diff --git a/CHANGES.md b/CHANGES.md
index e334c7174..92a18868d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,4 +1,4 @@
-## Unreleased
+## 3.10.0
 
 - Support `@mel.*` attributes in addition to `@bs.*` (@anmonteiro,
   [#2721](https://github.com/reasonml/reason/pull/2721))
diff --git a/flake.lock b/flake.lock
index 7a5ba3942..d4f897541 100644
--- a/flake.lock
+++ b/flake.lock
@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1689068808,
-        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
+        "lastModified": 1692799911,
+        "narHash": "sha256-3eihraek4qL744EvQXsK1Ha6C3CR7nnT8X2qWap4RNk=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "rev": "f9e7cf818399d17d347f847525c5a5a8032e4e44",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nix-filter": {
       "locked": {
-        "lastModified": 1687178632,
-        "narHash": "sha256-HS7YR5erss0JCaUijPeyg2XrisEb959FIct3n2TMGbE=",
+        "lastModified": 1693833173,
+        "narHash": "sha256-hlMABKrGbEiJD5dwUSfnw1CQ3bG7KKwDV+Nx3bEZd7U=",
         "owner": "numtide",
         "repo": "nix-filter",
-        "rev": "d90c75e8319d0dd9be67d933d8eb9d0894ec9174",
+        "rev": "ac030bd9ba98e318e1f4c4328d60766ade8ebe8b",
         "type": "github"
       },
       "original": {
@@ -41,11 +41,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1689983586,
-        "narHash": "sha256-iXoptb2wkyXy1gQDKNFoal4KVEasgWFZAiSERqKgtq0=",
+        "lastModified": 1694321661,
+        "narHash": "sha256-x7eYMZrseg9Mr31T8JdJpWP0nBPnRFZF+CMZyr1BoQU=",
         "owner": "nix-ocaml",
         "repo": "nix-overlays",
-        "rev": "055362e6b820fa29ed59d779bbfa85869b1e9b23",
+        "rev": "71ddf5eb18018ef1a5e27f34af5df62a0fd68622",
         "type": "github"
       },
       "original": {
@@ -56,17 +56,17 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1689951833,
-        "narHash": "sha256-wdpIgb5X0p85RRne74TeUOp9ti7a1k9KDSe4NzsaAGk=",
+        "lastModified": 1694254102,
+        "narHash": "sha256-oM2qC5TyeM1zZE3BQnOodg31a2u/G5DF/Yx02UJRGfc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ebf4e87429ce7faa51a86a36a7b2e615c8bcc735",
+        "rev": "4a76638020344ae8a9f061856431182179ab0d28",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ebf4e87429ce7faa51a86a36a7b2e615c8bcc735",
+        "rev": "4a76638020344ae8a9f061856431182179ab0d28",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index 4e0a93f6f..7885e8eab 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,7 +10,7 @@
     flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = nixpkgs.legacyPackages."${system}".extend (self: super: {
-          ocamlPackages = super.ocaml-ng.ocamlPackages_5_0;
+          ocamlPackages = super.ocaml-ng.ocamlPackages_5_1;
         });
       in
       rec {