diff --git a/test/sun/security/tools/jarsigner/concise_jarsigner.sh b/test/sun/security/tools/jarsigner/concise_jarsigner.sh
index 8033b8b287a36850af6b791d2487cf280c84983b..2a94d151babd29280cc0dadc9dc166901f018b31 100644
--- a/test/sun/security/tools/jarsigner/concise_jarsigner.sh
+++ b/test/sun/security/tools/jarsigner/concise_jarsigner.sh
@@ -68,8 +68,8 @@ YEAR=`date +%Y`
 # First part: output format
 # ==========================================================
 
-$KT -genkeypair -alias a1 -dname CN=a1 -validity 365
-$KT -genkeypair -alias a2 -dname CN=a2 -validity 365
+$KT -genkeypair -alias a1 -dname CN=a1 -validity 366
+$KT -genkeypair -alias a2 -dname CN=a2 -validity 366
 
 # a.jar includes 8 unsigned, 2 signed by a1 and a2, 2 signed by a3
 $JAR cvf a.jar A1.class A2.class