diff --git a/testing/tests/regression-suite/004-Mulberry-1.result b/testing/tests/regression-suite/004-Mulberry-1.result
index f7d64205..2c6bd086 100644
--- a/testing/tests/regression-suite/004-Mulberry-1.result
+++ b/testing/tests/regression-suite/004-Mulberry-1.result
@@ -1,5 +1,6 @@
 HTTP/1.1 201 Created
 Date: Dow, 01 Jan 2000 00:00:00 GMT
+Cache-Control: no-cache
 Content-Length: 0
 Content-Type: text/plain; charset=UTF-8
 
diff --git a/testing/tests/regression-suite/016-Mulberry-MKCALENDAR-3.result b/testing/tests/regression-suite/016-Mulberry-MKCALENDAR-3.result
index f7d64205..2c6bd086 100644
--- a/testing/tests/regression-suite/016-Mulberry-MKCALENDAR-3.result
+++ b/testing/tests/regression-suite/016-Mulberry-MKCALENDAR-3.result
@@ -1,5 +1,6 @@
 HTTP/1.1 201 Created
 Date: Dow, 01 Jan 2000 00:00:00 GMT
+Cache-Control: no-cache
 Content-Length: 0
 Content-Type: text/plain; charset=UTF-8
 
diff --git a/testing/tests/regression-suite/305-Chandler-MKCOL-1.result b/testing/tests/regression-suite/305-Chandler-MKCOL-1.result
index 20fb54fb..aace9696 100644
--- a/testing/tests/regression-suite/305-Chandler-MKCOL-1.result
+++ b/testing/tests/regression-suite/305-Chandler-MKCOL-1.result
@@ -1,5 +1,6 @@
 HTTP/1.1 201 Created
 Date: Dow, 01 Jan 2000 00:00:00 GMT
+Cache-Control: no-cache
 Content-Length: 0
 Content-Type: text/plain; charset=UTF-8