diff --git a/.github/workflows/test-windows.yml b/.github/workflows/test-windows.yml
index a67f678ae..ff438e37c 100644
--- a/.github/workflows/test-windows.yml
+++ b/.github/workflows/test-windows.yml
@@ -106,7 +106,7 @@ jobs:
         set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
         set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
         set BUILD=%GITHUB_WORKSPACE%\winbuild\build
-        cd /D %BUILD%\jpeg-9c
+        cd /D %BUILD%\jpeg-9d
         call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
         echo on
         nmake -nologo -f makefile.vc setup-vc6
diff --git a/docs/installation.rst b/docs/installation.rst
index 24b888712..575e2937f 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -137,7 +137,7 @@ Many of Pillow's features require external libraries:
 
 * **libjpeg** provides JPEG functionality.
 
-  * Pillow has been tested with libjpeg versions **6b**, **8**, **9-9c** and
+  * Pillow has been tested with libjpeg versions **6b**, **8**, **9-9d** and
     libjpeg-turbo version **8**.
   * Starting with Pillow 3.0.0, libjpeg is required by default, but
     may be disabled with the ``--disable-jpeg`` flag.
diff --git a/winbuild/config.py b/winbuild/config.py
index c6b53eab9..f9b23b4ff 100644
--- a/winbuild/config.py
+++ b/winbuild/config.py
@@ -30,9 +30,9 @@ libs = {
         "dir": "zlib-1.2.11",
     },
     "jpeg": {
-        "url": "http://www.ijg.org/files/jpegsr9c.zip",
-        "filename": "jpegsr9c.zip",
-        "dir": "jpeg-9c",
+        "url": "http://www.ijg.org/files/jpegsr9d.zip",
+        "filename": "jpegsr9d.zip",
+        "dir": "jpeg-9d",
     },
     "tiff": {
         "url": "ftp://download.osgeo.org/libtiff/tiff-4.1.0.tar.gz",