diff --git a/AUTHORS.md b/AUTHORS.md
index b6c426445..52a3e92ce 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -114,3 +114,4 @@ Contributors
 - [@joranbeasley](https://github.com/joranbeasley) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/issues?q=is%3Aclosed+mentions%joranbeasley)
 -[@kianmeng](https://github.com/kianmeng) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/pull/1290#issue-1906020324)
 - [@lbeltrame](https://github.com/lbeltrame) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/pull/1401)
+- [@Sabrina-Hassaim](https://github.com/Sabrina-Hassaim) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/issues?q=is%3Aclosed+mentions%3ASabrinaHassaim)
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 24d9f12b0..8c1adc9f7 120000
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1 +1 @@
-mkdocs/devguide.md
\ No newline at end of file
+mkdocs/devguide.md
diff --git a/README.md b/README.md
index 5d848c8c8..fbbb1bddc 120000
--- a/README.md
+++ b/README.md
@@ -1 +1 @@
-mkdocs/index.md
\ No newline at end of file
+mkdocs/index.md
diff --git a/janitor/io.py b/janitor/io.py
index e405e9d43..8d73d7e9d 100644
--- a/janitor/io.py
+++ b/janitor/io.py
@@ -866,6 +866,7 @@ def _infer_file_type(file_path: str) -> str:
     Raises:
         ValueError if the file extension is unsupported.
     """
+    file_path = file_path.lower()
     if file_path.endswith(".zip"):
         return "zip"
     elif file_path.endswith((".tar", ".tar.gz")):
diff --git a/mkdocs/AUTHORS.md b/mkdocs/AUTHORS.md
index 3234d6e07..ba3b3475e 120000
--- a/mkdocs/AUTHORS.md
+++ b/mkdocs/AUTHORS.md
@@ -1 +1 @@
-../AUTHORS.md
\ No newline at end of file
+../AUTHORS.md
diff --git a/mkdocs/CHANGELOG.md b/mkdocs/CHANGELOG.md
index 04c99a55c..60b7a6ed9 120000
--- a/mkdocs/CHANGELOG.md
+++ b/mkdocs/CHANGELOG.md
@@ -1 +1 @@
-../CHANGELOG.md
\ No newline at end of file
+../CHANGELOG.md