diff --git a/packages/sail/sail.0.10/opam b/packages/sail/sail.0.10/opam
index 8fd7f11ffb2..7bfaf0cf09d 100644
--- a/packages/sail/sail.0.10/opam
+++ b/packages/sail/sail.0.10/opam
@@ -31,7 +31,7 @@ depends: [
   "ott" {>= "0.28"}
   "lem" {>= "2018-12-14"}
   "linksem" {>= "0.3"}
-  "omd"
+  "omd" {< "1.4"}
   "conf-gmp"
   "conf-zlib"
   "base64" {< "3.0.0"}
diff --git a/packages/sail/sail.0.11/opam b/packages/sail/sail.0.11/opam
index ba77db9a9a3..9bef846ff1f 100644
--- a/packages/sail/sail.0.11/opam
+++ b/packages/sail/sail.0.11/opam
@@ -31,7 +31,7 @@ depends: [
   "ott" {>= "0.28"}
   "lem" {>= "2018-12-14"}
   "linksem" {>= "0.3"}
-  "omd"
+  "omd" {< "1.4"}
   "conf-gmp"
   "conf-zlib"
   "base64" {< "3.0.0"}
diff --git a/packages/sail/sail.0.12/opam b/packages/sail/sail.0.12/opam
index 031cdeabbf2..0f22a1646ef 100644
--- a/packages/sail/sail.0.12/opam
+++ b/packages/sail/sail.0.12/opam
@@ -31,7 +31,7 @@ depends: [
   "ott" {>= "0.28"}
   "lem" {>= "2018-12-14"}
   "linksem" {>= "0.3"}
-  "omd"
+  "omd" {< "1.4"}
   "conf-gmp"
   "conf-zlib"
   "base64" {< "3.0.0"}
diff --git a/packages/sail/sail.0.13/opam b/packages/sail/sail.0.13/opam
index ea986a4ac6e..c437d0c3daa 100644
--- a/packages/sail/sail.0.13/opam
+++ b/packages/sail/sail.0.13/opam
@@ -31,7 +31,7 @@ depends: [
   "ott" {>= "0.28" & build}
   "lem" {>= "2018-12-14"}
   "linksem" {>= "0.3"}
-  "omd" {>= "1.3.1"}
+  "omd" {>= "1.3.1" & < "1.4"}
   "conf-gmp"
   "conf-zlib"
   "base64" {>= "3.1.0"}
diff --git a/packages/sail/sail.0.5/opam b/packages/sail/sail.0.5/opam
index 5fee3c6aea4..e7629560ee6 100644
--- a/packages/sail/sail.0.5/opam
+++ b/packages/sail/sail.0.5/opam
@@ -31,7 +31,7 @@ depends: [
   "ott" {>= "0.28"}
   "lem"
   "linksem" {>= "0.3"}
-  "omd"
+  "omd" {< "1.4"}
   "conf-gmp"
   "conf-zlib"
 ]
diff --git a/packages/sail/sail.0.6/opam b/packages/sail/sail.0.6/opam
index d5d5069771b..74f0308779c 100644
--- a/packages/sail/sail.0.6/opam
+++ b/packages/sail/sail.0.6/opam
@@ -31,7 +31,7 @@ depends: [
   "ott" {>= "0.28"}
   "lem" {>= "2018-12-14"}
   "linksem" {>= "0.3"}
-  "omd"
+  "omd" {< "1.4"}
   "conf-gmp"
   "conf-zlib"
 ]
diff --git a/packages/sail/sail.0.7.1/opam b/packages/sail/sail.0.7.1/opam
index e5e51f120a6..a53a01e3643 100644
--- a/packages/sail/sail.0.7.1/opam
+++ b/packages/sail/sail.0.7.1/opam
@@ -31,7 +31,7 @@ depends: [
   "ott" {>= "0.28"}
   "lem" {>= "2018-12-14"}
   "linksem" {>= "0.3"}
-  "omd"
+  "omd" {< "1.4"}
   "conf-gmp"
   "conf-zlib"
 ]
diff --git a/packages/sail/sail.0.7/opam b/packages/sail/sail.0.7/opam
index d36250610ec..dade36846b0 100644
--- a/packages/sail/sail.0.7/opam
+++ b/packages/sail/sail.0.7/opam
@@ -31,7 +31,7 @@ depends: [
   "ott" {>= "0.28"}
   "lem" {>= "2018-12-14"}
   "linksem" {>= "0.3"}
-  "omd"
+  "omd" {< "1.4"}
   "conf-gmp"
   "conf-zlib"
 ]
diff --git a/packages/sail/sail.0.8/opam b/packages/sail/sail.0.8/opam
index 72330b17e86..302f2639dc6 100644
--- a/packages/sail/sail.0.8/opam
+++ b/packages/sail/sail.0.8/opam
@@ -31,7 +31,7 @@ depends: [
   "ott" {>= "0.28"}
   "lem" {>= "2018-12-14"}
   "linksem" {>= "0.3"}
-  "omd"
+  "omd" {< "1.4"}
   "conf-gmp"
   "conf-zlib"
   "yojson"
diff --git a/packages/sail/sail.0.9/opam b/packages/sail/sail.0.9/opam
index aa9284e597b..7602752541a 100644
--- a/packages/sail/sail.0.9/opam
+++ b/packages/sail/sail.0.9/opam
@@ -31,7 +31,7 @@ depends: [
   "ott" {>= "0.28"}
   "lem" {>= "2018-12-14"}
   "linksem" {>= "0.3"}
-  "omd"
+  "omd" {< "1.4"}
   "conf-gmp"
   "conf-zlib"
   "base64" {< "3.0.0"}