diff --git a/system/extensions/update-current.ini b/system/extensions/update-current.ini
index c54efd6..ea0a218 100755
--- a/system/extensions/update-current.ini
+++ b/system/extensions/update-current.ini
@@ -1,11 +1,11 @@
 # Datenstrom Yellow update settings
 
 Extension: Core
-Version: 0.8.108
+Version: 0.8.109
 Description: Core functionality of the website.
 DocumentationUrl: https://github.com/annaesvensson/yellow-core
 DownloadUrl: https://github.com/datenstrom/yellow-extensions/raw/main/downloads/core.zip
-Published: 2023-04-16 23:48:53
+Published: 2023-04-20 06:01:12
 Developer: Mark Seuffert, David Fehrmann
 Tag: feature
 system/extensions/core.php: core.php, create, update
@@ -121,11 +121,11 @@ system/themes/stockholm-opensans-light.woff: stockholm-opensans-light.woff, crea
 system/themes/stockholm-opensans-regular.woff: stockholm-opensans-regular.woff, create, update, careful
 
 Extension: Update
-Version: 0.8.93
+Version: 0.8.94
 Description: Keep your website up to date.
 DocumentationUrl: https://github.com/annaesvensson/yellow-update
 DownloadUrl: https://github.com/datenstrom/yellow-extensions/raw/main/downloads/update.zip
-Published: 2023-04-16 23:51:15
+Published: 2023-04-19 20:46:53
 Developer: Anna Svensson
 Tag: feature
 system/extensions/update.php: update.php, create, update
diff --git a/system/extensions/update.php b/system/extensions/update.php
index 5d2902e..4023889 100644
--- a/system/extensions/update.php
+++ b/system/extensions/update.php
@@ -2,7 +2,7 @@
 // Update extension, https://github.com/annaesvensson/yellow-update
 
 class YellowUpdate {
-    const VERSION = "0.8.93";
+    const VERSION = "0.8.94";
     const PRIORITY = "2";
     public $yellow;                 // access to API
     public $extensions;             // number of extensions
@@ -82,13 +82,17 @@ class YellowUpdate {
             if ($text=="release") $output = "Datenstrom Yellow ".YellowCore::RELEASE;
             if ($text=="log") {
                 $fileName = $this->yellow->system->get("coreExtensionDirectory").$this->yellow->system->get("coreWebsiteFile");
-                $fileHandle = @fopen($fileName, "r");
+                $fileHandle = @fopen($fileName, "rb");
                 if ($fileHandle) {
-                    $dataBufferSize = 512;
-                    fseek($fileHandle, max(0, filesize($fileName) - $dataBufferSize));
-                    $dataBuffer = fread($fileHandle, $dataBufferSize);
-                    if (strlenb($dataBuffer)==$dataBufferSize) {
-                        $dataBuffer = ($pos = strposu($dataBuffer, "\n")) ? substru($dataBuffer, $pos+1) : $dataBuffer;
+                    clearstatcache(true, $fileName);
+                    if (flock($fileHandle, LOCK_SH)) {
+                        $dataBufferSize = 1024;
+                        fseek($fileHandle, max(0, filesize($fileName) - $dataBufferSize));
+                        $dataBuffer = fread($fileHandle, $dataBufferSize);
+                        if (strlenb($dataBuffer)==$dataBufferSize) {
+                            $dataBuffer = ($pos = strposu($dataBuffer, "\n")) ? substru($dataBuffer, $pos+1) : $dataBuffer;
+                        }
+                        flock($fileHandle, LOCK_UN);
                     }
                     fclose($fileHandle);
                 }