diff --git a/packages/mirage-unikernel-dns-letsencrypt-monitoring-hvt.0.0.1/opam b/packages/mirage-unikernel-dns-letsencrypt-monitoring-hvt.0.0.1/opam
index a271fa6..db306db 100644
--- a/packages/mirage-unikernel-dns-letsencrypt-monitoring-hvt.0.0.1/opam
+++ b/packages/mirage-unikernel-dns-letsencrypt-monitoring-hvt.0.0.1/opam
@@ -4,9 +4,9 @@ name: "mirage-unikernel-letsencrypt-hvt"
 depends: [ "arp" { >= "2.3.0" & < "3.0.0"}
            "cohttp-mirage" 
            "conduit-mirage" { >= "2.2.0" & < "3.0.0"}
-           "dns-certify" { >= "4.6.0"}
-           "dns-server" { >= "4.4.0"}
-           "dns-tsig" 
+           "dns-certify" { >= "4.6.0" & < "5.0.0" }
+           "dns-server" { >= "4.4.0" & < "5.0.0" }
+           "dns-tsig" {< "5.0.0"}
            "domain-name" { >= "0.3.0"}
            "duration" 
            "ethernet" { >= "2.2.0" & < "3.0.0"}
diff --git a/packages/mirage-unikernel-dns-secondary-monitoring-hvt.0.0.1/opam b/packages/mirage-unikernel-dns-secondary-monitoring-hvt.0.0.1/opam
index 4f97bfa..34177a7 100644
--- a/packages/mirage-unikernel-dns-secondary-monitoring-hvt.0.0.1/opam
+++ b/packages/mirage-unikernel-dns-secondary-monitoring-hvt.0.0.1/opam
@@ -1,37 +1,38 @@
-# Generated by ./config.exe configure -t hvt (2020-08-01 16:13:09-00:00).
+# Generated by ./config.exe configure -t hvt --allocation-policy=best-fit (2021-01-18 16:54:31-00:00).
 opam-version: "2.0"
 name: "mirage-unikernel-secondary-hvt"
-depends: [ "arp-mirage" { >= "2.2.0" & < "3.0.0"}
+depends: [ "arp" { >= "2.3.0" & < "3.0.0"}
            "dns-server" { >= "4.3.0" & < "5.0.0"}
            "dns-tsig" {< "5.0.0"}
            "ethernet" { >= "2.2.0" & < "3.0.0"}
            "functoria-runtime" 
            "logs" 
-           "logs-syslog" {< "0.3.0"}
+           "logs-syslog" { >= "0.3.0"}
            "lwt" 
-           "mirage" {build &  >= "3.9.0" & < "3.10.0"}
+           "mirage" {build &  >= "3.10.0" & < "3.11.0"}
            "mirage-bootvar-solo5" { >= "0.6.0" & < "0.7.0"}
            "mirage-clock-freestanding" { >= "3.0.0" & < "4.0.0"}
            "mirage-console-solo5" { >= "0.6.1" & < "0.7.0"}
            "mirage-crypto-rng-mirage" { >= "0.8.0" & < "0.9.0"}
            "mirage-logs" { >= "1.2.0" & < "2.0.0"}
            "mirage-net-solo5" { >= "0.6.1" & < "0.7.0"}
-           "mirage-runtime" { >= "3.9.0" & < "3.10.0"}
+           "mirage-runtime" { >= "3.10.0" & < "3.11.0"}
            "mirage-solo5" { >= "0.6.1" & < "0.7.0"}
-           "mirage-types" { >= "3.9.0" & < "3.10.0"}
-           "mirage-types-lwt" { >= "3.9.0" & < "3.10.0"}
-           "monitoring-experiments" 
-           "ocaml" {build &  >= "4.06.0"}
+           "mirage-types" { >= "3.10.0" & < "3.11.0"}
+           "mirage-types-lwt" { >= "3.10.0" & < "3.11.0"}
+           "monitoring-experiments" { >= "0.0.2"}
+           "ocaml" {build &  >= "4.08.0"}
            "ocamlbuild" {build}
            "ocamlfind" {build}
            "solo5-bindings-hvt" { >= "0.6.0" & < "0.7.0"}
-           "tcpip" { >= "5.0.0" & < "6.0.0"}
+           "tcpip" { >= "6.0.0" & < "7.0.0"}
 ]
 maintainer: "dummy"
 authors: "dummy"
 homepage: "dummy"
 bug-reports: "dummy"
-build: [ "sh" "-exc" "mirage configure -t hvt && mirage build" ]
+dev-repo: "git+https://example.com/nonexistent"
+build: [ "sh" "-exc" "mirage configure -t hvt --allocation-policy=best-fit && mirage build" ]
 synopsis: "This is a dummy"
 install: [
   [ "cp" "secondary.hvt" "%{bin}%/secondary.hvt" ]