diff --git a/.github/ISSUE_TEMPLATE/bug_report.yml b/.github/ISSUE_TEMPLATE/bug_report.yml
index d5366df41..b341b001b 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.yml
+++ b/.github/ISSUE_TEMPLATE/bug_report.yml
@@ -47,6 +47,7 @@ body:
       label: PyMuPDF version
       options:
         - 
+        - 1.23.21
         - 1.23.20
         - 1.23.19
         - 1.23.18
diff --git a/changes.txt b/changes.txt
index a9e66b765..1dca31496 100644
--- a/changes.txt
+++ b/changes.txt
@@ -2,7 +2,7 @@ Change Log
 ==========
 
 
-**Changes in version ? (?)**
+**Changes in version 1.23.21 (2024-02-01)**
 
 * Fixed issues:
 
diff --git a/docs/version.rst b/docs/version.rst
index 6b1ab1b53..be6ee8ae8 100644
--- a/docs/version.rst
+++ b/docs/version.rst
@@ -1,6 +1,6 @@
 ----
 
-This documentation covers **PyMuPDF v1.23.20** features as of **2024-01-29 00:00:01**.
+This documentation covers **PyMuPDF v1.23.21** features as of **2024-02-01 00:00:01**.
 
 The major and minor versions of **PyMuPDF** and **MuPDF** will always be the same. Only the third qualifier (patch level) may deviate from that of **MuPDF**.
 
diff --git a/setup.py b/setup.py
index 571ceb7e5..8f3ac7775 100755
--- a/setup.py
+++ b/setup.py
@@ -1072,7 +1072,7 @@ def sdist():
 # We generate different wheels depending on g_flavour.
 #
 
-version = '1.23.20'
+version = '1.23.21'
 version_b = '1.23.9'
 
 tag_python = None
diff --git a/src/__init__.py b/src/__init__.py
index ba9214aa6..ef6b1d9c8 100644
--- a/src/__init__.py
+++ b/src/__init__.py
@@ -21822,8 +21822,8 @@ def int_rc(text):
     return int(text)
 
 VersionFitz = "1.23.9" # MuPDF version.
-VersionBind = "1.23.20" # PyMuPDF version.
-VersionDate = "2024-01-29 00:00:01"
+VersionBind = "1.23.21" # PyMuPDF version.
+VersionDate = "2024-02-01 00:00:01"
 VersionDate2 = VersionDate.replace('-', '').replace(' ', '').replace(':', '')
 version = (VersionBind, VersionFitz, VersionDate2)
 pymupdf_version_tuple = tuple( [int_rc(i) for i in VersionBind.split('.')])
diff --git a/src_classic/version.i b/src_classic/version.i
index c7ae25a5e..43275543f 100644
--- a/src_classic/version.i
+++ b/src_classic/version.i
@@ -1,7 +1,7 @@
 %pythoncode %{
 VersionFitz = "1.23.9" # MuPDF version.
-VersionBind = "1.23.20" # PyMuPDF version.
-VersionDate = "2024-01-29 00:00:01"
-version = (VersionBind, VersionFitz, "20240129000001")
+VersionBind = "1.23.21" # PyMuPDF version.
+VersionDate = "2024-02-01 00:00:01"
+version = (VersionBind, VersionFitz, "20240201000001")
 pymupdf_version_tuple = tuple( [int(i) for i in VersionFitz.split('.')])
 %}