diff --git a/projects/core/koin-core/src/commonTest/kotlin/org/koin/core/ConcurrencyTest.kt b/projects/core/koin-core/src/commonTest/kotlin/org/koin/core/ConcurrencyTest.kt
new file mode 100644
index 000000000..d38984f61
--- /dev/null
+++ b/projects/core/koin-core/src/commonTest/kotlin/org/koin/core/ConcurrencyTest.kt
@@ -0,0 +1,104 @@
+package org.koin.core
+
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.joinAll
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.test.runTest
+import org.koin.core.annotation.KoinInternalApi
+import org.koin.core.component.getScopeId
+import org.koin.core.context.startKoin
+import org.koin.core.context.stopKoin
+import org.koin.dsl.module
+import org.koin.mp.KoinPlatform
+import org.koin.mp.KoinPlatformTools
+import org.koin.mp.Lockable
+import org.koin.mp.generateId
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertTrue
+
+class ConcurrencyTest {
+    data class Counter(val id : String = KoinPlatformTools.generateId())
+    class CounterService {
+
+        private var counter = 0
+        private val lock = Lockable()
+
+        fun increment() = KoinPlatformTools.synchronized(lock) {
+            counter++
+        }
+
+        fun getCounter(): Int = KoinPlatformTools.synchronized(lock) { counter }
+    }
+
+    val jobList = 100
+    val jobRepeat = 100
+    val scopeList = 10_000
+
+    @Test
+    fun parallel_access() = runTest {
+
+        startKoin {
+            modules(module {
+                single { CounterService() }
+            })
+        }
+
+        try {
+            // Use a coroutine scope for concurrency
+            coroutineScope {
+                val jobs = List(jobList) {
+                    launch {
+                        repeat(jobRepeat) {
+                            KoinPlatform.getKoin().get<CounterService>().increment()
+                        }
+                    }
+                }
+                jobs.joinAll()
+            }
+
+            assertEquals(jobList * jobRepeat, KoinPlatform.getKoin().get<CounterService>().getCounter())
+        } finally {
+            stopKoin()
+        }
+    }
+
+
+    @OptIn(KoinInternalApi::class)
+    @Test
+    fun parallel_create_scopes() = runTest {
+
+        startKoin {
+            modules(module {
+                scope<Counter>{
+                    scoped { CounterService() }
+                }
+            })
+        }
+
+        val result = KoinPlatformTools.safeHashMap<String,Int>()
+
+        try {
+            coroutineScope {
+                val startScopes = List(scopeList) {
+                    launch {
+                        KoinPlatform.getKoin().apply {
+                            val counter = Counter()
+                            val scope = createScope<Counter>(counter.getScopeId())
+                            scope.get<CounterService>().increment()
+                            result[scope.id] = scope.get<CounterService>().getCounter()
+                            scope.close()
+                        }
+                    }
+                }
+                startScopes.joinAll()
+            }
+            assertTrue(KoinPlatform.getKoin().instanceRegistry.instances.values.none { it.isCreated() })
+        } finally {
+            stopKoin()
+        }
+        assertEquals(scopeList, result.size)
+        assertTrue(result.values.all { it == 1 })
+    }
+
+}
\ No newline at end of file
diff --git a/projects/core/koin-core/src/jsMain/kotlin/org/koin/mp/PlatformTools.kt b/projects/core/koin-core/src/jsMain/kotlin/org/koin/mp/PlatformTools.kt
index 3dc23992f..ea834e06c 100644
--- a/projects/core/koin-core/src/jsMain/kotlin/org/koin/mp/PlatformTools.kt
+++ b/projects/core/koin-core/src/jsMain/kotlin/org/koin/mp/PlatformTools.kt
@@ -17,6 +17,7 @@
 package org.koin.mp
 
 import co.touchlab.stately.collections.ConcurrentMutableMap
+import co.touchlab.stately.collections.ConcurrentMutableSet
 import org.koin.core.context.GlobalContext
 import org.koin.core.context.KoinContext
 import org.koin.core.logger.*
@@ -31,5 +32,5 @@ actual object KoinPlatformTools {
     actual fun defaultContext(): KoinContext = GlobalContext
     actual fun <R> synchronized(lock: Lockable, block: () -> R) = block()
     actual fun <K, V> safeHashMap(): MutableMap<K, V> = ConcurrentMutableMap()
-    actual fun <K> safeSet(): MutableSet<K> = mutableSetOf()
+    actual fun <K> safeSet(): MutableSet<K> = ConcurrentMutableSet()
 }
diff --git a/projects/core/koin-core/src/nativeMain/kotlin/org/koin/mp/KoinPlatformTools.kt b/projects/core/koin-core/src/nativeMain/kotlin/org/koin/mp/KoinPlatformTools.kt
index 2b758266f..c1450f83d 100644
--- a/projects/core/koin-core/src/nativeMain/kotlin/org/koin/mp/KoinPlatformTools.kt
+++ b/projects/core/koin-core/src/nativeMain/kotlin/org/koin/mp/KoinPlatformTools.kt
@@ -1,6 +1,7 @@
 package org.koin.mp
 
 import co.touchlab.stately.collections.ConcurrentMutableMap
+import co.touchlab.stately.collections.ConcurrentMutableSet
 import co.touchlab.stately.concurrency.withLock
 import org.koin.core.context.KoinContext
 import org.koin.core.context.globalContextByMemoryModel
@@ -21,10 +22,8 @@ actual object KoinPlatformTools {
     actual fun defaultLazyMode(): LazyThreadSafetyMode = LazyThreadSafetyMode.PUBLICATION
     actual fun defaultLogger(level: Level): Logger = PrintLogger(level)
     actual fun defaultContext(): KoinContext = defaultContext
-
-    actual fun <R> synchronized(lock: Lockable, block: () -> R): R = lock.lock.withLock { block() }
-
+    actual fun <R> synchronized(lock: Lockable, block: () -> R): R = lock.lock.withLock(block)
     actual fun <K, V> safeHashMap(): MutableMap<K, V> = ConcurrentMutableMap()
-    actual fun <K> safeSet(): MutableSet<K> = mutableSetOf()
+    actual fun <K> safeSet(): MutableSet<K> = ConcurrentMutableSet()
 }
 
diff --git a/projects/core/koin-core/src/wasmJsMain/kotlin/org/koin/mp/PlatformTools.kt b/projects/core/koin-core/src/wasmJsMain/kotlin/org/koin/mp/PlatformTools.kt
index 5f144f194..49d189666 100644
--- a/projects/core/koin-core/src/wasmJsMain/kotlin/org/koin/mp/PlatformTools.kt
+++ b/projects/core/koin-core/src/wasmJsMain/kotlin/org/koin/mp/PlatformTools.kt
@@ -16,6 +16,8 @@
 
 package org.koin.mp
 
+import co.touchlab.stately.collections.ConcurrentMutableMap
+import co.touchlab.stately.collections.ConcurrentMutableSet
 import org.koin.core.context.GlobalContext
 import org.koin.core.context.KoinContext
 import org.koin.core.logger.*
@@ -30,6 +32,6 @@ actual object KoinPlatformTools {
     actual fun defaultLogger(level: Level): Logger = PrintLogger(level)
     actual fun defaultContext(): KoinContext = GlobalContext
     actual fun <R> synchronized(lock: Lockable, block: () -> R) = block()
-    actual fun <K, V> safeHashMap(): MutableMap<K, V> = HashMap()
-    actual fun <K> safeSet(): MutableSet<K> = mutableSetOf()
+    actual fun <K, V> safeHashMap(): MutableMap<K, V> = ConcurrentMutableMap()
+    actual fun <K> safeSet(): MutableSet<K> = ConcurrentMutableSet()
 }
\ No newline at end of file