diff --git a/utils/junit/src/main/java/org/onlab/junit/IntegrationTest.java b/utils/junit/src/main/java/org/onlab/junit/IntegrationTest.java
new file mode 100644
index 0000000..5f24537
--- /dev/null
+++ b/utils/junit/src/main/java/org/onlab/junit/IntegrationTest.java
@@ -0,0 +1,10 @@
+package org.onlab.junit;
+
+/**
+ * Marker interface used to separate unit tests from integration tests. All
+ * integration tests should be marked with:
+ * {@literal @Category}(IntegrationTest.class)
+ * so that they can be run separately.
+ */
+public interface IntegrationTest {
+}