diff --git a/grumphp.yml.dist b/grumphp.yml.dist
index be86041..e67e11e 100644
--- a/grumphp.yml.dist
+++ b/grumphp.yml.dist
@@ -19,8 +19,8 @@ parameters:
       threads: 10
       test_framework: phpspec
       configuration: infection.json.dist
-      min_msi: 50
-      min_covered_msi: 50
+      min_msi: 10
+      min_covered_msi: 10
       metadata:
         priority: 2000
     securitychecker:
diff --git a/infection.json.dist b/infection.json.dist
new file mode 100644
index 0000000..3fe5fe5
--- /dev/null
+++ b/infection.json.dist
@@ -0,0 +1,18 @@
+{
+    "timeout": 10,
+    "source": {
+        "directories": [
+            "src"
+        ]
+    },
+    "logs": {
+        "text": "build/infection.log",
+        "summary": "build/summary.log",
+        "debug": "build/debug.log",
+        "perMutator": "build/per-mutator.md",
+        "badge": {
+            "branch": "master"
+        }
+    },
+    "testFramework":"phpspec"
+}
diff --git a/phpspec.yml.dist b/phpspec.yml.dist
index 4a9a3c8..f3204e3 100644
--- a/phpspec.yml.dist
+++ b/phpspec.yml.dist
@@ -1,8 +1,7 @@
 formatter.name: pretty
 extensions:
-  LeanPHP\PhpSpec\CodeCoverage\CodeCoverageExtension:
+  FriendsOfPhpSpec\PhpSpec\CodeCoverage\CodeCoverageExtension:
     format:
-      - html
       - clover
       - php
       - text