diff --git a/GANDLF/entrypoints/debug_info.py b/GANDLF/entrypoints/debug_info.py
index 9890e2813..e8bc781a2 100644
--- a/GANDLF/entrypoints/debug_info.py
+++ b/GANDLF/entrypoints/debug_info.py
@@ -1,6 +1,8 @@
 #!usr/bin/env python
 # -*- coding: utf-8 -*-
 import platform
+import argparse
+from pip import main
 from deprecated import deprecated
 import click
 
@@ -8,8 +10,11 @@
 from GANDLF.entrypoints import append_copyright_to_help
 from GANDLF.utils import get_git_hash
 
+from GANDLF.cli import copyrightMessage
 
-def _debug_info():
+
+def _debug_info(verbose: bool):
+    """Function to display necessary debugging information."""
     print(f"GANDLF version: {__version__}")
     print(f"Git hash: {get_git_hash()}")
     print(f"Platform: {platform.platform()}")
@@ -21,13 +26,22 @@ def _debug_info():
     print(f"  Implementation: {platform.python_implementation()}")
     print(f"  Compiler: {platform.python_compiler()}")
     print(f"  Build: {(' ').join(list(platform.python_build()))}")
+    if verbose:
+        print("  Installed packages:")
+        print(main(["list"]))
 
 
 @click.command()
+@click.option(
+    "--verbose",
+    "-v",
+    is_flag=True,
+    help="If passed, prints all packages installed as well",
+)
 @append_copyright_to_help
-def new_way():
+def new_way(verbose: bool):
     """Displays detailed info about system environment: library versions, settings, etc."""
-    _debug_info()
+    _debug_info(verbose=verbose)
 
 
 # main function
@@ -37,7 +51,21 @@ def new_way():
     + "`gandlf_debugInfo` script would be deprecated soon."
 )
 def old_way():
-    _debug_info()
+    parser = argparse.ArgumentParser(
+        prog="GANDLF_DebugInfo",
+        formatter_class=argparse.RawTextHelpFormatter,
+        description="Generate debugging information for maintainers.\n\n"
+        + copyrightMessage,
+    )
+    parser.add_argument(
+        "-v",
+        "--verbose",
+        action="store_true",
+        default=False,
+        help="If True, prints all packages installed as well.",
+    )
+    args = parser.parse_args()
+    _debug_info(verbose=args.verbose)
 
 
 if __name__ == "__main__":
diff --git a/testing/entrypoints/test_debug_info.py b/testing/entrypoints/test_debug_info.py
index 9cf12bed0..9f70f247d 100644
--- a/testing/entrypoints/test_debug_info.py
+++ b/testing/entrypoints/test_debug_info.py
@@ -16,8 +16,17 @@
 test_file_system = []
 test_cases = [
     CliCase(
-        should_succeed=True, new_way_lines=[""], old_way_lines=[""], expected_args={}
-    )
+        should_succeed=True,
+        new_way_lines=[""],
+        old_way_lines=[""],
+        expected_args={"verbose": False},
+    ),
+    CliCase(
+        should_succeed=True,
+        new_way_lines=["--verbose", "-v"],
+        old_way_lines=["--verbose", "-v"],
+        expected_args={"verbose": True},
+    ),
 ]