diff --git a/flake.lock b/flake.lock
index 3cf8985e44c5fe34290d1b1ebab35a64f47c2100..2076139d677f535e36405d926f44db2dd61b6c64 100644
--- a/flake.lock
+++ b/flake.lock
@@ -121,11 +121,11 @@
     "opam-repository": {
       "flake": false,
       "locked": {
-        "lastModified": 1734734649,
-        "narHash": "sha256-/v7vZQbiCjBaXFEkSZH6llNOe6VuGiLDOFsWKDa9h6s=",
+        "lastModified": 1736340517,
+        "narHash": "sha256-V7L5xjLAA0GlP4U5gDXMgtr43tkpBYyr43X4SPMr9iI=",
         "owner": "ocaml",
         "repo": "opam-repository",
-        "rev": "1db3104e98a25ff2b5f859189c9408dc760260e7",
+        "rev": "e566c29b12a9c284b68b3f6cbe7fbd4e8452406f",
         "type": "github"
       },
       "original": {
diff --git a/manifest/externals.ml b/manifest/externals.ml
index 62d757dd8cba84f44ece6e3f756b61169f5fbe61..a47b6ac4b0dd7f0656beb6a73ebb6014a07761ae 100644
--- a/manifest/externals.ml
+++ b/manifest/externals.ml
@@ -203,7 +203,7 @@ let optint = external_lib "optint" V.True
 
 let ppx_expect = inline_tests_backend (external_lib "ppx_expect" V.True)
 
-let ppxlib = external_lib "ppxlib" V.True
+let ppxlib = external_lib "ppxlib" V.(at_least "0.34.0")
 
 let ppxlib_metaquot = external_sublib ppxlib "ppxlib.metaquot"
 
diff --git a/opam/octez-internal-libs.opam b/opam/octez-internal-libs.opam
index ff876c710d46858c1b6e686f2f103264b10bba4f..4fc3d44c07da529349059677037a4de5ac1b980e 100644
--- a/opam/octez-internal-libs.opam
+++ b/opam/octez-internal-libs.opam
@@ -17,7 +17,7 @@ depends: [
   "ocaml" { >= "4.14" }
   "ppx_repr" { >= "0.6.0" }
   "logs"
-  "ppxlib"
+  "ppxlib" { >= "0.34.0" }
   "bigstringaf" { >= "0.5.0" }
   "fmt" { >= "0.8.7" }
   "astring"
diff --git a/opam/octez-libs.opam b/opam/octez-libs.opam
index 2a493a6376c06476b4ea3766c0b04b707c68d8a8..66fad20189ba230a15ec9f2631122b01355a03fc 100644
--- a/opam/octez-libs.opam
+++ b/opam/octez-libs.opam
@@ -64,7 +64,7 @@ depends: [
   "progress" { >= "0.1.0" }
   "camlp-streams" { >= "5.0.1" }
   "uutf"
-  "ppxlib"
+  "ppxlib" { >= "0.34.0" }
   "bheap" { >= "2.0.0" }
   "digestif" { >= "0.9.0" }
   "jsonm"
diff --git a/opam/virtual/octez-deps.opam b/opam/virtual/octez-deps.opam
index 5366d8dc88f77137a2c8b90fd92a72db0315fc6c..dfa87e649bbb66cb0daf18fb783351d6a71612fd 100644
--- a/opam/virtual/octez-deps.opam
+++ b/opam/virtual/octez-deps.opam
@@ -86,7 +86,7 @@ depends: [
   "ppx_import"
   "ppx_repr" { >= "0.6.0" }
   "ppx_sexp_conv"
-  "ppxlib"
+  "ppxlib" { >= "0.34.0" }
   "prbnmcn-linalg" { = "0.0.1" }
   "prbnmcn-stats" { = "0.0.6" }
   "pringo" { >= "1.3" & < "1.4" }
diff --git a/opam/virtual/octez-deps.opam.locked b/opam/virtual/octez-deps.opam.locked
index ade410f0cbd6db3a5bd12f0334236b9f758aeee7..4d14fbd195937fa52a2edf3e1ce8ee8a1b36f536 100644
--- a/opam/virtual/octez-deps.opam.locked
+++ b/opam/virtual/octez-deps.opam.locked
@@ -197,7 +197,7 @@ depends: [
   "ppx_optcomp" {= "v0.16.0"}
   "ppx_repr" {= "0.7.0"}
   "ppx_sexp_conv" {= "v0.16.0"}
-  "ppxlib" {= "0.33.0"}
+  "ppxlib" {= "0.34.0"}
   "prbnmcn-basic-structures" {= "0.0.1"}
   "prbnmcn-linalg" {= "0.0.1"}
   "prbnmcn-stats" {= "0.0.6"}
diff --git a/scripts/version.sh b/scripts/version.sh
index dd93a68fa4f30d3c24d3e865efa057608222809c..fde80395a8b7d26613a0404f065b10421025e129 100644
--- a/scripts/version.sh
+++ b/scripts/version.sh
@@ -24,7 +24,7 @@ export recommended_node_version=18.18.2
 
 ## opam_repository is a commit hash of the public opam repository, i.e.
 ## https://github.com/ocaml/opam-repository
-export opam_repository_tag=1db3104e98a25ff2b5f859189c9408dc760260e7
+export opam_repository_tag=e566c29b12a9c284b68b3f6cbe7fbd4e8452406f
 
 # SHA-256 hashes of the DAL SRSs, as used in 'scripts/install_dal_trusted_setup.sh' to verify
 # integrity of downloaded SRS.
diff --git a/src/lib_ppx_profiler/error.ml b/src/lib_ppx_profiler/error.ml
index 10dd04cee64bae048efa0f88031c0c5ee9f2d81b..565f5f2780804e7a0d7b35af13942f78ad768b11 100644
--- a/src/lib_ppx_profiler/error.ml
+++ b/src/lib_ppx_profiler/error.ml
@@ -7,7 +7,7 @@
 
 type error =
   | Invalid_action of string
-  | Invalid_payload
+  | Invalid_payload of bool * Ppxlib.payload
   | Invalid_aggregate of Key.t
   | Invalid_custom of Key.t
   | Invalid_mark of Key.t
@@ -15,18 +15,19 @@ type error =
   | Invalid_span of Key.t
   | Invalid_stop of Key.t
   | Invalid_list_of_driver_ids of Ppxlib.expression list
-  | Improper_field of (Longident.t Location.loc * Ppxlib.expression)
-  | Improper_list_field of (Longident.t Location.loc * Ppxlib.expression)
+  | Improper_field of (Ppxlib.longident_loc * Ppxlib.expression)
+  | Improper_list_field of (Ppxlib.longident_loc * Ppxlib.expression)
   | Improper_let_binding of Ppxlib.expression
-  | Improper_record of (Ppxlib.Ast.longident_loc * Ppxlib.expression) list
+  | Improper_record of (Ppxlib.longident_loc * Ppxlib.expression) list
   | Malformed_attribute of Ppxlib.expression
   | No_verbosity of Key.t
 
 let pp_field ppf (lident, expr) =
   Format.fprintf
     ppf
-    "%s = %a"
-    (Ppxlib.Longident.name lident.Ppxlib.txt)
+    "%a = %a"
+    Ppxlib.Pprintast.longident
+    lident.Ppxlib.txt
     Ppxlib.Pprintast.expression
     expr
 
@@ -44,14 +45,28 @@ let error loc err =
                   Format.fprintf ppf "%s" (Constants.get_action constant)))
             Constants.constants
             action )
-    | Invalid_payload ->
+    | Invalid_payload (missing_record, payload) ->
         ( "Invalid or empty attribute payload.",
           Format.asprintf
             "@[<v 2>Accepted attributes payload are:@,\
-             - `[@profiler.aggregate_* <string or ident>]@,\
-             - `[@profiler.mark [<list of strings or ident>]]@,\
-             - `[@profiler.record_* <string or ident>]@,\
-             - `[@profiler.span_* <list of strings or ident>]@." )
+             - [@profiler.aggregate_* <record> <string or ident>]@,\
+             - [@profiler.mark <record> [<list of strings or ident>]]@,\
+             - [@profiler.record_* <record> <string or ident>]@,\
+             - [@profiler.span_* <record> <list of strings or ident>]@,\
+             %aFound: @[<v 0>%a@]@."
+            (fun ppf () ->
+              if missing_record then
+                Format.fprintf
+                  ppf
+                  "@[<v 2>With <record> containing the following fields:@,\
+                   - verbosity@,\
+                   - profiler_module@,\
+                   - metadata@,\
+                   - drivers_ids@]@,"
+              else ())
+            ()
+            Ppxlib.Pprintast.payload
+            payload )
     | Invalid_aggregate key ->
         ( "Invalid aggregate.",
           Format.asprintf
@@ -103,7 +118,7 @@ let error loc err =
             "@[<v 2>It looks like you tried to provide a list of opt-in \
              drivers through the `driver_ids` field but no drivers could be \
              parsed out of it. A list of opt-in drivers should be a list of \
-             modules or idents like `[Opentelemetry; prometheus]@,\
+             modules or idents like [Opentelemetry; prometheus]@,\
              Found: { @[<v 2>%a@] }@."
             Format.(
               pp_print_list
@@ -153,8 +168,8 @@ let error loc err =
         ( "Malformed attribute.",
           Format.asprintf
             "@[<v 2>Accepted attributes payload are:@,\
-             - `[@profiler.mark [<list of strings>]]'@,\
-             - `[@profiler.aggregate_* <string or ident>]@,\
+             - [@profiler.mark [<list of strings>]]@,\
+             - [@profiler.aggregate_* <string or ident>]@,\
              Found %a@.'"
             Ppxlib.Pprintast.expression
             expr )
diff --git a/src/lib_ppx_profiler/error.mli b/src/lib_ppx_profiler/error.mli
index 51596153e7379f14ea0d67413545f5d36d066e7b..f35a193927451ba09b2b1ec9a5b2a83d9a3d3fff 100644
--- a/src/lib_ppx_profiler/error.mli
+++ b/src/lib_ppx_profiler/error.mli
@@ -7,7 +7,9 @@
 
 type error =
   | Invalid_action of string
-  | Invalid_payload
+  | Invalid_payload of bool * Ppxlib.payload
+  (* The [bool] represents the fact that the record is missing or not to have
+     a better message display when encountering an invalid payload *)
   | Invalid_aggregate of Key.t
   | Invalid_custom of Key.t
   | Invalid_mark of Key.t
@@ -15,10 +17,10 @@ type error =
   | Invalid_span of Key.t
   | Invalid_stop of Key.t
   | Invalid_list_of_driver_ids of Ppxlib.expression list
-  | Improper_field of (Longident.t Location.loc * Ppxlib.expression)
-  | Improper_list_field of (Longident.t Location.loc * Ppxlib.expression)
+  | Improper_field of (Ppxlib.longident_loc * Ppxlib.expression)
+  | Improper_list_field of (Ppxlib.longident_loc * Ppxlib.expression)
   | Improper_let_binding of Ppxlib.expression
-  | Improper_record of (Ppxlib.Ast.longident_loc * Ppxlib.expression) list
+  | Improper_record of (Ppxlib.longident_loc * Ppxlib.expression) list
   | Malformed_attribute of Ppxlib.expression
   | No_verbosity of Key.t
 
diff --git a/src/lib_ppx_profiler/rewriter.ml b/src/lib_ppx_profiler/rewriter.ml
index 311a2a0048948568de9577c5cff97aa9f7b06a94..3ab197a15492d1fb0b51ca263d09dad2b0da53dd 100644
--- a/src/lib_ppx_profiler/rewriter.ml
+++ b/src/lib_ppx_profiler/rewriter.ml
@@ -292,28 +292,29 @@ let extract_key_from_payload loc payload =
           [%e?
             {
               pexp_desc =
-                Pexp_apply
-                  ( {pexp_desc = Pexp_record (record, _); _},
-                    [(Nolabel, structure)] );
+                Pexp_apply ({pexp_desc = Pexp_record (record, _); _}, item_list);
               _;
             }]];
-      ] ->
-      (* [@ppx {<other infos>} ...] *)
-      let verbosity, profiler_module, metadata, driver_ids =
-        extract_from_record loc record
-      in
-      (match (verbosity, profiler_module, metadata) with
-      | None, None, None when Handled_drivers.is_empty driver_ids ->
-          Error.error loc Error.(Improper_record record)
-      | _ -> ()) ;
-      Key.
-        {
-          verbosity;
-          profiler_module;
-          metadata;
-          driver_ids;
-          content = extract_content_from_structure loc structure;
-        }
+      ] -> (
+      match item_list with
+      | [(Nolabel, structure)] ->
+          (* [@ppx {<other infos>} ...] *)
+          let verbosity, profiler_module, metadata, driver_ids =
+            extract_from_record loc record
+          in
+          (match (verbosity, profiler_module, metadata) with
+          | None, None, None when Handled_drivers.is_empty driver_ids ->
+              Error.error loc Error.(Improper_record record)
+          | _ -> ()) ;
+          Key.
+            {
+              verbosity;
+              profiler_module;
+              metadata;
+              driver_ids;
+              content = extract_content_from_structure loc structure;
+            }
+      | _ -> Error.error loc (Invalid_payload (false, payload)))
   | Ppxlib.PStr [[%stri [%e? structure]]] ->
       (* [@ppx ...] *)
       Key.
@@ -334,7 +335,7 @@ let extract_key_from_payload loc payload =
           driver_ids = Handled_drivers.empty;
           content = Key.Empty;
         }
-  | _ -> Error.error loc Invalid_payload
+  | _ -> Error.error loc (Invalid_payload (true, payload))
 
 let of_attribute handled_drivers
     ({Ppxlib.attr_payload; attr_loc; _} as attribute) =