diff --git a/selftest/target/Samba4.pm b/selftest/target/Samba4.pm
index 32114c3a5ec..6ee56b393c3 100755
--- a/selftest/target/Samba4.pm
+++ b/selftest/target/Samba4.pm
@@ -925,16 +925,16 @@ sub provision($$$$$$$$$$)
 [tmp]
 	path = $ctx->{share}
 	read only = no
-	posix:sharedelay = 10000
+	posix:sharedelay = 100000
 	posix:oplocktimeout = 3
-	posix:writetimeupdatedelay = 50000
+	posix:writetimeupdatedelay = 500000
 
 [xcopy_share]
 	path = $ctx->{share}
 	read only = no
-	posix:sharedelay = 10000
+	posix:sharedelay = 100000
 	posix:oplocktimeout = 3
-	posix:writetimeupdatedelay = 50000
+	posix:writetimeupdatedelay = 500000
 	create mask = 777
 	force create mode = 777
 
@@ -949,16 +949,16 @@ sub provision($$$$$$$$$$)
 [test1]
 	path = $ctx->{share}/test1
 	read only = no
-	posix:sharedelay = 10000
+	posix:sharedelay = 100000
 	posix:oplocktimeout = 3
-	posix:writetimeupdatedelay = 50000
+	posix:writetimeupdatedelay = 500000
 
 [test2]
 	path = $ctx->{share}/test2
 	read only = no
-	posix:sharedelay = 10000
+	posix:sharedelay = 100000
 	posix:oplocktimeout = 3
-	posix:writetimeupdatedelay = 50000
+	posix:writetimeupdatedelay = 500000
 
 [cifs]
 	path = $ctx->{share}/_ignore_cifs_
diff --git a/source4/selftest/tests.py b/source4/selftest/tests.py
index 070586d2e26..ff675ba50e3 100755
--- a/source4/selftest/tests.py
+++ b/source4/selftest/tests.py
@@ -232,7 +232,7 @@ for t in nbt_tests:
     plansmbtorture4testsuite(t, "ad_dc_ntvfs", "//$SERVER/_none_ -U\"$USERNAME%$PASSWORD\"")
 
 # Tests against the NTVFS POSIX backend
-ntvfsargs = ["--option=torture:sharedelay=10000", "--option=torture:oplocktimeout=3", "--option=torture:writetimeupdatedelay=50000"]
+ntvfsargs = ["--option=torture:sharedelay=100000", "--option=torture:oplocktimeout=3", "--option=torture:writetimeupdatedelay=500000"]
 
 smb2 = smbtorture4_testsuites("smb2.")
 #The QFILEINFO-IPC test needs to be on ipc$