diff --git a/manifest/main.ml b/manifest/main.ml
index 534ff45169eb038dc43d0b0e6ad2e8f02a25f03f..5a20e5c0ff4e702eb85c78f85e5173a5f70473b0 100644
--- a/manifest/main.ml
+++ b/manifest/main.ml
@@ -219,7 +219,11 @@ let lwt_unix = external_sublib lwt "lwt.unix"
 
 let lwt_watcher = external_lib "lwt-watcher" V.(exactly "0.2")
 
-let mtime = external_lib ~js_compatible:true "mtime" V.(at_least "1.2.0")
+let mtime =
+  external_lib
+    ~js_compatible:true
+    "mtime"
+    V.(at_least "1.4.0" && less_than "2.0.0")
 
 let mtime_clock_os = external_sublib mtime "mtime.clock.os"
 
@@ -310,7 +314,7 @@ let aches = external_lib ~js_compatible:true "aches" V.(at_least "1.0.0")
 let aches_lwt = external_lib "aches-lwt" V.(at_least "1.0.0")
 
 let secp256k1_internal =
-  let version = V.(at_least "0.3.0") in
+  let version = V.(at_least "0.4.0") in
   external_lib
     ~npm_deps:[Npm.make "@nomadic-labs/secp256k1-wasm" version]
     ~js_compatible:true
diff --git a/opam/tezos-crypto.opam b/opam/tezos-crypto.opam
index 4fb869d895cd05a4db4fa54013d8db38017948df..371299374881c61c650f5753ef8c2e315c46641d 100644
--- a/opam/tezos-crypto.opam
+++ b/opam/tezos-crypto.opam
@@ -14,7 +14,7 @@ depends: [
   "tezos-lwt-result-stdlib"
   "lwt" { >= "5.6.0" }
   "tezos-hacl"
-  "secp256k1-internal" { >= "0.3.0" }
+  "secp256k1-internal" { >= "0.4.0" }
   "tezos-error-monad"
   "tezos-rpc"
   "aches" { >= "1.0.0" }
diff --git a/opam/tezos-stdlib-unix.opam b/opam/tezos-stdlib-unix.opam
index 0eeca813f4de5f6cd5cd4b2c80fd36abf9472fc2..9414a21968c8c186c832faa4f6c005a42b2212dd 100644
--- a/opam/tezos-stdlib-unix.opam
+++ b/opam/tezos-stdlib-unix.opam
@@ -21,7 +21,7 @@ depends: [
   "re" { >= "1.9.0" }
   "ezjsonm" { >= "1.1.0" }
   "ptime" { >= "1.0.0" }
-  "mtime" { >= "1.2.0" }
+  "mtime" { >= "1.4.0" & < "2.0.0" }
   "lwt_log"
   "conf-libev"
   "uri" { >= "3.1.0" }
diff --git a/opam/virtual/octez-deps.opam b/opam/virtual/octez-deps.opam
index ae8d7b81d6e936044149c6195aa5d58b124016f8..52c38d20c849de37418bbcee37b592a3fa92682f 100644
--- a/opam/virtual/octez-deps.opam
+++ b/opam/virtual/octez-deps.opam
@@ -53,7 +53,7 @@ depends: [
   "lwt-exit"
   "lwt-watcher" { = "0.2" }
   "lwt_log"
-  "mtime" { >= "1.2.0" }
+  "mtime" { >= "1.4.0" & < "2.0.0" }
   "num"
   "ocaml-migrate-parsetree"
   "ocamlformat" { = "0.21.0" }
@@ -85,7 +85,7 @@ depends: [
   "resto-cohttp-server" { >= "1.0" }
   "resto-directory" { >= "1.0" }
   "ringo" { >= "1.0.0" }
-  "secp256k1-internal" { >= "0.3.0" }
+  "secp256k1-internal" { >= "0.4.0" }
   "tar"
   "tar-unix" { >= "2.0.1" & < "3.0.0" }
   "tezos-bls12-381-polynomial" { >= "1.0.1" & < "2.0.0" }
diff --git a/package-lock.json b/package-lock.json
index 6cfbea46f2a7ea5a476adb2c0d39822e1aa1d268..a65b5a8498092d585a4d17d8f4473966106215b2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,7 +7,7 @@
       "license": "n/a",
       "dependencies": {
         "@dannywillems/ocaml-bls12-381": ">=5.0.0 <5.1.0",
-        "@nomadic-labs/secp256k1-wasm": ">=0.3.0",
+        "@nomadic-labs/secp256k1-wasm": ">=0.4.0",
         "hacl-wasm": ">=1.2.0 <1.3.0"
       }
     },
@@ -17,9 +17,9 @@
       "integrity": "sha1-CfFSlhsC5Foa3Kl3zve71YmCli4="
     },
     "node_modules/@nomadic-labs/secp256k1-wasm": {
-      "version": "0.3.0",
-      "resolved": "https://gitlab.com/api/v4/projects/17524462/packages/npm/@nomadic-labs/secp256k1-wasm/-/@nomadic-labs/secp256k1-wasm-0.3.0.tgz",
-      "integrity": "sha1-e/1LR2wtYFrfa9Ye3LWu1b/fjZc="
+      "version": "0.4.0",
+      "resolved": "https://gitlab.com/api/v4/projects/17524462/packages/npm/@nomadic-labs/secp256k1-wasm/-/@nomadic-labs/secp256k1-wasm-0.4.0.tgz",
+      "integrity": "sha1-Ll5cmCToW/dc1T/gVseEMHR1reY="
     },
     "node_modules/hacl-wasm": {
       "version": "1.2.0",
@@ -34,9 +34,9 @@
       "integrity": "sha1-CfFSlhsC5Foa3Kl3zve71YmCli4="
     },
     "@nomadic-labs/secp256k1-wasm": {
-      "version": "0.3.0",
-      "resolved": "https://gitlab.com/api/v4/projects/17524462/packages/npm/@nomadic-labs/secp256k1-wasm/-/@nomadic-labs/secp256k1-wasm-0.3.0.tgz",
-      "integrity": "sha1-e/1LR2wtYFrfa9Ye3LWu1b/fjZc="
+      "version": "0.4.0",
+      "resolved": "https://gitlab.com/api/v4/projects/17524462/packages/npm/@nomadic-labs/secp256k1-wasm/-/@nomadic-labs/secp256k1-wasm-0.4.0.tgz",
+      "integrity": "sha1-Ll5cmCToW/dc1T/gVseEMHR1reY="
     },
     "hacl-wasm": {
       "version": "1.2.0",
diff --git a/package.json b/package.json
index f18b5c672197c39f48184db066b7c8fee2ff0b8c..5bcb0679ab6eb61101ea4148883650cf87683d90 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "license": "n/a",
   "dependencies": {
     "@dannywillems/ocaml-bls12-381": ">=5.0.0 <5.1.0",
-    "@nomadic-labs/secp256k1-wasm": ">=0.3.0",
+    "@nomadic-labs/secp256k1-wasm": ">=0.4.0",
     "hacl-wasm": ">=1.2.0 <1.3.0"
   }
 }