diff --git a/package-lock.json b/package-lock.json
index 7fd4836bc8..a994304c0e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "@fortawesome/fontawesome-free": "^6.1.1",
         "@open-formulieren/design-tokens": "^0.53.0",
-        "@open-formulieren/formio-builder": "^0.31.0",
+        "@open-formulieren/formio-builder": "^0.32.0",
         "@open-formulieren/leaflet-tools": "^1.0.0",
         "@open-formulieren/monaco-json-editor": "^0.2.0",
         "@rjsf/core": "^4.2.1",
@@ -4429,9 +4429,9 @@
       "integrity": "sha512-3Pv32ULCuFOJZ2GaqcpvB45u6xScr0lmW5ETB9P1Ox9TG5nvMcVSwuwYe/GwxbzmvtZgiMQRMKRFT9lNYLeREQ=="
     },
     "node_modules/@open-formulieren/formio-builder": {
-      "version": "0.31.0",
-      "resolved": "https://registry.npmjs.org/@open-formulieren/formio-builder/-/formio-builder-0.31.0.tgz",
-      "integrity": "sha512-gMM3EYU+04fIE0XjiNLTmNfAUl9yNzCcBERwH9hsWVPgduFTYFC0v+kB/SCkg/Zab2bKtv3IugJIksgm1sX36Q==",
+      "version": "0.32.0",
+      "resolved": "https://registry.npmjs.org/@open-formulieren/formio-builder/-/formio-builder-0.32.0.tgz",
+      "integrity": "sha512-XwrAbXeoqQvijS9OfFxk1KyxzzW2xZmaWtBgy+rqAcziaPHk5zaG52YPSHou0T57y3QtKDXp4Lk8q+RBQFqFpA==",
       "dependencies": {
         "@ckeditor/ckeditor5-react": "^6.2.0",
         "@floating-ui/react": "^0.26.4",
@@ -23567,9 +23567,9 @@
       "integrity": "sha512-3Pv32ULCuFOJZ2GaqcpvB45u6xScr0lmW5ETB9P1Ox9TG5nvMcVSwuwYe/GwxbzmvtZgiMQRMKRFT9lNYLeREQ=="
     },
     "@open-formulieren/formio-builder": {
-      "version": "0.31.0",
-      "resolved": "https://registry.npmjs.org/@open-formulieren/formio-builder/-/formio-builder-0.31.0.tgz",
-      "integrity": "sha512-gMM3EYU+04fIE0XjiNLTmNfAUl9yNzCcBERwH9hsWVPgduFTYFC0v+kB/SCkg/Zab2bKtv3IugJIksgm1sX36Q==",
+      "version": "0.32.0",
+      "resolved": "https://registry.npmjs.org/@open-formulieren/formio-builder/-/formio-builder-0.32.0.tgz",
+      "integrity": "sha512-XwrAbXeoqQvijS9OfFxk1KyxzzW2xZmaWtBgy+rqAcziaPHk5zaG52YPSHou0T57y3QtKDXp4Lk8q+RBQFqFpA==",
       "requires": {
         "@ckeditor/ckeditor5-react": "^6.2.0",
         "@floating-ui/react": "^0.26.4",
diff --git a/package.json b/package.json
index a1ae7eaa44..36ba0365c9 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   "dependencies": {
     "@fortawesome/fontawesome-free": "^6.1.1",
     "@open-formulieren/design-tokens": "^0.53.0",
-    "@open-formulieren/formio-builder": "^0.31.0",
+    "@open-formulieren/formio-builder": "^0.32.0",
     "@open-formulieren/leaflet-tools": "^1.0.0",
     "@open-formulieren/monaco-json-editor": "^0.2.0",
     "@rjsf/core": "^4.2.1",
diff --git a/src/openforms/formio/migration_converters.py b/src/openforms/formio/migration_converters.py
index f4e46b3250..536fa8fcfa 100644
--- a/src/openforms/formio/migration_converters.py
+++ b/src/openforms/formio/migration_converters.py
@@ -208,6 +208,14 @@ def fix_multiple_empty_default_value(component: Component) -> bool:
     return False
 
 
+def set_datatype_string(component: Component):
+    # https://github.com/open-formulieren/open-forms/issues/4772
+    if component.get("dataType") != "string":
+        component["dataType"] = "string"
+        return True
+    return False
+
+
 def convert_simple_conditionals(configuration: JSONObject) -> bool:
     config_modified = False
 
@@ -350,6 +358,7 @@ def fix_empty_default_value(component: Component) -> bool:
     "select": {
         "set_openforms_datasrc": set_openforms_datasrc,
         "fix_multiple_empty_default_value": fix_multiple_empty_default_value,
+        "set_datatype_string": set_datatype_string,
     },
     "selectboxes": {"set_openforms_datasrc": set_openforms_datasrc},
     "currency": {
diff --git a/src/openforms/formio/tests/test_set_datatype_string.py b/src/openforms/formio/tests/test_set_datatype_string.py
new file mode 100644
index 0000000000..3a6a0fb76f
--- /dev/null
+++ b/src/openforms/formio/tests/test_set_datatype_string.py
@@ -0,0 +1,62 @@
+from django.test import SimpleTestCase, tag
+
+from openforms.formio.typing import SelectComponent
+
+from ..migration_converters import set_datatype_string
+
+
+class SetDatatypeStringTests(SimpleTestCase):
+    @tag("gh-4772")
+    def test_set_datatype_string(self):
+        configuration: SelectComponent = {
+            "type": "select",
+            "key": "select",
+            "label": "Select",
+            "data": {
+                "values": [
+                    {"label": "Option 1", "value": "1"},
+                    {"label": "Option 2", "value": "2"},
+                ]
+            },
+        }
+
+        set_datatype_string(configuration)
+
+        assert "dataType" in configuration
+        self.assertEqual(configuration["dataType"], "string")
+
+        configuration: SelectComponent = {
+            "type": "select",
+            "key": "select",
+            "label": "Select",
+            "dataType": "integer",
+            "data": {
+                "values": [
+                    {"label": "Option 1", "value": "1"},
+                    {"label": "Option 2", "value": "2"},
+                ]
+            },
+        }
+
+        set_datatype_string(configuration)
+
+        assert "dataType" in configuration
+        self.assertEqual(configuration["dataType"], "string")
+
+        configuration: SelectComponent = {
+            "type": "select",
+            "key": "select",
+            "label": "Select",
+            "dataType": "string",
+            "data": {
+                "values": [
+                    {"label": "Option 1", "value": "1"},
+                    {"label": "Option 2", "value": "2"},
+                ]
+            },
+        }
+
+        set_datatype_string(configuration)
+
+        assert "dataType" in configuration
+        self.assertEqual(configuration["dataType"], "string")
diff --git a/src/openforms/formio/typing/base.py b/src/openforms/formio/typing/base.py
index c1d0be18f1..327c28a148 100644
--- a/src/openforms/formio/typing/base.py
+++ b/src/openforms/formio/typing/base.py
@@ -89,6 +89,7 @@ class Component(TypedDict):
     prefill: NotRequired[PrefillConfiguration]
     openForms: NotRequired[OpenFormsConfig]
     autocomplete: NotRequired[str]
+    dataType: NotRequired[Literal["string"]]
 
 
 class FormioConfiguration(TypedDict):
diff --git a/src/openforms/forms/migrations/0104_select_datatype_string.py b/src/openforms/forms/migrations/0104_select_datatype_string.py
new file mode 100644
index 0000000000..01be2858ba
--- /dev/null
+++ b/src/openforms/forms/migrations/0104_select_datatype_string.py
@@ -0,0 +1,16 @@
+# Generated by Django 4.2.16 on 2024-11-11 12:00
+
+from django.db import migrations
+
+from openforms.forms.migration_operations import ConvertComponentsOperation
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("forms", "0103_remove_formvariable_prefill_config_empty_or_complete_and_more"),
+    ]
+
+    operations = [
+        ConvertComponentsOperation("select", "set_datatype_string"),
+    ]