diff --git a/dune-project b/dune-project
index 05ed3dfe..7467d2d6 100644
--- a/dune-project
+++ b/dune-project
@@ -60,7 +60,7 @@
   (integers
    (>= 0.5.1))
   (ocaml_intrinsics
-    (>= "v0.17.0"))
+    (>= "v0.16.1"))
   (prelude
     (>= 0.5))
   (processor
diff --git a/owi.opam b/owi.opam
index 00b3782e..565f5ada 100644
--- a/owi.opam
+++ b/owi.opam
@@ -27,7 +27,7 @@ depends: [
   "cmdliner" {>= "1.3.0"}
   "digestif" {>= "1.2.0"}
   "integers" {>= "0.5.1"}
-  "ocaml_intrinsics" {>= "v0.17.0"}
+  "ocaml_intrinsics" {>= "v0.16.1"}
   "prelude" {>= "0.5"}
   "processor" {>= "0.2"}
   "sedlex" {>= "3.3"}