diff --git a/READMErb.md b/READMErb.md
index 9266324f5..970713bc8 100644
--- a/READMErb.md
+++ b/READMErb.md
@@ -1,4 +1,4 @@
-# PyMuPDF 1.23.2
+# PyMuPDF 1.23.3
 
 This wheel contains MuPDF shared libraries for use by PyMuPDF.
 
diff --git a/changes.txt b/changes.txt
index 17b6a4ae5..765f54914 100644
--- a/changes.txt
+++ b/changes.txt
@@ -2,6 +2,11 @@ Change Log
 ==========
 
 
+**Changes in version 1.23.3 (2023-08-31)**
+
+* Fixed use of Tesseract for OCR.
+
+
 **Changes in version 1.23.2 (2023-08-28)**
 
 * **Fixed** `#2613 https://github.com/pymupdf/PyMuPDF/issues/2613`_: release 1.23.0 not MacOS-arm64 compatible
diff --git a/docs/version.rst b/docs/version.rst
index 008a934cb..bbe99e968 100644
--- a/docs/version.rst
+++ b/docs/version.rst
@@ -1,6 +1,6 @@
 ----
 
-This documentation covers **PyMuPDF v1.23.2** features as of **2023-08-28 00:00:01**.
+This documentation covers **PyMuPDF v1.23.3** features as of **2023-08-31 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/fitz/version.i b/fitz/version.i
index 4cbc82c93..cf9ae73bc 100644
--- a/fitz/version.i
+++ b/fitz/version.i
@@ -1,6 +1,6 @@
 %pythoncode %{
-VersionFitz = "1.23.0" # MuPDF version.
-VersionBind = "1.23.2" # PyMuPDF version.
-VersionDate = "2023-08-28 00:00:01"
-version = (VersionBind, VersionFitz, "20230828000001")
+VersionFitz = "1.23.2" # MuPDF version.
+VersionBind = "1.23.3" # PyMuPDF version.
+VersionDate = "2023-08-31 00:00:01"
+version = (VersionBind, VersionFitz, "20230831000001")
 %}
diff --git a/setup.py b/setup.py
index e51c5b5e3..c65df8d91 100755
--- a/setup.py
+++ b/setup.py
@@ -393,7 +393,7 @@ def get_mupdf_tgz():
     '''
     mupdf_url_or_local = os.environ.get(
             'PYMUPDF_SETUP_MUPDF_TGZ',
-            'https://mupdf.com/downloads/archive/mupdf-1.23.0-source.tar.gz',
+            'https://mupdf.com/downloads/archive/mupdf-1.23.2-source.tar.gz',
             )
     log( f'mupdf_url_or_local={mupdf_url_or_local!r}')
     if mupdf_url_or_local == '':
@@ -456,9 +456,9 @@ def get_mupdf():
     # 2023-07-11: For now we default to mupdf master.
     path = os.environ.get( 'PYMUPDF_SETUP_MUPDF_BUILD')
     if 0:
-        # 2023-08-18: default to specific sha.
-        path = 'git:--recursive --depth 1 --shallow-submodules --branch master https://github.com/ArtifexSoftware/mupdf.git'
-        sha = 'a6aaf0b1162a'    # Makerules scripts/wrap/__main__.py: fix cross-building to arm64 on MacOS.
+        # 2023-08-31: default to specific sha.
+        path = 'git:--recursive --depth 1 --shallow-submodules --branch master git://git.ghostscript.com/mupdf.git'
+        sha = '8e729ae6913e4'   # scripts/wrap/: added support for building with tesseract.
     else:
         sha = None
     log( f'PYMUPDF_SETUP_MUPDF_BUILD={path!r}')
@@ -1157,8 +1157,8 @@ def sdist():
 # We generate different wheels depending on g_flavour.
 #
 
-version = '1.23.2'
-version_b = '1.23.0'    # Use older PyMuPDFb wheels.
+version = '1.23.3'
+version_b = '1.23.3'
 
 tag_python = None
 requires_dist = None,
diff --git a/src/__init__.py b/src/__init__.py
index d95777323..ef536d413 100644
--- a/src/__init__.py
+++ b/src/__init__.py
@@ -21233,9 +21233,9 @@ class FitzDeprecation(DeprecationWarning):
     pass
 
 
-VersionFitz = "1.23.0" # MuPDF version.
-VersionBind = "1.23.2" # PyMuPDF version.
-VersionDate = "2023-08-28 00:00:01"
+VersionFitz = "1.23.2" # MuPDF version.
+VersionBind = "1.23.3" # PyMuPDF version.
+VersionDate = "2023-08-31 00:00:01"
 VersionDate2 = VersionDate.replace('-', '').replace(' ', '').replace(':', '')
 version = (VersionBind, VersionFitz, VersionDate2)