diff --git a/.gitignore b/.gitignore
index 4aa6e1218..6dd5355cc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -69,4 +69,7 @@ lispcore.py
 .idea/
 .envrc
 poetry.lock
-**/*.~undo-tree~
\ No newline at end of file
+**/*.~undo-tree~
+
+# Basilisp
+.nrepl-port
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ab2885ab..e2773b89d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -37,7 +37,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Other
  * Improve the state of the Python type hints in `basilisp.lang.*` (#797, #784)
-
+ * Pin the Sphinx dependency version to fix Read The Docs builds (#814)
 
 ## [v0.1.0b0]
 ### Added
diff --git a/pyproject.toml b/pyproject.toml
index 277cc527b..3444237e6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,8 +50,8 @@ isort = "*"
 pygments = "*"
 pytest = "^7.0.0"
 pytest-pycharm = "*"
-sphinx = "*"
-sphinx-rtd-theme = "*"
+sphinx = "^4.4.0"
+sphinx-rtd-theme = "^1.3.0"
 tox = "*"
 
 [tool.poetry.extras]