diff --git a/data/src/main/java/com/google/maps/android/data/parser/geojson/GeoJsonParser.kt b/data/src/main/java/com/google/maps/android/data/parser/geojson/GeoJsonParser.kt
index 6f672aaa7..c0e9f4392 100644
--- a/data/src/main/java/com/google/maps/android/data/parser/geojson/GeoJsonParser.kt
+++ b/data/src/main/java/com/google/maps/android/data/parser/geojson/GeoJsonParser.kt
@@ -15,6 +15,7 @@
  */
 package com.google.maps.android.data.parser.geojson
 
+import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.JsonElement
 import kotlinx.serialization.json.JsonNull
@@ -29,6 +30,11 @@ public class GeoJsonParser @JvmOverloads public constructor(
     private val maxInputSize: Long = DEFAULT_MAX_INPUT_SIZE,
     private val maxStructuralDepth: Int = DEFAULT_MAX_STRUCTURAL_DEPTH,
 ) {
+    // kotlinx.serialization enforces its own nesting limit (400 by default since 1.12.0). Align it
+    // with [maxStructuralDepth] so [checkStructuralDepth] remains the single bound on nesting.
+    @OptIn(ExperimentalSerializationApi::class)
+    private val jsonParser = Json { maxNestingDepth = maxStructuralDepth }
+
     public fun parse(inputStream: InputStream): GeoJsonObject? {
         // Bound the untrusted input *before* materialising it. [Json.parseToJsonElement] reads the
         // whole document into an in-memory tree, so without these guards a hostile document can
@@ -36,7 +42,7 @@ public class GeoJsonParser @JvmOverloads public constructor(
         // before the [MAX_GEOMETRY_DEPTH] check — which runs on the already-built tree — can act.
         val json = inputStream.readTextBounded(maxInputSize)
         checkStructuralDepth(json, maxStructuralDepth)
-        val jsonElement = Json.parseToJsonElement(json)
+        val jsonElement = jsonParser.parseToJsonElement(json)
 
         return when (jsonElement.jsonObject["type"]?.jsonPrimitive?.content) {
             "FeatureCollection" -> {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 1d37314de..01560bd45 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -16,7 +16,7 @@ appcompat = "1.8.0"
 core-ktx = "1.19.1"
 kotlin = "2.4.21"
 kotlinx-coroutines = "1.11.0"
-kotlinx-serialization = "1.11.0"
+kotlinx-serialization = "1.12.0"
 ktor = "3.6.0"
 lifecycle-extensions = "2.2.0"
 lifecycle-viewmodel-ktx = "2.11.0"
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 2e7bb9fd6..91c4fc64a 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.8.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.8.2-bin.zip
 networkTimeout=10000
 retries=0
 retryBackOffMs=500