diff --git a/vclib/src/iosMain/kotlin/at/asitplus/wallet/lib/DefaultZlibService.kt b/vclib/src/iosMain/kotlin/at/asitplus/wallet/lib/DefaultZlibService.kt
index 728935d02..318bacf05 100644
--- a/vclib/src/iosMain/kotlin/at/asitplus/wallet/lib/DefaultZlibService.kt
+++ b/vclib/src/iosMain/kotlin/at/asitplus/wallet/lib/DefaultZlibService.kt
@@ -1,3 +1,5 @@
+@file:OptIn(kotlinx.cinterop.ExperimentalForeignApi::class)
+
 package at.asitplus.wallet.lib
 
 import at.asitplus.wallet.lib.agent.toByteArray
diff --git a/vclib/src/iosMain/kotlin/at/asitplus/wallet/lib/agent/DefaultCryptoService.kt b/vclib/src/iosMain/kotlin/at/asitplus/wallet/lib/agent/DefaultCryptoService.kt
index b21aa5e76..418755ce7 100644
--- a/vclib/src/iosMain/kotlin/at/asitplus/wallet/lib/agent/DefaultCryptoService.kt
+++ b/vclib/src/iosMain/kotlin/at/asitplus/wallet/lib/agent/DefaultCryptoService.kt
@@ -1,3 +1,5 @@
+@file:OptIn(kotlinx.cinterop.ExperimentalForeignApi::class)
+
 package at.asitplus.wallet.lib.agent
 
 import at.asitplus.KmmResult