu": [
         "x64"
@@ -73,8 +73,8 @@
       }
     },
     "node_modules/wickra-linux-arm64-gnu": {
-      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/wickra-linux-arm64-gnu/-/wickra-linux-arm64-gnu-0.8.0.tgz",
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/wickra-linux-arm64-gnu/-/wickra-linux-arm64-gnu-0.8.1.tgz",
       "integrity": "sha512-kSe6y0xBMSiqdPLXNjwop5WZdHtvdBNKSEBCwZ4hFq33p4apW25/wrlzv9/oDuyD4kuPabJEhCCnFOplh58CUg==",
       "cpu": [
         "arm64"
@@ -89,8 +89,8 @@
       }
     },
     "node_modules/wickra-linux-x64-gnu": {
-      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/wickra-linux-x64-gnu/-/wickra-linux-x64-gnu-0.8.0.tgz",
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/wickra-linux-x64-gnu/-/wickra-linux-x64-gnu-0.8.1.tgz",
       "integrity": "sha512-tWBWS4qz7hxM4xnpFb59bhf6TaLwXq0Z3jEa/2l7r8PiHA94g8r8S53NRMiT+4yiL5hSWe/nUiC/YXdRrhEZ4g==",
       "cpu": [
         "x64"
@@ -105,8 +105,8 @@
       }
     },
     "node_modules/wickra-win32-arm64-msvc": {
-      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/wickra-win32-arm64-msvc/-/wickra-win32-arm64-msvc-0.8.0.tgz",
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/wickra-win32-arm64-msvc/-/wickra-win32-arm64-msvc-0.8.1.tgz",
       "integrity": "sha512-EXIckHxAtF75PUGDKRzXyqMe9ldP0JjSdu68WFN6iJfp+McYrGu6h40TEJlQ/oUEIoPqiZB/xhVyo/el5Lg7zw==",
       "cpu": [
         "arm64"
@@ -121,8 +121,8 @@
       }
     },
     "node_modules/wickra-win32-x64-msvc": {
-      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/wickra-win32-x64-msvc/-/wickra-win32-x64-msvc-0.8.0.tgz",
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/wickra-win32-x64-msvc/-/wickra-win32-x64-msvc-0.8.1.tgz",
       "integrity": "sha512-Yfsqq1Xwp6hdxMyLze411vNdo7BDwI6+lPSe7A9XdqyPecNDbtKwYLpsal2r8EHbNzqM+R8XnuRtUaEQS5VlUQ==",
       "cpu": [
         "x64"
diff --git a/bindings/node/package.json b/bindings/node/package.json
index cf718a0f..3b00b5fb 100644
--- a/bindings/node/package.json
+++ b/bindings/node/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wickra",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "description": "Streaming-first technical indicators: incremental, fast, install-free. Node bindings powered by Rust.",
   "author": "kingchenc <support@wickra.org>",
   "main": "index.js",
@@ -47,12 +47,12 @@
     "node": ">= 18"
   },
   "optionalDependencies": {
-    "wickra-linux-x64-gnu": "0.8.0",
-    "wickra-linux-arm64-gnu": "0.8.0",
-    "wickra-darwin-x64": "0.8.0",
-    "wickra-darwin-arm64": "0.8.0",
-    "wickra-win32-x64-msvc": "0.8.0",
-    "wickra-win32-arm64-msvc": "0.8.0"
+    "wickra-linux-x64-gnu": "0.8.1",
+    "wickra-linux-arm64-gnu": "0.8.1",
+    "wickra-darwin-x64": "0.8.1",
+    "wickra-darwin-arm64": "0.8.1",
+    "wickra-win32-x64-msvc": "0.8.1",
+    "wickra-win32-arm64-msvc": "0.8.1"
   },
   "scripts": {
     "build": "napi build --platform --release",
diff --git a/bindings/python/pyproject.toml b/bindings/python/pyproject.toml
index c9c1c048..8a630053 100644
--- a/bindings/python/pyproject.toml
+++ b/bindings/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "wickra"
-version = "0.8.0"
+version = "0.8.1"
 description = "Streaming-first technical indicators: incremental, fast, install-free."
 readme = "README.md"
 license = "MIT OR Apache-2.0"
diff --git a/examples/java/pom.xml b/examples/java/pom.xml
index 793c9608..b0f6318f 100644
--- a/examples/java/pom.xml
+++ b/examples/java/pom.xml
@@ -6,7 +6,7 @@
 
   <groupId>org.wickra.examples</groupId>
   <artifactId>wickra-examples</artifactId>
-  <version>0.8.0</version>
+  <version>0.8.1</version>
   <packaging>jar</packaging>
 
   <name>Wickra Java examples</name>
@@ -21,7 +21,7 @@
     <dependency>
       <groupId>org.wickra</groupId>
       <artifactId>wickra</artifactId>
-      <version>0.8.0</version>
+      <version>0.8.1</version>
     </dependency>
     <!-- Only the network examples (fetch_btcusdt) parse JSON. -->
     <dependency>
diff --git a/examples/node/package-lock.json b/examples/node/package-lock.json
index 7604827a..bbefd95e 100644
--- a/examples/node/package-lock.json
+++ b/examples/node/package-lock.json
@@ -17,7 +17,7 @@
     },
     "../../bindings/node": {
       "name": "wickra",
-      "version": "0.8.0",
+      "version": "0.8.1",
       "license": "MIT OR Apache-2.0",
       "devDependencies": {
         "@napi-rs/cli": "^2.18.0"
@@ -26,12 +26,12 @@
         "node": ">= 18"
       },
       "optionalDependencies": {
-        "wickra-darwin-arm64": "0.8.0",
-        "wickra-darwin-x64": "0.8.0",
-        "wickra-linux-arm64-gnu": "0.8.0",
-        "wickra-linux-x64-gnu": "0.8.0",
-        "wickra-win32-arm64-msvc": "0.8.0",
-        "wickra-win32-x64-msvc": "0.8.0"
+        "wickra-darwin-arm64": "0.8.1",
+        "wickra-darwin-x64": "0.8.1",
+        "wickra-linux-arm64-gnu": "0.8.1",
+        "wickra-linux-x64-gnu": "0.8.1",
+        "wickra-win32-arm64-msvc": "0.8.1",
+        "wickra-win32-x64-msvc": "0.8.1"
       }
     },
     "node_modules/wickra": {