diff --git a/bookwyrm/migrations/0053_auto_20210319_1913.py b/bookwyrm/migrations/0053_auto_20210319_1913.py
new file mode 100644
index 000000000..023319b39
--- /dev/null
+++ b/bookwyrm/migrations/0053_auto_20210319_1913.py
@@ -0,0 +1,30 @@
+# Generated by Django 3.1.6 on 2021-03-19 19:13
+
+import bookwyrm.models.fields
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookwyrm", "0052_user_show_goal"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="review",
+            name="rating",
+            field=bookwyrm.models.fields.DecimalField(
+                blank=True,
+                decimal_places=2,
+                default=None,
+                max_digits=3,
+                null=True,
+                validators=[
+                    django.core.validators.MinValueValidator(1),
+                    django.core.validators.MaxValueValidator(5),
+                ],
+            ),
+        ),
+    ]
diff --git a/bookwyrm/models/fields.py b/bookwyrm/models/fields.py
index 1bdc6c456..247c6aca6 100644
--- a/bookwyrm/models/fields.py
+++ b/bookwyrm/models/fields.py
@@ -444,3 +444,7 @@ class BooleanField(ActivitypubFieldMixin, models.BooleanField):
 
 class IntegerField(ActivitypubFieldMixin, models.IntegerField):
     """ activitypub-aware boolean field """
+
+
+class DecimalField(ActivitypubFieldMixin, models.DecimalField):
+    """ activitypub-aware boolean field """
diff --git a/bookwyrm/models/status.py b/bookwyrm/models/status.py
index 0e18dc1bc..09a7c4ec1 100644
--- a/bookwyrm/models/status.py
+++ b/bookwyrm/models/status.py
@@ -273,11 +273,13 @@ class Review(Status):
     book = fields.ForeignKey(
         "Edition", on_delete=models.PROTECT, activitypub_field="inReplyToBook"
     )
-    rating = fields.IntegerField(
+    rating = fields.DecimalField(
         default=None,
         null=True,
         blank=True,
         validators=[MinValueValidator(1), MaxValueValidator(5)],
+        decimal_places=2,
+        max_digits=3,
     )
 
     @property