diff --git a/docs/devel/changelog.md b/docs/devel/changelog.md
index 410dd65f9..4e930cc83 100644
--- a/docs/devel/changelog.md
+++ b/docs/devel/changelog.md
@@ -7,6 +7,11 @@
 # Changelog
 
 
+## 4.1.0 (2023-03-07)
+
+- Updated PDFium from `5619` to `5633` (autorelease).
+
+
 ## 4.0.0 (2023-02-28)
 
 - Updated PDFium from `5579` to `5619` (autorelease).
diff --git a/src/pypdfium2/version.py b/src/pypdfium2/version.py
index 1b1446f58..1d4c29298 100644
--- a/src/pypdfium2/version.py
+++ b/src/pypdfium2/version.py
@@ -4,7 +4,7 @@
 __all__ = ["V_PYPDFIUM2", "V_LIBPDFIUM", "V_BUILDNAME", "V_PDFIUM_IS_V8"]
 
 V_MAJOR = 4
-V_MINOR = 0
+V_MINOR = 1
 V_PATCH = 0
 V_BETA = None
 
@@ -14,7 +14,7 @@
     V_PYPDFIUM2 += f"b{V_BETA}"
 
 #: PDFium library version string (git tag or commit hash)
-V_LIBPDFIUM = "5619"
+V_LIBPDFIUM = "5633"
 
 #: String describing the included PDFium binary's origin (pdfium-binaries, source)
 V_BUILDNAME = "pdfium-binaries"