diff --git a/.github/workflows/test-windows.yml b/.github/workflows/test-windows.yml
index e257a9502cd..a67f678ae54 100644
--- a/.github/workflows/test-windows.yml
+++ b/.github/workflows/test-windows.yml
@@ -172,7 +172,7 @@ 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%\libwebp-1.0.3
+        cd /D %BUILD%\libwebp-1.1.0
         call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
         echo on
         rmdir /S /Q output\release-static
diff --git a/depends/install_webp.sh b/depends/install_webp.sh
index 7ccd0930147..9b1882c43d5 100755
--- a/depends/install_webp.sh
+++ b/depends/install_webp.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # install webp
 
-archive=libwebp-1.0.3
+archive=libwebp-1.1.0
 
 ./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/master/$archive.tar.gz
 
diff --git a/winbuild/config.py b/winbuild/config.py
index 1bbc07e3a2d..c6b53eab945 100644
--- a/winbuild/config.py
+++ b/winbuild/config.py
@@ -77,9 +77,9 @@
         "version": "8.6.10",
     },
     "webp": {
-        "url": "http://downloads.webmproject.org/releases/webp/libwebp-1.0.3.tar.gz",
-        "filename": "libwebp-1.0.3.tar.gz",
-        "dir": "libwebp-1.0.3",
+        "url": "http://downloads.webmproject.org/releases/webp/libwebp-1.1.0.tar.gz",
+        "filename": "libwebp-1.1.0.tar.gz",
+        "dir": "libwebp-1.1.0",
     },
     "openjpeg": {
         "url": "https://github.com/uclouvain/openjpeg/archive/v2.3.1.tar.gz",