diff --git a/setup.cfg b/setup.cfg
index d5ca746..fec5c85 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -41,6 +41,12 @@ install_requires =
     PyGithub ~= 2.0
     ruamel.yaml ~= 0.15
 
+[options.extras_require]
+test =
+    mypy
+    pytest
+    pytest-cov
+
 [options.packages.find]
 where = src
 
diff --git a/src/solidation/__main__.py b/src/solidation/__main__.py
index 37e550e..6bf0e52 100644
--- a/src/solidation/__main__.py
+++ b/src/solidation/__main__.py
@@ -250,7 +250,7 @@ def to_markdown(self) -> str:
                 if user is None:
                     user = i.user.login
                 s += (
-                    f"- [{i.title}]({i.html_url}) by {user}"
+                    f"- [{sanitize_md(i.title)}]({i.html_url}) by {user}"
                     f" [{i.repository.full_name}]\n"
                 )
 
@@ -437,6 +437,11 @@ def ensure_aware(dt: datetime) -> datetime:
     return dt.replace(tzinfo=timezone.utc) if dt.tzinfo is None else dt
 
 
+def sanitize_md(s: str) -> str:
+    # Remove `[]` symbols to ensure correct markdown in the references
+    return re.sub(r'[\[\]]', '', s)
+
+
 @click.command()
 @click.option(
     "-c",
diff --git a/src/solidation/tests/__init__.py b/src/solidation/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/solidation/tests/test_main.py b/src/solidation/tests/test_main.py
new file mode 100644
index 0000000..59dd5cc
--- /dev/null
+++ b/src/solidation/tests/test_main.py
@@ -0,0 +1,5 @@
+from ..__main__ import sanitize_md
+
+
+def test_sanitize_md() -> None:
+    assert sanitize_md("[gh-actions](deps): Bump") == "gh-actions(deps): Bump"
diff --git a/tox.ini b/tox.ini
index 740b591..a49816e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,8 +1,13 @@
 [tox]
-envlist = lint,typing
+envlist = lint,typing,py3
 isolated_build = True
 minversion = 3.3.0
 
+[testenv]
+extras = test
+commands =
+    python -m pytest -v {posargs} src
+
 [testenv:lint]
 skip_install = True
 deps =