diff --git a/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip60Cashu/bdhke/Bdhke.kt b/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip60Cashu/bdhke/Bdhke.kt
index 7ab6d84d61..fb0ce223a6 100644
--- a/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip60Cashu/bdhke/Bdhke.kt
+++ b/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip60Cashu/bdhke/Bdhke.kt
@@ -31,6 +31,7 @@ import com.vitorpamplona.quartz.utils.secp256k1.ScalarN
 import com.vitorpamplona.quartz.utils.secp256k1.Secp256k1
 import com.vitorpamplona.quartz.utils.secp256k1.U256
 import com.vitorpamplona.quartz.utils.sha256.sha256
+import kotlin.concurrent.Volatile
 
 /**
  * Blind Diffie-Hellman Key Exchange (BDHKE) — the cryptographic primitive
diff --git a/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip60Cashu/mintApi/MintApiSerializerWarmup.kt b/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip60Cashu/mintApi/MintApiSerializerWarmup.kt
index e27e8d12e8..fa7fc221a4 100644
--- a/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip60Cashu/mintApi/MintApiSerializerWarmup.kt
+++ b/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip60Cashu/mintApi/MintApiSerializerWarmup.kt
@@ -21,6 +21,7 @@
 package com.vitorpamplona.quartz.nip60Cashu.mintApi
 
 import kotlinx.serialization.json.Json
+import kotlin.concurrent.Volatile
 
 /**
  * Pre-warms kotlinx.serialization for the hot mint-API DTOs.