diff --git a/ChangeLog b/ChangeLog
index c866b8f..e29ba12 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2024-01-14  Dirk Eddelbuettel  <edd@debian.org>
+
+	* src/ql/time/calendars/brazil.{cpp,hpp}: Updated from QuantLib 1.33
+	* src/ql/time/calendars/chile.{cpp,hpp}: Idem
+	* src/ql/time/calendars/china.cpp: Idem
+	* src/ql/time/calendars/southafrica.cpp: Idem
+	* src/ql/time/calendars/taiwan.{cpp,hpp}: Idem
+	* src/ql/time/calendars/thailand.{cpp,hpp}: Idem
+	* src/ql/time/calendars/unitedstates.{cpp,hpp}: Idem
+	* src/ql/patterns/observable.{cpp,hpp}: Idem
+	* src/ql/time/date.hpp: Idem
+
 2023-11-29  Dirk Eddelbuettel  <edd@debian.org>
 
 	* DESCRIPTION (Version, Date): Release 0.0.9
diff --git a/DESCRIPTION b/DESCRIPTION
index 8bdf3a4..e2f3db0 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: qlcal
 Type: Package
 Title: R Bindings to the Calendaring Functionality of 'QuantLib'
-Version: 0.0.9
-Date: 2023-11-29
+Version: 0.0.9.1
+Date: 2024-01-14
 Author: Dirk Eddelbuettel; the authors and contributors of QuantLib
 Maintainer: Dirk Eddelbuettel <edd@debian.org>
 Description: 'QuantLib' bindings are provided for R using 'Rcpp' via an evolved version
diff --git a/inst/NEWS.Rd b/inst/NEWS.Rd
index ccb670d..f3fc71a 100644
--- a/inst/NEWS.Rd
+++ b/inst/NEWS.Rd
@@ -3,6 +3,12 @@
 \newcommand{\ghpr}{\href{https://github.com/qlcal/qlcal-r/pull/#1}{##1}}
 \newcommand{\ghit}{\href{https://github.com/qlcal/qlcal-r/issues/#1}{##1}}
 
+\section{Changes in version 0.0.9.1 (2024-01-14)}{
+  \itemize{
+    \item Synchronized with (release candidate of) QuantLib 1.32
+  }
+}
+
 \section{Changes in version 0.0.9 (2023-11-29)}{
   \itemize{
     \item \code{configure} now uses a new helper script to only set a
@@ -17,6 +23,7 @@
     \item A small set of updates from QuantLib 1.32 have been applied
     \item The explicit C++14 compilation standard has been replaced with
     an implicit one by relying on R (>= 4.2.0)
+    \item Synchronized with QuantLib 1.32
   }
 }
 
@@ -32,7 +39,7 @@
 \section{Changes in version 0.0.6 (2023-05-24)}{
   \itemize{
     \item Several calendars (India, Singapore, South Africa, South Korea)
-    updated with post-QuantLib 1.3.0 changes (Sebastian Schmidt in \ghpr{6})
+    updated with post-QuantLib 1.30 changes (Sebastian Schmidt in \ghpr{6})
     \item Three now-used scheduled files were removed (Dirk in \ghpr{7}))
     \item A number of non-calendaring files used were synchronised with the
     current QuantLib repo (Dirk in \ghpr{8})