diff --git a/jdk/test/sun/security/tools/jarsigner/TimestampCheck.java b/jdk/test/sun/security/tools/jarsigner/TimestampCheck.java
index 6e3d418f978..abf576ec8d0 100644
--- a/jdk/test/sun/security/tools/jarsigner/TimestampCheck.java
+++ b/jdk/test/sun/security/tools/jarsigner/TimestampCheck.java
@@ -1037,7 +1037,7 @@ static void prepare() throws Exception {
         }
 
         gencert("tsold", "-ext eku:critical=ts -startdate -40d -validity 500");
-        gencert("tsbefore2019", "-ext eku:critical=ts -startdate 2018/01/01 -validity 3000");
+        gencert("tsbefore2019", "-ext eku:critical=ts -startdate 2018/01/01 -validity 5000");
 
         gencert("tsweak", "-ext eku:critical=ts");
         gencert("tsdisabled", "-ext eku:critical=ts");