diff --git a/regress/cert-hostkey.sh b/regress/cert-hostkey.sh
index 86ea6250..844adabc 100644
--- a/regress/cert-hostkey.sh
+++ b/regress/cert-hostkey.sh
@@ -252,7 +252,7 @@ test_one() {
 test_one "user-certificate"	failure "-n $HOSTS"
 test_one "empty principals"	success "-h"
 test_one "wrong principals"	failure "-h -n foo"
-test_one "cert not yet valid"	failure "-h -V20200101:20300101"
+test_one "cert not yet valid"	failure "-h -V20300101:20320101"
 test_one "cert expired"		failure "-h -V19800101:19900101"
 test_one "cert valid interval"	success "-h -V-1w:+2w"
 test_one "cert has constraints"	failure "-h -Oforce-command=false"
diff --git a/regress/cert-userkey.sh b/regress/cert-userkey.sh
index 38c14a69..5cd02fc3 100644
--- a/regress/cert-userkey.sh
+++ b/regress/cert-userkey.sh
@@ -338,7 +338,7 @@ test_one() {
 test_one "correct principal"	success "-n ${USER}"
 test_one "host-certificate"	failure "-n ${USER} -h"
 test_one "wrong principals"	failure "-n foo"
-test_one "cert not yet valid"	failure "-n ${USER} -V20200101:20300101"
+test_one "cert not yet valid"	failure "-n ${USER} -V20300101:20320101"
 test_one "cert expired"		failure "-n ${USER} -V19800101:19900101"
 test_one "cert valid interval"	success "-n ${USER} -V-1w:+2w"
 test_one "wrong source-address"	failure "-n ${USER} -Osource-address=10.0.0.0/8"