diff --git a/.mvn/extensions.xml b/.mvn/extensions.xml
new file mode 100644
index 0000000..b37c2cf
--- /dev/null
+++ b/.mvn/extensions.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<extensions>
+    <extension>
+        <!-- https://github.com/seregamorph/maven-surefire-cached -->
+        <groupId>com.github.seregamorph</groupId>
+        <artifactId>surefire-cached-extension</artifactId>
+        <version>0.31</version>
+    </extension>
+</extensions>
diff --git a/.mvn/surefire-cached.json b/.mvn/surefire-cached.json
new file mode 100644
index 0000000..77c4a8b
--- /dev/null
+++ b/.mvn/surefire-cached.json
@@ -0,0 +1,30 @@
+{
+  "//": "Configuration for Maven surefire-cached-extension",
+  "common": {
+    "inputIgnoredProperties": [
+      "java.version",
+      "os.arch",
+      "os.name"
+    ],
+    "excludeModules": [
+    ]
+  },
+  "surefire": {
+    "artifacts": {
+      "surefire-reports": {
+        "includes": [
+          "surefire-reports/TEST-*.xml"
+        ]
+      }
+    }
+  },
+  "failsafe": {
+    "artifacts": {
+      "failsafe-reports": {
+        "includes": [
+          "failsafe-reports/TEST-*.xml"
+        ]
+      }
+    }
+  }
+}