diff --git a/.github/workflows/step-windows.yml b/.github/workflows/step-windows.yml
index 96ab979..586cd12 100644
--- a/.github/workflows/step-windows.yml
+++ b/.github/workflows/step-windows.yml
@@ -11,7 +11,7 @@ jobs:
         run: |
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
           cd %TEMP%
-          git clone --branch v0.7.4 https://github.com/pgvector/pgvector.git
+          git clone --branch v0.8.0 https://github.com/pgvector/pgvector.git
           cd pgvector
           nmake /NOLOGO /F Makefile.win
           nmake /NOLOGO /F Makefile.win install
diff --git a/README.md b/README.md
index c5446f5..5d8a911 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ See a [full example](https://github.com/pgvector/setup-pgvector/blob/master/.git
         run: |
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
           cd %TEMP%
-          git clone --branch v0.7.4 https://github.com/pgvector/pgvector.git
+          git clone --branch v0.8.0 https://github.com/pgvector/pgvector.git
           cd pgvector
           nmake /NOLOGO /F Makefile.win
           nmake /NOLOGO /F Makefile.win install