diff --git a/CHANGELOG.md b/CHANGELOG.md
index f69d8e0..e37f803 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,9 @@ This update introduces minor bug fixes.
  - Set default process timeouts to null
  - Fixed issue where a newline is sometimes added to the end of a download output due to how short the download process
    was, mitigated the issue by enforcing a "done" update at the end of the download process
+ - Fixed issue where all development dependencies were not correctly being added to debug builds in composer projects,
+   instead these dependencies were added globally to the build configuration. This issue was fixed by adding all the
+   development dependencies to the debug build configurations only.
 
 
 ## [2.0.3] - 2023-10-17
@@ -38,7 +41,7 @@ The changes improve the system's efficiency, error resilience, and user experien
  - Implemented support in the AST traversal for the PHP statements `include`, `include_once`, `require`, and
    `require_once`. These statements are transformed into function calls. With this change, ncc can correctly handle and 
    import files from system packages or direct binary package files.
- - Added new `ConsoleProgressBar` class for UI improvement, imrpoved the CLI Progress Bar inspired by
+ - Added new `ConsoleProgressBar` class for UI improvement, improved the CLI Progress Bar inspired by
    [pacman](https://wiki.archlinux.org/title/pacman)
 
 ### Fixed
diff --git a/src/ncc/Classes/PackageReader.php b/src/ncc/Classes/PackageReader.php
index d42c760..814f253 100644
--- a/src/ncc/Classes/PackageReader.php
+++ b/src/ncc/Classes/PackageReader.php
@@ -195,7 +195,7 @@
                 }
             }
 
-            if($this->data_length === null)
+            if($this->data_length === null || $this->data_length === 0)
             {
                 throw new IOException(sprintf('File \'%s\' is not a valid package file (missing end of package)', $file_path));
             }
diff --git a/src/ncc/Managers/ProjectManager.php b/src/ncc/Managers/ProjectManager.php
index 6e55750..5366593 100644
--- a/src/ncc/Managers/ProjectManager.php
+++ b/src/ncc/Managers/ProjectManager.php
@@ -496,6 +496,7 @@
             // Create the build configuration
             $build = new ProjectConfiguration\Build('auto_src');
             $build->setDefaultConfiguration('release_ncc');
+            $require_dev = [];
 
             // Process dependencies
             if($composer_json->getRequire() !== null)
@@ -516,7 +517,6 @@
             }
 
             // Process developer dependencies
-            $require_dev = [];
             if($composer_json->getRequireDev() !== null)
             {
                 /** @var ComposerJson\PackageLink $package_link */
@@ -528,10 +528,9 @@
                     }
 
                     $source = sprintf('%s=%s@packagist', $package_link->getPackageName(), $package_link->getVersion());
-                    $build->addDependency(new ProjectConfiguration\Dependency(
+                    $require_dev[] = new ProjectConfiguration\Dependency(
                         Resolver::composerNameToPackage($package_link->getPackageName()), $source, $package_link->getVersion()
-                    ));
-                    $require_dev[] = $package_link->getPackageName();
+                    );
                 }
             }