diff --git a/atest/config_pyproject/example_pyproject.toml b/atest/config_pyproject/example_pyproject.toml
new file mode 100644
index 0000000..cfbed80
--- /dev/null
+++ b/atest/config_pyproject/example_pyproject.toml
@@ -0,0 +1,32 @@
+[tool.testdoc]
+title = "New title of HTML document"
+name = "New name of root suite element"
+doc = "New doc text of root suite element"
+sourceprefix = "gitlab::https://gitlab.com/myrepo/repo_path"
+include = ["TagA", "TagB"]
+exclude = ["TagC"]
+hide_tags = true
+hide_test_doc = true
+hide_suite_doc = true
+hide_source = true
+hide_keywords = true
+style = "blue"
+verbose_mode = false
+
+[tool.testdoc.metadata]
+Author = "Your-Name"
+Version = "1.0.0"
+Source = "AnySourceAsMetaData"
+
+[tool.testdoc.colors]
+# Use predefined theme:
+default = "blue"
+# or custom colors:
+background = "#000028"
+inner_color = "#000028"
+button_active_color = "#193966"
+button_hover_color = "#193966"
+border_color = "#CCCCCC"
+text_color = "#CCCCCC"
+title_color = "#00ffb9"
+robot_icon = "#00ffb9"
diff --git a/pyproject.toml b/pyproject.toml
index 01c1074..bd2165f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "robotframework-testdoc"
-version = "0.1.7"
+version = "0.1.8"
 description = "A CLI Tool to generate a Test Documentation for your RobotFramework Test Scripts."
 readme = "README.md"
 requires-python = ">=3.7"
@@ -25,4 +25,4 @@ testdoc = "testdoc.cli:main"
 line-length = 150
 lint.select = ["E", "F"]  # Pyflakes & pycodestyle
 lint.ignore = ["E722"]
-exclude = ["build", "dist"]
\ No newline at end of file
+exclude = ["build", "dist"]
diff --git a/src/testdoc/cli.py b/src/testdoc/cli.py
index 5f63b9d..213b326 100644
--- a/src/testdoc/cli.py
+++ b/src/testdoc/cli.py
@@ -47,14 +47,15 @@ def main(
     Welcome to robotframework-testdoc - the new test documentation generator for your Robot Framework tests!
     """
     color = "green"
-    click.echo(click.style("""
+    entrypoint_msg = """
 ████████╗███████╗███████╗████████╗██████╗ ███████╗███████╗
 ╚══██╔══╝██╔════╝██╔════╝╚══██╔══╝██   ██╗██   ██║██╔════╝
    ██║   █████╗  ███████╗   ██║   ██   ██║██   ██║██║     
    ██║   ██╔══╝  ╚════██║   ██║   ██   ██║██   ██║██║       
    ██║   ███████╗███████║   ██║   ██████╔╝███████║███████╗
    ╚═╝   ╚══════╝╚══════╝   ╚═╝   ╚═════╝ ╚══════╝ ╚═════╝  
-      """, fg=color)
+      """
+    click.echo(click.style(entrypoint_msg, fg=color)
     )
 
     args_instance = CommandLineArguments()
diff --git a/src/testdoc/helper/cliargs.py b/src/testdoc/helper/cliargs.py
index f7cd379..af7f092 100644
--- a/src/testdoc/helper/cliargs.py
+++ b/src/testdoc/helper/cliargs.py
@@ -1,6 +1,7 @@
 from dataclasses import dataclass, field
-from typing import List
+from typing import Any, List
 import tomli
+import os
 
 @dataclass
 class CommandLineArgumentsData:
@@ -32,13 +33,52 @@ def __new__(cls):
             cls.data = CommandLineArgumentsData()
         return cls._instance
     
+    ###
+    ### Load configuration file
+    ###
     def load_from_config_file(self, file_path: str):
         with open(file_path, "rb") as f:
             config = tomli.load(f)
 
+        _is_pyproject = self._is_pyproject_config(file_path)
+        if _is_pyproject:
+            self._handle_pyproject_config(config)
+        else:
+            self._handle_custom_config(config)
+
+    ###
+    ### Read pyproject.toml
+    ###
+    def _handle_pyproject_config(self, config: dict[str, Any]):
+        testdoc_config = config.get("tool", {}).get("testdoc", {})
+
+        if "colors" in testdoc_config:
+            self.data.colors = testdoc_config["colors"]
+
+        if "metadata" in testdoc_config:
+            if hasattr(self.data, "metadata"):
+                setattr(self.data, "metadata", testdoc_config["metadata"])
+
+        for key, value in testdoc_config.items():
+            if key in ("colors", "metadata"):
+                continue
+            if hasattr(self.data, key):
+                setattr(self.data, key, value)
+
+    ###
+    ### Read custom.toml
+    ###
+    def _handle_custom_config(self, config: dict[str, Any]):
         if "colors" in config:
             self.data.colors = config["colors"]
 
         for key, value in config.items():
             if hasattr(self.data, key):
-                setattr(self.data, key, value)
\ No newline at end of file
+                setattr(self.data, key, value)
+
+    #####################################################################################
+
+    def _is_pyproject_config(self, file_path) -> bool:
+        return os.path.basename(file_path) == "pyproject.toml"
+    
+    #####################################################################################
\ No newline at end of file
diff --git a/src/testdoc/parser/testcaseparser.py b/src/testdoc/parser/testcaseparser.py
index 1ce0c05..870019d 100644
--- a/src/testdoc/parser/testcaseparser.py
+++ b/src/testdoc/parser/testcaseparser.py
@@ -1,4 +1,5 @@
 from robot.api import TestSuite
+from robot.errors import DataError
 from ..helper.cliargs import CommandLineArguments
 
 class TestCaseParser():
@@ -25,8 +26,11 @@ def parse_test(self,
         
     # Consider tags via officially provided robot api
     def consider_tags(self, suite: TestSuite) -> TestSuite:
-        if len(self.args.include) > 0:
-            suite.configure(include_tags=self.args.include) 
-        if len(self.args.exclude) > 0:
-            suite.configure(exclude_tags=self.args.exclude)
-        return suite
\ No newline at end of file
+        try: 
+            if len(self.args.include) > 0:
+                suite.configure(include_tags=self.args.include) 
+            if len(self.args.exclude) > 0:
+                suite.configure(exclude_tags=self.args.exclude)
+            return suite
+        except DataError as e:
+            raise DataError(e.message)
\ No newline at end of file