diff --git a/src/commonMain/kotlin/com/ioki/lokalise/api/LokaliseClient.kt b/src/commonMain/kotlin/com/ioki/lokalise/api/LokaliseClient.kt
index acb48fd..69f21ba 100644
--- a/src/commonMain/kotlin/com/ioki/lokalise/api/LokaliseClient.kt
+++ b/src/commonMain/kotlin/com/ioki/lokalise/api/LokaliseClient.kt
@@ -21,6 +21,7 @@ import io.ktor.client.statement.HttpResponse
 import io.ktor.http.ContentType
 import io.ktor.http.contentType
 import io.ktor.serialization.kotlinx.json.json
+import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.JsonArray
 import kotlinx.serialization.json.JsonElement
 import kotlinx.serialization.json.JsonNull
@@ -99,7 +100,7 @@ internal fun Lokalise(
 ): Lokalise {
     val clientConfig: HttpClientConfig<*>.() -> Unit = {
         install(ContentNegotiation) {
-            json()
+            json(Json{ ignoreUnknownKeys = true })
         }
         install(Logging) {
             level = if (fullLoggingEnabled) LogLevel.ALL else LogLevel.HEADERS
diff --git a/src/commonTest/kotlin/com/ioki/lokalise/api/LokaliseClientTest.kt b/src/commonTest/kotlin/com/ioki/lokalise/api/LokaliseClientTest.kt
index e736d12..570f940 100644
--- a/src/commonTest/kotlin/com/ioki/lokalise/api/LokaliseClientTest.kt
+++ b/src/commonTest/kotlin/com/ioki/lokalise/api/LokaliseClientTest.kt
@@ -2,6 +2,7 @@ package com.ioki.lokalise.api
 
 import com.ioki.lokalise.api.stubs.errorJson
 import com.ioki.lokalise.api.stubs.fileDownloadJson
+import com.ioki.lokalise.api.stubs.fileDownloadWithUnknownFieldJson
 import com.ioki.lokalise.api.stubs.fileUploadJson
 import com.ioki.lokalise.api.stubs.projectsJson
 import com.ioki.lokalise.api.stubs.retrieveProcessJson
@@ -243,6 +244,17 @@ class LokaliseClientTest {
         )
     }
 
+    @Test
+    fun `test ignore unknown fields`() = runLokaliseTest(fileDownloadWithUnknownFieldJson) { lokalise, mockEngine ->
+        lokalise.downloadFiles(
+            projectId = "projectId",
+            format = "someFormat"
+        )
+
+        val requestData = mockEngine.requestHistory.first()
+        assertHeaders(requestData.headers)
+    }
+
     private fun assertHeaders(headers: Headers) = assertTrue {
         headers.contains("Accept", "application/json") &&
             headers.contains("X-Api-Token", "sec3tT0k3n")
diff --git a/src/commonTest/kotlin/com/ioki/lokalise/api/stubs/FileDownloadWithUnknownField.kt b/src/commonTest/kotlin/com/ioki/lokalise/api/stubs/FileDownloadWithUnknownField.kt
new file mode 100644
index 0000000..b5f6714
--- /dev/null
+++ b/src/commonTest/kotlin/com/ioki/lokalise/api/stubs/FileDownloadWithUnknownField.kt
@@ -0,0 +1,9 @@
+package com.ioki.lokalise.api.stubs
+
+val fileDownloadWithUnknownFieldJson = """
+{
+  "project_id": "3002780358964f9bab5a92.87762498",
+  "bundle_url": "https://s3-eu-west-1.amazonaws.com/lokalise-assets/export/MyApp-locale.zip",
+  "unknown_field": 42
+}
+""".trimIndent()
\ No newline at end of file