diff --git a/packages/caldav.0.2.99~dev/opam b/packages/caldav.0.2.99~dev/opam
index 5202ae3..d517bb5 100644
--- a/packages/caldav.0.2.99~dev/opam
+++ b/packages/caldav.0.2.99~dev/opam
@@ -24,27 +24,27 @@ depends: [
   "ocaml" {>= "4.08.0"}
   "dune" {>= "3.12"}
   "alcotest" {with-test & >= "0.8.5"}
-  "ounit" {with-test & >= "2.0.0"}
+  "ounit2" {with-test & >= "2.0.0"}
   "tcpip" {with-test & >= "3.7.0"}
   "mirage-clock-unix" {with-test & >= "2.0.0"}
   "mirage-kv-mem" {with-test & >= "2.0.0"}
   "fmt" {>= "0.8.7"}
   "mirage-kv" {>= "6.0.0"}
   "mirage-clock" {>= "2.0.0"}
-  "mirage-random" {>= "2.0.0" & < "4.0.0"}
   "ppx_deriving" {>= "4.3"}
   "lwt" {>= "4.0"}
   "ptime" {>= "0.8.5"}
   "cohttp" {>= "2.0.0"}
   "cohttp-lwt" {>= "2.0.0"}
   "cohttp-lwt-unix" {with-test & >= "2.0.0"}
-  "mirage-crypto"
-  "mirage-crypto-rng"
-  "mirage-crypto-rng-lwt" {with-test & >= "0.11.0"}
+  "digestif" {>= "1.2.0"}
+  "mirage-crypto-rng" {>= "1.0.0"}
+  "mirage-crypto-rng-mirage" {>= "1.0.0"}
+  "mirage-crypto-rng-lwt" {with-test & >= "1.0.0"}
   "base64" {>= "3.0.0"}
   "xmlm" {>= "1.3.0"}
   "tyxml" {>= "4.3.0"}
-  "icalendar" {>= "0.1.2"}
+  "icalendar" {>= "0.1.8"}
   "sexplib" {>= "v0.12.0"}
   "ppx_sexp_conv" {>= "v0.12.0"}
   "logs" {>= "0.6.3"}