diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80f7022d..2f0ffb79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,10 @@ All notable changes to this project will be documented in this file. The format
 - Add `--include-attrs`/`--exclude-attrs` to CLI (and corresponding params to `.to_json(...)`, `.to_csv(...)`, and `Serializer`.
 - Add `py.typed` for PEP561 compatibility and detection of typing hints by mypy.
 
+### Changed
+
+- Bump pinned `pdfminer.six` version to `20220524`.
+
 ### Removed
 
 - Remove `utils.collate_chars(...)`, the old name (and then alias) for `utils.extract_text(...)`.
diff --git a/requirements.txt b/requirements.txt
index 9b2e9740..6e26a9b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-pdfminer.six==20220319
+pdfminer.six==20220524
 Pillow>=9.1
 Wand>=0.6.7