diff --git a/boot/ocamlc b/boot/ocamlc
index 40d98b7b2..1b455eeb7 100755
Binary files a/boot/ocamlc and b/boot/ocamlc differ
diff --git a/boot/ocamllex b/boot/ocamllex
index 17a6ff5f9..36e4c0e79 100755
Binary files a/boot/ocamllex and b/boot/ocamllex differ
diff --git a/runtime/caml/exec.h b/runtime/caml/exec.h
index 51627f792..a2cf546a9 100644
--- a/runtime/caml/exec.h
+++ b/runtime/caml/exec.h
@@ -60,7 +60,7 @@ struct exec_trailer {
 
 /* Magic number for this release */
 
-#define EXEC_MAGIC "Caml1999X027"
+#define EXEC_MAGIC "Caml1999X029"
 
 #endif /* CAML_INTERNALS */
 
diff --git a/utils/config.mlp b/utils/config.mlp
index 01a4561f6..10df2bdbe 100644
--- a/utils/config.mlp
+++ b/utils/config.mlp
@@ -85,26 +85,26 @@ let flat_float_array = %%FLAT_FLOAT_ARRAY%%
 let function_sections = %%FUNCTION_SECTIONS%%
 let afl_instrument = %%AFL_INSTRUMENT%%
 
-let exec_magic_number = "Caml1999X027"
+let exec_magic_number = "Caml1999X029"
     (* exec_magic_number is duplicated in runtime/caml/exec.h *)
-and cmi_magic_number = "Caml1999I027"
-and cmo_magic_number = "Caml1999O027"
-and cma_magic_number = "Caml1999A027"
+and cmi_magic_number = "Caml1999I029"
+and cmo_magic_number = "Caml1999O029"
+and cma_magic_number = "Caml1999A029"
 and cmx_magic_number =
   if flambda then
-    "Caml1999y027"
+    "Caml1999y029"
   else
-    "Caml1999Y027"
+    "Caml1999Y029"
 and cmxa_magic_number =
   if flambda then
-    "Caml1999z027"
+    "Caml1999z029"
   else
-    "Caml1999Z027"
-and ast_impl_magic_number = "Caml1999M027"
-and ast_intf_magic_number = "Caml1999N027"
-and cmxs_magic_number = "Caml1999D027"
-and cmt_magic_number = "Caml1999T027"
-and linear_magic_number = "Caml1999L027"
+    "Caml1999Z029"
+and ast_impl_magic_number = "Caml1999M029"
+and ast_intf_magic_number = "Caml1999N029"
+and cmxs_magic_number = "Caml1999D029"
+and cmt_magic_number = "Caml1999T029"
+and linear_magic_number = "Caml1999L029"
 
 let interface_suffix = ref ".mli"