diff --git a/gradle/jacoco.gradle b/gradle/jacoco.gradle
index 4bd04aa6b888..486d0e4d89fa 100644
--- a/gradle/jacoco.gradle
+++ b/gradle/jacoco.gradle
@@ -43,7 +43,7 @@ ext {
         ],
         "iris"        : [
             "INSTRUCTION": 0.74,
-            "CLASS": 25
+            "CLASS": 26
         ],
         "lecture"      : [
             "INSTRUCTION": 0.86,