diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3138b6a..f957eab 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -88,6 +88,9 @@ jobs:
           Invoke-WebRequest https://xiv.zone/distrib/dependencies/icoutils.zip -OutFile icoutils.zip
           unzip icoutils.zip -d ${{ steps.strings.outputs.prefix-dir }}
 
+          Invoke-WebRequest https://xiv.zone/distrib/dependencies/libwinpthread.zip -OutFile libwinpthread.zip
+          unzip libwinpthread.zip -d ${{ steps.strings.outputs.prefix-dir }}
+
       - name: Build zlib
         if: (runner.os == 'Windows') && (steps.cache-prefix-restore.outputs.cache-hit != 'true')
         run: |
diff --git a/scripts/windows-setup.ps1 b/scripts/windows-setup.ps1
index 4b9147f..45784c8 100644
--- a/scripts/windows-setup.ps1
+++ b/scripts/windows-setup.ps1
@@ -57,6 +57,9 @@ Expand-Archive -Path "$LocalDir/gcrypt.zip" -DestinationPath $PrefixDir -Force
 Invoke-WebRequest https://xiv.zone/distrib/dependencies/gpg-error.zip -OutFile "$LocalDir/gpg-error.zip"
 Expand-Archive -Path "$LocalDir/gpg-error.zip" -DestinationPath $PrefixDir -Force
 
+Invoke-WebRequest https://xiv.zone/distrib/dependencies/libwinpthread.zip -OutFile "$LocalDir/libwinpthread.zip"
+Expand-Archive -Path "$LocalDir/libwinpthread.zip" -DestinationPath $PrefixDir -Force
+
 # Build zlib
 Clone "zlib" "https://github.com/madler/zlib.git"
 Configure "zlib" "-DBUILD_TESTING=OFF"