diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index e4f46c2..e74b032 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -48,7 +48,7 @@ jobs:
             ${{ runner.os }}-gradle-${{ matrix.java-version }}-
 
       - name: Test with Gradle
-        run: ./gradlew build check --stacktrace
+        run: ./gradlew build check --stacktrace -PtestsBadgeApiKey=${{ secrets.TESTS_BADGE_API_KEY }}
 
       - name: SonarCloud
         if: success() && matrix.java-version == env.SONAR_JDK
diff --git a/lib/build.gradle.kts b/lib/build.gradle.kts
index bb44af8..397b847 100644
--- a/lib/build.gradle.kts
+++ b/lib/build.gradle.kts
@@ -1,5 +1,7 @@
 import org.gradle.api.tasks.testing.logging.TestExceptionFormat
 import org.gradle.api.tasks.testing.logging.TestLogEvent
+import java.net.*
+import java.net.http.*
 
 plugins {
     application
@@ -55,12 +57,45 @@ tasks {
         }
     }
 
-    withType<Test> {
+    test {
         useJUnitPlatform()
         testLogging {
             exceptionFormat = TestExceptionFormat.FULL
             events = setOf(TestLogEvent.PASSED, TestLogEvent.SKIPPED, TestLogEvent.FAILED)
         }
+        addTestListener(object : TestListener {
+            override fun beforeTest(p0: TestDescriptor?) = Unit
+            override fun beforeSuite(p0: TestDescriptor?) = Unit
+            override fun afterTest(desc: TestDescriptor, result: TestResult) = Unit
+            override fun afterSuite(desc: TestDescriptor, result: TestResult) {
+                if (desc.parent == null) {
+                    val passed = result.successfulTestCount
+                    val failed = result.failedTestCount
+                    val skipped = result.skippedTestCount
+
+                    if (project.properties["testsBadgeApiKey"] != null) {
+                        val apiKey = project.properties["testsBadgeApiKey"]
+                        val response: java.net.http.HttpResponse<String> = HttpClient.newHttpClient()
+                            .send(
+                                HttpRequest.newBuilder()
+                                    .uri(
+                                        URI(
+                                            "https://rife2.com/tests-badge/update/com.uwyn/urlencoder?" +
+                                                    "apiKey=$apiKey&" +
+                                                    "passed=$passed&" +
+                                                    "failed=$failed&" +
+                                                    "skipped=$skipped"
+                                        )
+                                    )
+                                    .POST(HttpRequest.BodyPublishers.noBody())
+                                    .build(), HttpResponse.BodyHandlers.ofString()
+                            )
+                        println("RESPONSE: " + response.statusCode())
+                        println(response.body())
+                    }
+                }
+            }
+        })
     }
 
     jacocoTestReport {