diff --git a/.circleci/config.yml b/.circleci/config.yml
index 03fd51b..7a7fddf 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -208,15 +208,18 @@ jobs:
       - checkout
       - npm_install:
           os: << parameters.os >>
+      - when:
+          condition:
+            equal: [ "alpine", << parameters.os >> ]
+          steps:
+            - prepare:
+                os: << parameters.os >>
+            - run:
+                command: npm run build:test
       - test
 
 ## WORKFLOWS ##
 
-matrix: &matrix
-  matrix:
-    parameters:
-      os: [ debian, linux, macos, "win/default" ]
-
 workflows:
   postject:
     jobs:
@@ -225,8 +228,16 @@ workflows:
             parameters:
               os: [ linux, macos, "win/default" ]
       - build:
-          <<: *matrix
+          matrix:
+            parameters:
+              os: [ linux, macos, "win/default" ]
       - test:
-          <<: *matrix
+          matrix:
+            parameters:
+              os: [ macos, "win/default" ]
           requires: [ build-<< matrix.os >> ]
-
+      - test:
+          matrix:
+            parameters:
+              os: [ alpine, debian ]
+          requires: [ build-linux ]
diff --git a/package.json b/package.json
index 741a602..af55cf2 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
   "main": "dist/api.js",
   "scripts": {
     "build": "zx ./scripts/build.mjs",
+    "build:test": "zx ./scripts/build.mjs --target=test",
     "clean": "rimraf ./build",
     "format": "npm run format:cpp && npm run format:js",
     "format:cpp": "clang-format -style=chromium -i postject-api.h src/**.cpp test/**.c test/**.cpp",
diff --git a/scripts/build.mjs b/scripts/build.mjs
index 3adbf99..e88b7ee 100755
--- a/scripts/build.mjs
+++ b/scripts/build.mjs
@@ -1,5 +1,6 @@
 #!/usr/bin/env zx
 
+let target = argv.target;
 let jobs = argv.jobs;
 
 if (!jobs) {
@@ -15,34 +16,56 @@ if (!jobs) {
   }
 }
 
-try {
-  await which("emcmake");
-} catch {
-  console.log("ERROR: Couldn't find `emcmake`, is emsdk installed?");
-  process.exit(1);
-}
+async function build() {
+  try {
+    await which("emcmake");
+  } catch {
+    console.log("ERROR: Couldn't find `emcmake`, is emsdk installed?");
+    process.exit(1);
+  }
+
+  // Create build folder if needed
+  if (!(await fs.exists("./build"))) {
+    await $`mkdir -p build`;
+  }
+
+  cd("build");
 
-// Create build folder if needed
-if (!(await fs.exists("./build"))) {
-  await $`mkdir build`;
+  // Build with emsdk
+  await $`emcmake cmake -G Ninja ..`;
+  await $`cmake --build . -j ${jobs}`;
+
+  // Bundle api.js and copy artifacts to dist
+  await fs.copy("../src/api.js", "api.js");
+  await $`esbuild api.js --bundle --platform=node --outfile=../dist/api.js`;
+  await fs.copy("../src/cli.js", "../dist/cli.js");
+  await fs.copy("../postject-api.h", "../dist/postject-api.h");
+
+  cd("..");
 }
-cd("build");
 
-// Build with emsdk
-await $`emcmake cmake -G Ninja ..`;
-await $`cmake --build . -j ${jobs}`;
+async function test() {
+  // Create build folder if needed
+  if (!(await fs.exists("./build/test"))) {
+    await $`mkdir -p build/test`;
+  }
 
-// Bundle api.js and copy artifacts to dist
-await fs.copy("../src/api.js", "api.js");
-await $`esbuild api.js --bundle --platform=node --outfile=../dist/api.js`;
-await fs.copy("../src/cli.js", "../dist/cli.js");
-await fs.copy("../postject-api.h", "../dist/postject-api.h");
+  cd("build/test");
 
-// Build tests
-if (!(await fs.exists("./test"))) {
-  await $`mkdir test`;
+  await $`cmake ../../test`;
+  await $`cmake --build .`;
+
+  cd("../..");
 }
 
-cd("test");
-await $`cmake ../../test`;
-await $`cmake --build .`;
+switch (target) {
+  case "build":
+    await build();
+    break;
+  case "test":
+    await test();
+    break;
+  default:
+    await build();
+    await test();
+}