diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 2082b926..1a3dcb74 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -157,9 +157,8 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                #node-version: ['latest', '22.x', '20.x']
-                node-version: ["22.x", "20.x"]
-                os: [ubuntu-latest, windows-latest, macos-latest]
+                node-version: ["22.x"]
+                os: [ubuntu-latest, windows-2022, macos-latest]
 
         runs-on: ${{ matrix.os }}
 
diff --git a/Kadabra-JS/package.json b/Kadabra-JS/package.json
index 4b15353c..d511beb2 100644
--- a/Kadabra-JS/package.json
+++ b/Kadabra-JS/package.json
@@ -69,7 +69,7 @@
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-jest": "^29.12.1",
     "eslint-plugin-tsdoc": "^0.5.0",
-    "jest": "^30.2.0",
+    "jest": "~30.3.0",
     "node-notifier": "^10.0.1",
     "ts-jest": "^29.4.6",
     "typescript": "^5.9.3",
diff --git a/Kadabra-JS/src-api/jest.config.js b/Kadabra-JS/src-api/jest.config.js
index 55488e9e..4a344f8e 100644
--- a/Kadabra-JS/src-api/jest.config.js
+++ b/Kadabra-JS/src-api/jest.config.js
@@ -2,15 +2,22 @@ import { weaverConfig } from "../code/WeaverConfiguration.js";
 
 const config = {
   preset: "ts-jest/presets/default-esm",
+
   testEnvironment: "@specs-feup/lara/jest/jestEnvironment.js",
+
   globalSetup: "@specs-feup/lara/jest/jestGlobalSetup.js",
   globalTeardown: "@specs-feup/lara/jest/jestGlobalTeardown.js",
+
   setupFiles: ["@specs-feup/lara/jest/setupFiles/sharedJavaModule.js"],
   setupFilesAfterEnv: ["@specs-feup/lara/jest/setupFiles/importSideEffects.js"],
+
   moduleNameMapper: {
-    "@specs-feup/kadabra/api/(.+).js": "@specs-feup/kadabra/src-api/$1",
-    "(.+)\\.js": "$1",
+    "^@specs-feup/kadabra/api/(.+)\\.js$": "<rootDir>/$1",
+    "^@specs-feup/lara/jest/WeaverLegacyTester\\.js$":
+      "@specs-feup/lara/jest/WeaverLegacyTester.ts",
+    "^(\\.{1,2}/.*)\\.js$": "$1",
   },
+
   testEnvironmentOptions: {
     weaverConfig,
   },
diff --git a/Kadabra-JS/src-code/WeaverConfiguration.ts b/Kadabra-JS/src-code/WeaverConfiguration.ts
index 44a8d96e..3542de88 100644
--- a/Kadabra-JS/src-code/WeaverConfiguration.ts
+++ b/Kadabra-JS/src-code/WeaverConfiguration.ts
@@ -8,8 +8,9 @@ export const weaverConfig: WeaverConfiguration = {
   weaverFileName: "@specs-feup/lara/code/Weaver.js",
   jarPath: path.join(
     path.dirname(path.dirname(fileURLToPath(import.meta.url))),
-    "./java-binaries/"
+    "./java-binaries/",
   ),
   javaWeaverQualifiedName: "weaver.kadabra.JavaWeaver",
-  importForSideEffects: ["@specs-feup/kadabra/api/Joinpoints.js"],
+  //importForSideEffects: ["@specs-feup/kadabra/api/Joinpoints.js"],
+  importForSideEffects: [new URL("../api/Joinpoints.js", import.meta.url).href],
 };