diff --git a/src/Ranges/TimestampRange.php b/src/Ranges/TimestampRange.php
index 7aadb49..01149dc 100644
--- a/src/Ranges/TimestampRange.php
+++ b/src/Ranges/TimestampRange.php
@@ -35,4 +35,18 @@ public function forSql(): string
     {
         return "'$this'::tsrange";
     }
+
+    /**
+     * @return string
+     */
+    public function __toString()
+    {
+        return sprintf(
+            '%s%s,%s%s',
+            $this->fromBound,
+            $this->from ? "\"{$this->from}\"" : '',
+            $this->to ? "\"{$this->to}\"" : '',
+            $this->toBound
+        );
+    }
 }
diff --git a/tests/Feature/RangesCastingTest.php b/tests/Feature/RangesCastingTest.php
index 8cbacb1..003ff3b 100644
--- a/tests/Feature/RangesCastingTest.php
+++ b/tests/Feature/RangesCastingTest.php
@@ -37,6 +37,28 @@ public function it_casts_timestamp_range_column(): void
         $this->assertEquals($to, $model->timestamp_range->to()->toDateTimeString());
     }
 
+    /** @test */
+    public function it_does_not_detect_changes_when_updating_with_same_timestamp_range(): void
+    {
+        $from = '2010-01-01 14:30:30';
+        $to = '2010-01-01 15:30:30';
+        $timestampRange = new TimestampRange($from, $to, '[', ']');
+        $model = $this->createModel(
+            [
+                'timestamp_range' => $timestampRange,
+            ]
+        );
+
+        $model = $model->fresh();
+        $model->update(
+            [
+                'timestamp_range' => $timestampRange,
+            ]
+        );
+
+        $this->assertEmpty($model->getChanges());
+    }
+
     /** @test */
     public function it_casts_timestamptz_range_column(): void
     {
diff --git a/tests/Unit/RangesSerializationTest.php b/tests/Unit/RangesSerializationTest.php
index c686381..5a918cd 100644
--- a/tests/Unit/RangesSerializationTest.php
+++ b/tests/Unit/RangesSerializationTest.php
@@ -16,19 +16,19 @@ class RangesSerializationTest extends TestCase
     public function timestamp_range_serializes_correctly(): void
     {
         $range = new TimestampRange('2010-01-01 14:30:30', '2010-01-01 15:30:30', '[', ']');
-        $this->assertEquals('[2010-01-01 14:30:30,2010-01-01 15:30:30]', (string) $range);
+        $this->assertEquals('["2010-01-01 14:30:30","2010-01-01 15:30:30"]', (string) $range);
 
         $range = new TimestampRange('2010-01-01 14:30:30', '2010-01-01 15:30:30', '(', ']');
-        $this->assertEquals('(2010-01-01 14:30:30,2010-01-01 15:30:30]', (string) $range);
+        $this->assertEquals('("2010-01-01 14:30:30","2010-01-01 15:30:30"]', (string) $range);
 
         $range = new TimestampRange('2010-01-01 14:30:30', '2010-01-01 15:30:30', '(', ')');
-        $this->assertEquals('(2010-01-01 14:30:30,2010-01-01 15:30:30)', (string) $range);
+        $this->assertEquals('("2010-01-01 14:30:30","2010-01-01 15:30:30")', (string) $range);
 
         $range = new TimestampRange(null, '2010-01-01 15:30:30', '[', ']');
-        $this->assertEquals('[,2010-01-01 15:30:30]', (string) $range);
+        $this->assertEquals('[,"2010-01-01 15:30:30"]', (string) $range);
 
         $range = new TimestampRange('2010-01-01 14:30:30', null, '[', ']');
-        $this->assertEquals('[2010-01-01 14:30:30,]', (string) $range);
+        $this->assertEquals('["2010-01-01 14:30:30",]', (string) $range);
 
         $range = new TimestampRange(null, null, '[', ']');
         $this->assertEquals('[,]', (string) $range);