diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3fdeafa..a51c8a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,24 @@ and this project adheres to [Semantic Versioning][]. Full commit history is avai
 
 ## Version 0.1
 
+### Unreleased
+
+### 0.1.3 (2025-02-07)
+
+#### Added
+
+- Added tests for the single-sample case {pr}`29`.
+- Refer to issues and PRs with sphinx {pr}`30`.
+
+#### Removed
+
+- Removed `tenacity` for query retries {pr}`28`.
+
+#### Fixed
+
+- Fixed `_get_annotation_summary_string` for the single-sample case {pr}`29`.
+- Fixed the expected cell type marker test by adding additional marker genes {pr}`28`.
+
 ### 0.1.2 (2025-01-29)
 
 #### Added
diff --git a/docs/conf.py b/docs/conf.py
index 5ac2326..875ea20 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -59,6 +59,7 @@
     "IPython.sphinxext.ipython_console_highlighting",
     "sphinxext.opengraph",
     *[p.stem for p in (HERE / "extensions").glob("*.py")],
+    "sphinx.ext.extlinks",
 ]
 
 # autodoc + napoleon configuration
@@ -101,6 +102,13 @@
     "numpy": ("https://numpy.org/doc/stable/", None),
 }
 
+# extlinks config
+extlinks = {
+    "issue": (f"{repository_url}/issues/%s", "#%s"),
+    "pr": (f"{repository_url}/pull/%s", "#%s"),
+    "ghuser": ("https://github.com/%s", "@%s"),
+}
+
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This pattern also affects html_static_path and html_extra_path.