diff --git a/compiler/lib/magic_number.ml b/compiler/lib/magic_number.ml
index c8ada0ca13..eaf13d2043 100644
--- a/compiler/lib/magic_number.ml
+++ b/compiler/lib/magic_number.ml
@@ -76,7 +76,7 @@ let current_exe =
     | `V4_12 -> 29
     | `V4_13 -> 30
     | `V4_14 -> 31
-    | `V5_00 -> 31
+    | `V5_00 -> 32
   in
   "Caml1999X", v
 
@@ -93,7 +93,7 @@ let current_cmo =
     | `V4_12 -> 29
     | `V4_13 -> 30
     | `V4_14 -> 31
-    | `V5_00 -> 31
+    | `V5_00 -> 32
   in
   "Caml1999O", v
 
@@ -110,7 +110,7 @@ let current_cma =
     | `V4_12 -> 29
     | `V4_13 -> 30
     | `V4_14 -> 31
-    | `V5_00 -> 31
+    | `V5_00 -> 32
   in
   "Caml1999A", v