diff --git a/tests/vm/openbsd b/tests/vm/openbsd
index 6df5162dbf440fed0c0f898cc1f51844cfd29003..d6173506f783e4ebd7878a41a3ddae3857c5615e 100755
--- a/tests/vm/openbsd
+++ b/tests/vm/openbsd
@@ -22,8 +22,8 @@ class OpenBSDVM(basevm.BaseVM):
     name = "openbsd"
     arch = "x86_64"
 
-    link = "https://cdn.openbsd.org/pub/OpenBSD/6.5/amd64/install65.iso"
-    csum = "38d1f8cadd502f1c27bf05c5abde6cc505dd28f3f34f8a941048ff9a54f9f608"
+    link = "https://cdn.openbsd.org/pub/OpenBSD/6.6/amd64/install66.iso"
+    csum = "b22e63df56e6266de6bbeed8e9be0fbe9ee2291551c5bc03f3cc2e4ab9436ee3"
     size = "20G"
     pkgs = [
         # tools