diff --git a/packages/mirage-unikernel-dns-secondary-hvt.0.0.1/opam b/packages/mirage-unikernel-dns-secondary-hvt.0.0.1/opam
index 2c2228b..50b5bce 100644
--- a/packages/mirage-unikernel-dns-secondary-hvt.0.0.1/opam
+++ b/packages/mirage-unikernel-dns-secondary-hvt.0.0.1/opam
@@ -1,9 +1,9 @@
-# Generated by ./config.exe configure -t hvt (2020-12-04 14:44:28-00:00).
+# Generated by ./config.exe configure -t hvt --allocation-policy=best-fit (2021-04-26 20:33:58-00:00).
 opam-version: "2.0"
 name: "mirage-unikernel-secondary-hvt"
 depends: [ "arp" { >= "2.3.0" & < "3.0.0"}
-           "dns-server" { >= "4.3.0" & < "5.0.0"}
-           "dns-tsig" {< "5.0.0"}
+           "dns-server" { >= "5.0.0"}
+           "dns-tsig" 
            "ethernet" { >= "2.2.0" & < "3.0.0"}
            "functoria-runtime" 
            "logs" 
@@ -11,7 +11,7 @@ depends: [ "arp" { >= "2.3.0" & < "3.0.0"}
            "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-crypto-rng-mirage" { >= "0.8.0" & < "0.9.0"}
+           "mirage-crypto-rng-mirage" { >= "0.8.0" & < "0.11.0"}
            "mirage-logs" { >= "1.2.0" & < "2.0.0"}
            "mirage-net-solo5" { >= "0.6.1" & < "0.7.0"}
            "mirage-runtime" { >= "3.10.0" & < "3.11.0"}
@@ -22,14 +22,14 @@ depends: [ "arp" { >= "2.3.0" & < "3.0.0"}
            "ocamlbuild" {build}
            "ocamlfind" {build}
            "solo5-bindings-hvt" { >= "0.6.0" & < "0.7.0"}
-           "tcpip" { >= "6.0.0" & < "7.0.0"}
+           "tcpip" { >= "6.1.0" & < "7.0.0"}
 ]
 maintainer: "dummy"
 authors: "dummy"
 homepage: "dummy"
 bug-reports: "dummy"
 dev-repo: "git+https://example.com/nonexistent"
-build: [ "sh" "-exc" "mirage configure -t hvt && mirage build" ]
+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" ]
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 34177a7..e8f4c45 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
@@ -1,9 +1,9 @@
-# Generated by ./config.exe configure -t hvt --allocation-policy=best-fit (2021-01-18 16:54:31-00:00).
+# Generated by ./config.exe configure -t hvt --allocation-policy=best-fit (2021-04-26 20:36:46-00:00).
 opam-version: "2.0"
 name: "mirage-unikernel-secondary-hvt"
 depends: [ "arp" { >= "2.3.0" & < "3.0.0"}
-           "dns-server" { >= "4.3.0" & < "5.0.0"}
-           "dns-tsig" {< "5.0.0"}
+           "dns-server" { >= "5.0.0"}
+           "dns-tsig" 
            "ethernet" { >= "2.2.0" & < "3.0.0"}
            "functoria-runtime" 
            "logs" 
@@ -13,7 +13,7 @@ depends: [ "arp" { >= "2.3.0" & < "3.0.0"}
            "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-crypto-rng-mirage" { >= "0.8.0" & < "0.11.0"}
            "mirage-logs" { >= "1.2.0" & < "2.0.0"}
            "mirage-net-solo5" { >= "0.6.1" & < "0.7.0"}
            "mirage-runtime" { >= "3.10.0" & < "3.11.0"}
@@ -25,7 +25,7 @@ depends: [ "arp" { >= "2.3.0" & < "3.0.0"}
            "ocamlbuild" {build}
            "ocamlfind" {build}
            "solo5-bindings-hvt" { >= "0.6.0" & < "0.7.0"}
-           "tcpip" { >= "6.0.0" & < "7.0.0"}
+           "tcpip" { >= "6.1.0" & < "7.0.0"}
 ]
 maintainer: "dummy"
 authors: "dummy"