diff --git a/bincaml.opam b/bincaml.opam
index 75a65e1e..f86f83c6 100644
--- a/bincaml.opam
+++ b/bincaml.opam
@@ -11,7 +11,7 @@ homepage: "https://github.com/username/reponame"
 doc: "https://url/to/documentation"
 bug-reports: "https://github.com/username/reponame/issues"
 depends: [
-  "dune" {>= "3.24"}
+  "dune" {>= "3.19"}
   "ocaml"
   "unionFind"
   "capstone_arm64_disas"
diff --git a/bincaml_lsp.opam b/bincaml_lsp.opam
index 6e682864..71150ee0 100644
--- a/bincaml_lsp.opam
+++ b/bincaml_lsp.opam
@@ -10,7 +10,7 @@ homepage: "https://github.com/username/reponame"
 doc: "https://url/to/documentation"
 bug-reports: "https://github.com/username/reponame/issues"
 depends: [
-  "dune" {>= "3.24"}
+  "dune" {>= "3.19"}
   "menhir" {>= "20180523"}
   "ppx_expect"
   "bincaml"
diff --git a/capstone_arm64_disas.opam b/capstone_arm64_disas.opam
index 3d89ce4e..c9a86b1d 100644
--- a/capstone_arm64_disas.opam
+++ b/capstone_arm64_disas.opam
@@ -9,7 +9,7 @@ homepage: "https://github.com/username/reponame"
 doc: "https://url/to/documentation"
 bug-reports: "https://github.com/username/reponame/issues"
 depends: [
-  "dune" {>= "3.24"}
+  "dune" {>= "3.19"}
   "ocaml"
   "ppx_expect"
   "odoc" {with-doc}
diff --git a/dune-project b/dune-project
index bfbe8448..3878a8d8 100644
--- a/dune-project
+++ b/dune-project
@@ -1,4 +1,4 @@
-(lang dune 3.24)
+(lang dune 3.19)
 
 (using menhir 3.0)