diff --git a/util/src/jvmMain/kotlin/com/atlassian/prosemirror/util/ConcurrentMutableList.kt b/util/src/jvmMain/kotlin/com/atlassian/prosemirror/util/ConcurrentMutableList.kt
index f1840ef..5ff844c 100644
--- a/util/src/jvmMain/kotlin/com/atlassian/prosemirror/util/ConcurrentMutableList.kt
+++ b/util/src/jvmMain/kotlin/com/atlassian/prosemirror/util/ConcurrentMutableList.kt
@@ -1,9 +1,9 @@
 package com.atlassian.prosemirror.util
 
-import java.util.Collections
+import java.util.concurrent.CopyOnWriteArrayList
 
 actual class ConcurrentMutableList<T : Any> : MutableList<T> {
-    private val list = Collections.synchronizedList(mutableListOf<T>())
+    private val list = CopyOnWriteArrayList<T>()
 
     actual override val size: Int
         get() = list.size
diff --git a/version.properties b/version.properties
index 40336cb..d135146 100644
--- a/version.properties
+++ b/version.properties
@@ -1 +1 @@
-projectVersion=1.1.15
+projectVersion=1.1.16