diff --git a/dune-project b/dune-project
index 86c44907..3c8a04cc 100644
--- a/dune-project
+++ b/dune-project
@@ -31,12 +31,12 @@
   ("lsp"
    (and
     (>= "1.19")
-    (< "1.22")))
+    (<= "1.22")))
   atomic
   ("jsonrpc"
    (and
     (>= "1.19")
-    (< "1.22")))
+    (<= "1.22")))
   ("ocaml"
    (>= "4.14"))
   ("odoc" :with-doc)))
@@ -57,11 +57,11 @@
   ("lsp"
    (and
     (>= "1.19")
-    (< "1.22")))
+    (<= "1.22")))
   ("jsonrpc"
    (and
     (>= "1.19")
-    (< "1.22")))
+    (<= "1.22")))
   ("odoc" :with-doc)))
 
 (package
@@ -82,9 +82,9 @@
   ("lsp"
    (and
     (>= "1.19")
-    (< "1.22")))
+    (<= "1.22")))
   ("jsonrpc"
    (and
     (>= "1.19")
-    (< "1.22")))
+    (<= "1.22")))
   ("odoc" :with-doc)))
diff --git a/linol-eio.opam b/linol-eio.opam
index e2cd256b..9b380ad3 100644
--- a/linol-eio.opam
+++ b/linol-eio.opam
@@ -14,8 +14,8 @@ depends: [
   "base-unix"
   "eio" {>= "1.0" & < "2.0"}
   "eio_main" {with-test}
-  "lsp" {>= "1.19" & < "1.22"}
-  "jsonrpc" {>= "1.19" & < "1.22"}
+  "lsp" {>= "1.19" & <= "1.22"}
+  "jsonrpc" {>= "1.19" & <= "1.22"}
   "odoc" {with-doc}
 ]
 build: [
diff --git a/linol-lwt.opam b/linol-lwt.opam
index 60dbc2d6..0f0faef3 100644
--- a/linol-lwt.opam
+++ b/linol-lwt.opam
@@ -13,8 +13,8 @@ depends: [
   "linol" {= version}
   "base-unix"
   "lwt" {>= "5.1" & < "6.0"}
-  "lsp" {>= "1.19" & < "1.22"}
-  "jsonrpc" {>= "1.19" & < "1.22"}
+  "lsp" {>= "1.19" & <= "1.22"}
+  "jsonrpc" {>= "1.19" & <= "1.22"}
   "odoc" {with-doc}
 ]
 build: [
diff --git a/linol.opam b/linol.opam
index a529203c..1c1af6db 100644
--- a/linol.opam
+++ b/linol.opam
@@ -12,9 +12,9 @@ depends: [
   "yojson" {>= "1.6"}
   "logs"
   "trace" {>= "0.4"}
-  "lsp" {>= "1.19" & < "1.22"}
+  "lsp" {>= "1.19" & <= "1.22"}
   "atomic"
-  "jsonrpc" {>= "1.19" & < "1.22"}
+  "jsonrpc" {>= "1.19" & <= "1.22"}
   "ocaml" {>= "4.14"}
   "odoc" {with-doc}
 ]