diff --git a/pyproject.toml b/pyproject.toml
index 364d5dc..afbc690 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,10 +34,7 @@ path = "rendercv/__init__.py"
 [tool.hatch.build]
 # In the sdist package, what do we want to include and exclude? For example, we don't
 # want to include `docs` and `tests` because they are not needed to run RenderCV.
-include = [
-    "/README.md",
-    "/rendercv",
-]
+include = ["/README.md", "/rendercv"]
 
 [project]
 # Under the `project` section, we specify the metadata about RenderCV.e will use
@@ -45,7 +42,9 @@ include = [
 # and get the version number from there.
 name = 'rendercv'
 description = 'LaTeX CV generator from a YAML/JSON input file'
-dynamic = ["version"] # We will use hatchling to generate the version number                                         
+dynamic = [
+    "version",
+] # We will use hatchling to generate the version number                                         
 authors = [{ name = 'Sina Atalay' }]
 requires-python = '>=3.10'
 readme = "README.md"
@@ -53,15 +52,13 @@ readme = "README.md"
 # is installed:
 dependencies = [
     'annotated-types==0.6.0',
-    'Jinja2==3.1.2',
-    'phonenumbers==8.13.22',
-    'pydantic==2.4.2',
-    'pydantic-extra-types==2.1.0',
-    'pydantic_core==2.10.1',
-    'typing_extensions==4.8.0',
-    'pyspellchecker==0.7.2',
-    'ruamel.yaml==0.17.35',
-    'email-validator==2.0.0.post2',
+    'Jinja2==3.1.3',
+    'phonenumbers==8.13.28',
+    'pydantic==2.5.3',
+    'pydantic-extra-types==2.4.1',
+    'typing_extensions==4.9.0',
+    'ruamel.yaml==0.18.5',
+    'email-validator==2.1.0.post1',
     'typer[all]==0.9.0',
 ]
 classifiers = [
@@ -97,9 +94,17 @@ rendercv = 'rendercv.__main__:cli'
 # to run RenderCV, but they are required to develop RenderCV. For example, to build the
 # documentation of RenderCV, we need to install some packages. However, not all the
 # users of RenderCV will build the documentation, so these are optional dependencies.
-building_docs = ["mkdocs", "mkdocs-material", "mkdocstrings-python"]
-testing = ["coverage", "pytest", "pytest-cov"]
-development = ["black", "ruff"]
+
+# The documentation of RenderCV is built using MkDocs.
+building_docs = ["mkdocs-material==9.5.4", "mkdocstrings-python==1.8.0"]
+
+# For tests, RenderCV uses pytest. Coverage package is used to generate coverage
+# reports.
+testing = ["coverage==7.4.0", "pytest==7.4.4"]
+
+# Ruff is a linter (a tool to flag stylistic errors, bugs, suspicious constructs, etc.)
+# Black is a code formatter.
+development = ["ruff==0.1.13", "black==23.12.1"]
 
 
 # RenderCV uses different tools to check the code quality, format the code, build the
@@ -108,15 +113,10 @@ development = ["black", "ruff"]
 # these tools easily. Generally, popular IDEs grab these settings from `pyproject.toml`
 # file automatically.
 
-[tool.ruff]
-# Ruff is a linter (a tool to flag stylistic errors, bugs, suspicious constructs, etc.)
-line-length = 88 # The maximum line length
+[tool.black]
+line-length = 88                      # The maximum line length
+experimental_string_processing = true
 
 [tool.coverage.run]
 source = ['rendercv']
 relative_files = true
-
-[tool.black]
-# Black is a code formatter. See https://github.com/psf/black
-line-length = 88 # The maximum line length
-experimental-string-processing = true # Enable experimental string processing
\ No newline at end of file