diff --git a/.circleci/config.yml b/.circleci/config.yml
index d2fb25a6..0e40dba8 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -39,4 +39,7 @@ jobs:
           key: v1-dependencies-{{ checksum "build.gradle" }}
 
       # run tests!
-      - run: ./gradlew test
+      - run: ./gradlew codeCoverageReport
+
+      # upload test results
+      - run: bash <(curl -s https://codecov.io/bash)
diff --git a/build.gradle b/build.gradle
index 7ca36707..0c893eb1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -45,6 +45,7 @@ allprojects {
 	apply plugin: "java"
 	apply plugin: "eclipse"
 	apply plugin: "idea"
+	apply plugin: "jacoco"
 	apply plugin: "maven"
 	apply plugin: "propdeps"
 	apply plugin: "propdeps-maven"
@@ -54,6 +55,10 @@ allprojects {
 
 	apply from: "${rootProject.projectDir}/publish-maven.gradle"
 
+	repositories {
+		mavenCentral()
+	}
+
 	if (project.hasProperty("platformVersion")) {
 		apply plugin: "spring-io"
 
@@ -176,6 +181,25 @@ configure(rootProject) {
 	}
 }
 
+task codeCoverageReport(type: JacocoReport) {
+	executionData fileTree(project.rootDir.absolutePath).include("**/build/jacoco/*.exec")
+
+	subprojects.each {
+		sourceSets it.sourceSets.main
+	}
+
+	reports {
+		xml.enabled true
+		xml.destination "${buildDir}/reports/jacoco/report.xml"
+		html.enabled false
+		csv.enabled false
+	}
+}
+
+codeCoverageReport.dependsOn {
+	subprojects*.test
+}
+
 task wrapper(type: Wrapper) {
 	gradleVersion = "4.3.1"
 }