diff --git a/.github/workflows/nodejs-test.yaml b/.github/workflows/nodejs-test.yaml
index 945d57b..f0e5715 100644
--- a/.github/workflows/nodejs-test.yaml
+++ b/.github/workflows/nodejs-test.yaml
@@ -163,7 +163,7 @@ jobs:
           path: nodejs/*.node
 
   macos:
-    runs-on: macos-latest
+    runs-on: macos-12
     strategy:
       matrix:
         settings:
diff --git a/.github/workflows/zig-test.yaml b/.github/workflows/zig-test.yaml
index 19344ac..04eef2a 100644
--- a/.github/workflows/zig-test.yaml
+++ b/.github/workflows/zig-test.yaml
@@ -29,7 +29,7 @@ jobs:
         working-directory: "zig"
     strategy:
       matrix:
-        os: [macos-12, macos-latest, ubuntu-latest, windows-latest]
+        os: [macos-12, macos-latest, ubuntu-20.04, ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
diff --git a/go/README.md b/go/README.md
new file mode 100644
index 0000000..2f49e86
--- /dev/null
+++ b/go/README.md
@@ -0,0 +1,13 @@
+# KCL Artifact Library for Go
+
+## Developing
+
+### Prerequisites
+
++ Go 1.23+
+
+### Build and Test
+
+```shell
+go test ./...
+```
diff --git a/go/lib/darwin-amd64/static/libkclvm_cli_cdylib.a b/go/lib/darwin-amd64/static/libkclvm_cli_cdylib.a
index 2e5ccd8..396a709 100644
Binary files a/go/lib/darwin-amd64/static/libkclvm_cli_cdylib.a and b/go/lib/darwin-amd64/static/libkclvm_cli_cdylib.a differ
diff --git a/zig/Makefile b/zig/Makefile
new file mode 100644
index 0000000..af3b389
--- /dev/null
+++ b/zig/Makefile
@@ -0,0 +1,2 @@
+test:
+	zig build test
diff --git a/zig/README.md b/zig/README.md
index acc81cc..8e20296 100644
--- a/zig/README.md
+++ b/zig/README.md
@@ -4,11 +4,11 @@ This repo is under development, PRs welcome!
 
 ## Developing
 
-## Prerequisites
+### Prerequisites
 
 + Zig 0.13.0+
 
-## Build and Test
+### Build and Test
 
 ```shell
 zig build test