diff --git a/odoc-parser.opam b/odoc-parser.opam
index 4d0e0bd305..b167c9a85d 100644
--- a/odoc-parser.opam
+++ b/odoc-parser.opam
@@ -14,7 +14,7 @@ dev-repo: "git+https://github.com/ocaml/odoc.git"
 doc: "https://ocaml.github.io/odoc/odoc_parser"
 depends: [
   "dune" {>= "3.7"}
-  "ocaml" {>= "4.02.0" & < "5.3"}
+  "ocaml" {>= "4.02.0" & < "5.4"}
   "astring"
   "result"
   "camlp-streams"
diff --git a/odoc.opam b/odoc.opam
index f41db59535..66485b6395 100644
--- a/odoc.opam
+++ b/odoc.opam
@@ -45,7 +45,7 @@ depends: [
   "cppo" {build & >= "1.1.0"}
   "dune" {>= "3.7.0"}
   "fpath"
-  "ocaml" {>= "4.02.0" & < "5.3"}
+  "ocaml" {>= "4.02.0" & < "5.4"}
   "result"
   "tyxml" {>= "4.4.0"}
   "fmt"