diff --git a/packages/mirage-unikernel-dns-letsencrypt-hvt.0.0.2/opam b/packages/mirage-unikernel-dns-letsencrypt-hvt.0.0.2/opam
index 240cb89..0c555a2 100644
--- a/packages/mirage-unikernel-dns-letsencrypt-hvt.0.0.2/opam
+++ b/packages/mirage-unikernel-dns-letsencrypt-hvt.0.0.2/opam
@@ -11,8 +11,8 @@ depends: [ "arp" { >= "2.3.0" & < "3.0.0"}
            "duration" 
            "ethernet" { >= "2.2.0" & < "3.0.0"}
            "functoria-runtime" 
-           "letsencrypt" { >= "0.3.0"}
-           "letsencrypt-dns" { >= "0.3.0"}
+           "letsencrypt" { >= "0.4.0"}
+           "letsencrypt-dns" { >= "0.4.0"}
            "logs" 
            "lwt" 
            "mirage" {build &  >= "3.10.4" & < "3.11.0"}
diff --git a/packages/mirage-unikernel-dns-letsencrypt-monitoring-hvt.0.0.2/opam b/packages/mirage-unikernel-dns-letsencrypt-monitoring-hvt.0.0.2/opam
index 23beaf7..01cf6d8 100644
--- a/packages/mirage-unikernel-dns-letsencrypt-monitoring-hvt.0.0.2/opam
+++ b/packages/mirage-unikernel-dns-letsencrypt-monitoring-hvt.0.0.2/opam
@@ -11,8 +11,8 @@ depends: [ "arp" { >= "2.3.0" & < "3.0.0"}
            "duration" 
            "ethernet" { >= "2.2.0" & < "3.0.0"}
            "functoria-runtime" 
-           "letsencrypt" { >= "0.3.0"}
-           "letsencrypt-dns" { >= "0.3.0"}
+           "letsencrypt" { >= "0.4.0"}
+           "letsencrypt-dns" { >= "0.4.0"}
            "logs" 
            "logs-syslog" { >= "0.3.0" & < "0.4"}
            "lwt"