diff --git a/docs/source/changelog.md b/docs/source/changelog.md
index 9f347170c..f73765b26 100644
--- a/docs/source/changelog.md
+++ b/docs/source/changelog.md
@@ -4,6 +4,11 @@
 # Changelog
 
 
+## 1.9.1 (2022-05-16)
+
+- Bugfix release to address incompatibility of the CLI with Python 3.6, caused by recent changes.
+
+
 ## 1.9.0 (2022-05-16)
 
 - Updated PDFium from `5052` to `5065`.
diff --git a/src/pypdfium2/_version.py b/src/pypdfium2/_version.py
index 876a90cc4..86ed35fce 100644
--- a/src/pypdfium2/_version.py
+++ b/src/pypdfium2/_version.py
@@ -3,7 +3,7 @@
 
 V_MAJOR = 1
 V_MINOR = 9
-V_PATCH = 0
+V_PATCH = 1
 V_BETA = None
 
 #: pypdfium2 version string