diff --git a/.github/workflows/test-mutations.yml b/.github/workflows/test-mutations.yml
index 4216d4162..1f63d9193 100644
--- a/.github/workflows/test-mutations.yml
+++ b/.github/workflows/test-mutations.yml
@@ -77,4 +77,6 @@ jobs:
         run: "composer install --no-interaction --no-progress --no-suggest"
 
       - name: "Mutation Tests"
-        run: "composer test:mutation -- --logger-github=false"
+        run: |
+          git fetch origin $GITHUB_BASE_REF    
+          composer test:mutation -- --logger-github=false --threads=max --git-diff-lines --git-diff-base=origin/$GITHUB_BASE_REF --ignore-msi-with-no-mutations
diff --git a/inflection.json5.dist b/inflection.json5.dist
new file mode 100644
index 000000000..c234afb51
--- /dev/null
+++ b/inflection.json5.dist
@@ -0,0 +1,12 @@
+{
+    "$schema": "vendor/infection/infection/resources/schema.json",
+    "testFrameworkOptions": "--testsuite=unit",
+    "source": {
+        "directories": [
+            "src"
+        ]
+    },
+    "mutators": {
+        "@default": true,
+    }
+}