diff --git a/README.md b/README.md
index fe78f473..1ba7d398 100644
--- a/README.md
+++ b/README.md
@@ -76,18 +76,18 @@ Maven:
 <dependency>
     <groupId>com.simiacryptus</groupId>
     <artifactId>skyenet-webui</artifactId>
-    <version>1.0.28</version>
+    <version>1.0.29</version>
 </dependency>
 ```
 
 Gradle:
 
 ```groovy
-implementation group: 'com.simiacryptus', name: 'skyenet', version: '1.0.28'
+implementation group: 'com.simiacryptus', name: 'skyenet', version: '1.0.29'
 ```
 
 ```kotlin
-implementation("com.simiacryptus:skyenet:1.0.28")
+implementation("com.simiacryptus:skyenet:1.0.29")
 ```
 
 ### 🌟 To Use
diff --git a/core/src/main/kotlin/com/simiacryptus/skyenet/util/AuthorizationManager.kt b/core/src/main/kotlin/com/simiacryptus/skyenet/util/AuthorizationManager.kt
index b818e34f..517be110 100644
--- a/core/src/main/kotlin/com/simiacryptus/skyenet/util/AuthorizationManager.kt
+++ b/core/src/main/kotlin/com/simiacryptus/skyenet/util/AuthorizationManager.kt
@@ -1,7 +1,5 @@
 package com.simiacryptus.skyenet.util
 
-import java.nio.file.Files
-import java.nio.file.Paths
 import java.util.*
 
 object AuthorizationManager {
@@ -22,7 +20,7 @@ object AuthorizationManager {
         if (isUserAuthorized("/permissions/${operationType.name.lowercase(Locale.getDefault())}.txt", user)) {
             log.debug("User {} authorized for {} globally", user, operationType)
             true
-        } else if(null != applicationClass) {
+        } else if (null != applicationClass) {
             val packagePath = applicationClass.`package`.name.replace('.', '/')
             val opName = operationType.name.lowercase(Locale.getDefault())
             if (isUserAuthorized("/$packagePath/$opName.txt", user)) {
@@ -42,14 +40,10 @@ object AuthorizationManager {
     }
 
     private fun isUserAuthorized(permissionPath: String, user: String?): Boolean {
-        val url = this::class.java.getResource(permissionPath)
-        if (url == null) {
-            log.debug("No permissions file found at $permissionPath")
-            return false
-        }
-        val path = Paths.get(url.toURI())
-        val lines = Files.readAllLines(path)
-        return lines.any { it.equals(user, ignoreCase = true) || it == "*" }
+        return this::class.java.getResourceAsStream(permissionPath)?.use { stream ->
+            val lines = stream.bufferedReader().readLines()
+            lines.any { it.equals(user, ignoreCase = true) || it == "*" }
+        } ?: false
     }
 
     val log = org.slf4j.LoggerFactory.getLogger(AuthorizationManager::class.java)
diff --git a/core/src/main/kotlin/com/simiacryptus/skyenet/util/UsageManager.kt b/core/src/main/kotlin/com/simiacryptus/skyenet/util/UsageManager.kt
index 3aee74d6..b59e251e 100644
--- a/core/src/main/kotlin/com/simiacryptus/skyenet/util/UsageManager.kt
+++ b/core/src/main/kotlin/com/simiacryptus/skyenet/util/UsageManager.kt
@@ -13,7 +13,7 @@ object UsageManager {
 
     private val scheduler = Executors.newSingleThreadScheduledExecutor()
     private val txLogFile = File(".skyenet/usage/log.csv")
-    private val txLogFileWriter by lazy { FileWriter(txLogFile, true) }
+    @Volatile private var txLogFileWriter: FileWriter
     private val usagePerSession = HashMap<String, UsageCounters>()
     private val sessionsByUser = HashMap<String, ArrayList<String>>()
     private val usersBySession = HashMap<String, ArrayList<String>>()
@@ -21,6 +21,7 @@ object UsageManager {
     init {
         txLogFile.parentFile.mkdirs()
         loadFromLog(txLogFile)
+        txLogFileWriter = FileWriter(txLogFile, true)
         scheduler.scheduleAtFixedRate({ saveCounters() }, 1, 1, TimeUnit.HOURS)
     }
 
@@ -34,6 +35,7 @@ object UsageManager {
             }
         }
     }
+
     @Suppress("MemberVisibilityCanBePrivate")
     fun writeCompactLog(file: File) {
         val writer = FileWriter(file)
@@ -48,8 +50,33 @@ object UsageManager {
     }
 
     private fun saveCounters() {
-        txLogFile.renameTo(File(txLogFile.absolutePath + "." + System.currentTimeMillis()))
-        writeCompactLog(txLogFile)
+        txLogFileWriter = FileWriter(txLogFile, true)
+        val timedFile = File(txLogFile.absolutePath + "." + System.currentTimeMillis())
+        writeCompactLog(timedFile)
+        val swapFile = File(txLogFile.absolutePath + ".old")
+        synchronized(txLogFile) {
+            try {
+                txLogFileWriter.close()
+            } catch (e: Exception) {
+                log.warn("Error closing log file", e)
+            }
+            try {
+                txLogFile.renameTo(swapFile)
+            } catch (e: Exception) {
+                log.warn("Error renaming log file", e)
+            }
+            try {
+                timedFile.renameTo(txLogFile)
+            } catch (e: Exception) {
+                log.warn("Error renaming log file", e)
+            }
+            try {
+                swapFile.renameTo(timedFile)
+            } catch (e: Exception) {
+                log.warn("Error renaming log file", e)
+            }
+            txLogFileWriter = FileWriter(txLogFile, true)
+        }
         File(".skyenet/usage/counters.json").writeText(JsonUtil.toJson(usagePerSession))
     }
 
@@ -67,9 +94,13 @@ object UsageManager {
             }
             sessions.add(sessionId)
         }
-        synchronized(txLogFileWriter) {
-            txLogFileWriter.write("$sessionId,$user,${model.modelName},$tokens\n")
-            txLogFileWriter.flush()
+        try {
+            synchronized(txLogFile) {
+                txLogFileWriter.write("$sessionId,$user,${model.modelName},$tokens\n")
+                txLogFileWriter.flush()
+            }
+        } catch (e: Exception) {
+            log.warn("Error incrementing usage", e)
         }
     }
 
diff --git a/gradle.properties b/gradle.properties
index 3204842a..c7da930c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 # Gradle Releases -> https://github.com/gradle/gradle/releases
 libraryGroup = com.simiacryptus.skyenet
-libraryVersion = 1.0.28
+libraryVersion = 1.0.29
 gradleVersion = 7.6.1
 
 # Opt-out flag for bundling Kotlin standard library -> https://plugins.jetbrains.com/docs/intellij/kotlin.html#kotlin-standard-library