diff --git a/packages/albatross.1.4.2.1~dev/opam b/packages/albatross.1.4.2.1~dev/opam
index 583e587..14c0b36 100644
--- a/packages/albatross.1.4.2.1~dev/opam
+++ b/packages/albatross.1.4.2.1~dev/opam
@@ -18,7 +18,7 @@ depends: [
   "logs"
   "bos"
   "ptime"
-  "cmdliner" {>= "1.0.0"}
+  "cmdliner" {>= "1.0.0" & < "1.1.0"}
   "fmt" {>= "0.8.7"}
   "x509" {>= "0.13.0"}
   "tls" {>= "0.13.1"}