diff --git a/.idea/php.xml b/.idea/php.xml
index 9144d49..49f80d7 100644
--- a/.idea/php.xml
+++ b/.idea/php.xml
@@ -11,14 +11,16 @@
   </component>
   <component name="PhpIncludePathManager">
     <include_path>
-      <path value="/var/ncc/packages/com.symfony.yaml=v7.1.4" />
-      <path value="/var/ncc/packages/com.symfony.polyfill_mbstring=v1.31.0" />
-      <path value="/var/ncc/packages/com.symfony.filesystem=v7.1.2" />
+      <path value="/var/ncc/packages/net.nosial.optslib=1.1.2" />
+      <path value="/var/ncc/packages/net.nosial.loglib=1.1.1" />
+      <path value="/var/ncc/packages/com.symfony.uid=v7.1.5" />
+      <path value="/var/ncc/packages/com.symfony.yaml=v7.1.5" />
+      <path value="/var/ncc/packages/com.symfony.filesystem=v7.1.5" />
       <path value="/var/ncc/packages/com.symfony.polyfill_ctype=v1.31.0" />
-      <path value="/var/ncc/packages/com.symfony.process=v7.1.3" />
-      <path value="/var/ncc/packages/net.nosial.optslib=1.1.0" />
+      <path value="/var/ncc/packages/com.symfony.polyfill_mbstring=v1.31.0" />
+      <path value="/var/ncc/packages/com.symfony.polyfill_uuid=v1.31.0" />
+      <path value="/var/ncc/packages/com.symfony.process=v7.1.5" />
       <path value="/usr/share/ncc" />
-      <path value="/var/ncc/packages/net.nosial.loglib=1.1.0" />
       <path value="/usr/share/php" />
     </include_path>
   </component>
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 463f5cb..c90335e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.1.4] - Ongoing
+
+This update introduces a minor bug fix
+
+### Fixed
+ - Fixed regex pattern for configuration properties being considered invalid when they contain an underscore.
+
+
 ## [1.1.3] - 2024-10-13
 
 This update introduces a new build system
diff --git a/src/ConfigLib/Configuration.php b/src/ConfigLib/Configuration.php
index 7567b06..24be647 100644
--- a/src/ConfigLib/Configuration.php
+++ b/src/ConfigLib/Configuration.php
@@ -167,11 +167,10 @@
          */
         private static function validateKey(string $input): bool
         {
-            if (preg_match('/^([a-zA-Z0-9_]+\.?)+$/', $input))
+            if (preg_match('/^[a-zA-Z0-9_]+(\.[a-zA-Z0-9_]+)*$/', $input))
             {
                 return true;
             }
-
             return false;
         }
 
diff --git a/tests/ConfigLib/ConfigurationTest.php b/tests/ConfigLib/ConfigurationTest.php
index 2f8330b..2ec4b21 100644
--- a/tests/ConfigLib/ConfigurationTest.php
+++ b/tests/ConfigLib/ConfigurationTest.php
@@ -9,7 +9,11 @@ class ConfigurationTest extends TestCase
     public static function setUpBeforeClass(): void
     {
         $config = new Configuration('test');
-        unlink($config->getPath());
+
+        if(file_exists($config->getPath()))
+        {
+            unlink($config->getPath());
+        }
     }
 
     public function testConstruct(): void
@@ -24,6 +28,7 @@ class ConfigurationTest extends TestCase
 
         $this->assertTrue($config->set('key1.key2', 'value', true));
         $this->assertEquals('value', $config->get('key1.key2'));
+
     }
 
     public function testSetNotExists(): void