diff --git a/.github/workflows/itest.yml b/.github/workflows/itest.yml
index 3a6c79b..c2e1b96 100644
--- a/.github/workflows/itest.yml
+++ b/.github/workflows/itest.yml
@@ -32,16 +32,14 @@ concurrency:
   group: itest-${{ github.ref }}
   cancel-in-progress: true
 jobs:
-  build:
+  itest:
     strategy:
       matrix:
         os: [ ubuntu-24.04, macos-15, windows-2022 ]
-        java: [ 21 ]
+        java: [ 22 ]
         node: [ 16 ]
         # lang: [Java, JavaScript]
         lang: [ Java ]
-        parser: [ 0.48.2 ]
-        tag: [ 0.48.2 ]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
@@ -53,9 +51,16 @@ jobs:
           distribution: 'zulu'
           java-version: ${{ matrix.java }}
       - run: npm install
-      - run: |
+      - shell: bash
+        run: |
           cd itest
-          node ../src/eoc.js "--parser=${{ matrix.parser }}" "--home-tag=${{ matrix.tag }}" --batch "--language=${{ matrix.lang }}" --easy dataize program
-          node ../src/eoc.js "--parser=${{ matrix.parser }}" "--home-tag=${{ matrix.tag }}" --batch --alone "--language=${{ matrix.lang }}" --easy dataize program
-          node ../src/eoc.js clean
-          node ../src/eoc.js "--parser=${{ matrix.parser }}" "--home-tag=${{ matrix.tag }}" --batch "--language=${{ matrix.lang }}" --easy test
+          declare -a opts=(
+            "../src/eoc.js"
+            "--batch"
+            "--language=${{ matrix.lang }}"
+            "--easy"
+          )
+          node "${opts[@]}" link
+          node "${opts[@]}" --alone dataize program
+          node "${opts[@]}" clean
+          node "${opts[@]}" test
diff --git a/eo-version.txt b/eo-version.txt
index e85205d..36328c4 100644
--- a/eo-version.txt
+++ b/eo-version.txt
@@ -1 +1 @@
-0.48.2
+0.49.1
diff --git a/home-tag.txt b/home-tag.txt
index e85205d..36328c4 100644
--- a/home-tag.txt
+++ b/home-tag.txt
@@ -1 +1 @@
-0.48.2
+0.49.1
diff --git a/mvnw/pom.xml b/mvnw/pom.xml
index 024cf19..41c37db 100644
--- a/mvnw/pom.xml
+++ b/mvnw/pom.xml
@@ -30,6 +30,8 @@ SOFTWARE.
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <eo.version>undefined</eo.version>
     <jeo.version>0.6.22</jeo.version>
+    <heap-size>256M</heap-size>
+    <stack-size>64M</stack-size>
   </properties>
   <dependencies>
     <dependency>
@@ -101,6 +103,8 @@ SOFTWARE.
           <failIfNoTests>true</failIfNoTests>
           <useFile>false</useFile>
           <trimStackTrace>false</trimStackTrace>
+          <runOrder>random</runOrder>
+          <argLine>-Xmx${heap-size} -Xss${stack-size}</argLine>
         </configuration>
       </plugin>
     </plugins>
diff --git a/src/commands/java/test.js b/src/commands/java/test.js
index 1eaeba7..f6373f9 100644
--- a/src/commands/java/test.js
+++ b/src/commands/java/test.js
@@ -30,5 +30,11 @@ const {mvnw, flags} = require('../../mvnw');
  * @return {Promise} of compile task
  */
 module.exports = function(opts) {
-  return mvnw(['surefire:test'].concat(flags(opts)));
+  return mvnw(
+    [
+      'surefire:test',
+      `-Dstack-size=${opts.stack}`,
+      `-Dheap-size=${opts.heap}`,
+    ].concat(flags(opts))
+  );
 };
diff --git a/src/eoc.js b/src/eoc.js
index 031b9e6..f67b7a2 100755
--- a/src/eoc.js
+++ b/src/eoc.js
@@ -310,7 +310,7 @@ program.command('link')
 
 program.command('dataize')
   .description('Run the single executable binary and dataize an object')
-  .option('--stack <size>', 'Set stack size for the virtual machine', '1M')
+  .option('--stack <size>', 'Set stack size for the virtual machine', '64M')
   .option('--heap <size>', 'Set the heap size for the VM', '256M')
   .action((str, opts) => {
     clear(str);
@@ -333,6 +333,8 @@ program.command('dataize')
 
 program.command('test')
   .description('Run all visible unit tests')
+  .option('--stack <size>', 'Set stack size for the virtual machine', '64M')
+  .option('--heap <size>', 'Set the heap size for the VM', '256M')
   .action((str, opts) => {
     clear(str);
     if (program.opts().alone == undefined) {
@@ -342,9 +344,9 @@ program.command('test')
         .then((r) => coms().transpile(program.opts()))
         .then((r) => coms().compile(program.opts()))
         .then((r) => coms().link(program.opts()))
-        .then((r) => coms().test(program.opts()));
+        .then((r) => coms().test({...program.opts(), ...str}));
     } else {
-      coms().test(program.opts());
+      coms().test({...program.opts(), ...str});
     }
   });
 
diff --git a/test/commands/test_test.js b/test/commands/test_test.js
index 0a111b4..92d4184 100644
--- a/test/commands/test_test.js
+++ b/test/commands/test_test.js
@@ -60,6 +60,8 @@ describe('test', function() {
       '--easy',
       `--parser=${parser}`,
       `--home-tag=${hash}`,
+      '--stack=16M',
+      '--heap=128M',
       '-s', path.resolve(home, 'src'),
       '-t', path.resolve(home, 'target'),
       `--language=${lang}`