diff --git a/packages/irmin-unix/irmin-unix.1.3.3/opam b/packages/irmin-unix/irmin-unix.1.3.3/opam
index 6c4dbcc0f53..348f7a3047d 100644
--- a/packages/irmin-unix/irmin-unix.1.3.3/opam
+++ b/packages/irmin-unix/irmin-unix.1.3.3/opam
@@ -14,14 +14,14 @@ build: [
 ]
 depends: [
   "ocaml" {>= "4.01.0"}
-  "jbuilder" {>= "1.0+beta10"}
-  "irmin" {>= "1.3.0" & < "2.0.0"}
-  "irmin-mem" {>= "1.3.0" & < "2.0.0"}
-  "irmin-git" {>= "1.3.0" & < "2.0.0"}
-  "irmin-http" {>= "1.3.0" & < "2.0.0"}
-  "irmin-fs" {>= "1.3.0" & < "2.0.0"}
-  "git-unix" {>= "1.11.4" & < "2.0.0"}
-  "irmin-watcher" {>= "0.2.0"}
+  "jbuilder" {= "transition"}
+  "irmin" {= "1.4.0"}
+  "irmin-mem" {= "1.3.0"}
+  "irmin-git" {= "1.3.0"}
+  "irmin-http" {= "1.3.3"}
+  "irmin-fs" {= "1.3.0"}
+  "git-unix" {= "1.11.5"}
+  "irmin-watcher" {= "0.3.0"}
   "alcotest" {with-test}
   "mtime" {with-test & >= "1.0.0"}
 ]