diff --git a/build.gradle.kts b/build.gradle.kts
index 7721bdcdc..3c5fa17c6 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -63,7 +63,14 @@ kotlin {
             }
         }
 
-        // iosSimulatorArm64() : ios simulator on Apple Silicon devices. Disabled for now, until all dependencies support it.
+        iosSimulatorArm64 { // actual ios devices
+            compilations["main"].cinterops.create("PhoenixCrypto") {
+                val platform = "iphonesimulator"
+                val interopTask = tasks[interopProcessingTaskName]
+                interopTask.dependsOn(":PhoenixCrypto:buildCrypto${platform.capitalize()}")
+                includeDirs.headerFilterOnly("$rootDir/PhoenixCrypto/build/Release-$platform/include")
+            }
+        }
     }
 
     sourceSets {
@@ -88,7 +95,7 @@ kotlin {
                 api(ktor("serialization-kotlinx-json"))
                 implementation(kotlin("test-common"))
                 implementation(kotlin("test-annotations-common"))
-                implementation("org.kodein.memory:kodein-memory-files:0.8.1")
+                implementation("org.kodein.memory:klio-files:0.12.0")
             }
         }
 
diff --git a/src/commonTest/kotlin/fr/acinq/lightning/serialization/StateSerializationNonRegTestsCommon.kt b/src/commonTest/kotlin/fr/acinq/lightning/serialization/StateSerializationNonRegTestsCommon.kt
index 69046eae5..33b657dc2 100644
--- a/src/commonTest/kotlin/fr/acinq/lightning/serialization/StateSerializationNonRegTestsCommon.kt
+++ b/src/commonTest/kotlin/fr/acinq/lightning/serialization/StateSerializationNonRegTestsCommon.kt
@@ -6,8 +6,8 @@ import fr.acinq.secp256k1.Hex
 import kotlinx.serialization.encodeToString
 import org.kodein.memory.file.*
 import org.kodein.memory.system.Environment
-import org.kodein.memory.text.putString
 import org.kodein.memory.text.readString
+import org.kodein.memory.text.writeString
 import kotlin.test.Test
 import kotlin.test.assertEquals
 
@@ -29,7 +29,7 @@ class StateSerializationNonRegTestsCommon {
                 val tmpFile = path.resolve("actual.json")
                 if (debug) {
                     tmpFile.openWriteableFile().run {
-                        putString(json)
+                        writeString(json)
                         close()
                     }
                 }
diff --git a/src/nativeInterop/cinterop/PhoenixCrypto.def b/src/nativeInterop/cinterop/PhoenixCrypto.def
index fbd9042e1..dda3d8f32 100644
--- a/src/nativeInterop/cinterop/PhoenixCrypto.def
+++ b/src/nativeInterop/cinterop/PhoenixCrypto.def
@@ -7,7 +7,9 @@ headerFilter = PhoenixCrypto/*
 staticLibraries = libPhoenixCrypto.a
 libraryPaths.ios_x64 = PhoenixCrypto/build/Release-iphonesimulator
 libraryPaths.ios_arm64 = PhoenixCrypto/build/Release-iphoneos
+libraryPaths.ios_simulator_arm64 = PhoenixCrypto/build/Release-iphonesimulator
 
 linkerOpts = -L/usr/lib/swift
 linkerOpts.ios_x64 = -platform_version ios-simulator 15.0.0 15.0.0 -L/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/iphonesimulator/
 linkerOpts.ios_arm64 = -iphoneos_version_min 15.0.0 -L/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/iphoneos/
+linkerOpts.ios_simulator_arm64 = -platform_version ios-simulator 15.0.0 15.0.0 -L/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/iphonesimulator/