diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2840e47b5..46181e0ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,8 +12,6 @@
 
 ## master
 
-## v1.10.0
-
 #### :rocket: New Feature
 
 - Add autocomplete for function argument values (booleans, variants and options. More values coming), both labelled and unlabelled. https://github.com/rescript-lang/rescript-vscode/pull/665
@@ -23,6 +21,12 @@
 
 #### :nail_care: Polish
 
+- Prefer opened `Belt` modules in autocomplete when `-open Belt` is detected in `bsconfig`. https://github.com/rescript-lang/rescript-vscode/pull/673
+
+## v1.10.0
+
+#### :nail_care: Polish
+
 - Remove spacing between type definition in clients that do not support markdown links. https://github.com/rescript-lang/rescript-vscode/pull/619
 - Rename custom LSP methods names. https://github.com/rescript-lang/rescript-vscode/pull/611
 - Better performance for Inlay Hints and Codelens. https://github.com/rescript-lang/rescript-vscode/pull/634
diff --git a/analysis/src/Packages.ml b/analysis/src/Packages.ml
index 7e2ca25e0..3c90d7b52 100644
--- a/analysis/src/Packages.ml
+++ b/analysis/src/Packages.ml
@@ -112,6 +112,24 @@ let newBsPackage ~rootPath =
                     listModulePath = ["List"];
                     resultModulePath = ["Result"];
                   }
+                 else if
+                 opens_from_bsc_flags
+                 |> List.find_opt (fun opn ->
+                        match opn with
+                        | ["Belt"] -> true
+                        | _ -> false)
+                 |> Option.is_some
+                then
+                   {
+                     arrayModulePath = ["Array"];
+                     optionModulePath = ["Option"];
+                     stringModulePath = ["Js"; "String2"];
+                     intModulePath = ["Int"];
+                     floatModulePath = ["Float"];
+                     promiseModulePath = ["Js"; "Promise"];
+                     listModulePath = ["List"];
+                     resultModulePath = ["Result"];
+                   }
                  else
                    {
                      arrayModulePath = ["Js"; "Array2"];