diff --git a/internal/junitxml/report.go b/internal/junitxml/report.go
index 1b50e816..d679a8cc 100644
--- a/internal/junitxml/report.go
+++ b/internal/junitxml/report.go
@@ -31,6 +31,7 @@ type JUnitTestSuite struct {
 	Name       string          `xml:"name,attr"`
 	Properties []JUnitProperty `xml:"properties>property,omitempty"`
 	TestCases  []JUnitTestCase
+	Timestamp  string `xml:"timestamp,attr"`
 }
 
 // JUnitTestCase is a single test case with its result.
@@ -92,6 +93,7 @@ func generate(exec *testjson.Execution, cfg Config) JUnitTestSuites {
 			Properties: packageProperties(version),
 			TestCases:  packageTestCases(pkg, cfg.FormatTestCaseClassname),
 			Failures:   len(pkg.Failed),
+			Timestamp:  exec.Started().Format(time.RFC3339),
 		}
 		suites.Suites = append(suites.Suites, junitpkg)
 	}
diff --git a/testjson/execution.go b/testjson/execution.go
index 8be09395..a5c2f94c 100644
--- a/testjson/execution.go
+++ b/testjson/execution.go
@@ -564,6 +564,10 @@ func (e *Execution) end() []TestEvent {
 	return result
 }
 
+func (e *Execution) Started() time.Time {
+	return e.started
+}
+
 // newExecution returns a new Execution and records the current time as the
 // time the test execution started.
 func newExecution() *Execution {