diff --git a/buildtools/msys2installdeps.sh b/buildtools/msys2installdeps.sh
index 2fa607871e4626364cbd94bcc388dfb3fd690af5..8c4904db303a00575595a89fe75050f68e3a8856 100644
--- a/buildtools/msys2installdeps.sh
+++ b/buildtools/msys2installdeps.sh
@@ -148,9 +148,9 @@ done
 # compile graphicsmagick for current arch as MSYS2 packaged one is buggy
 (
   cd /tmp
-  wget https://downloads.sourceforge.net/project/graphicsmagick/graphicsmagick/1.3.43/GraphicsMagick-1.3.43.tar.xz
-  tar xJf GraphicsMagick-1.3.43.tar.xz
-  cd GraphicsMagick-1.3.43
+  wget https://downloads.sourceforge.net/project/graphicsmagick/graphicsmagick/1.3.45/GraphicsMagick-1.3.45.tar.xz
+  tar xJf GraphicsMagick-1.3.45.tar.xz
+  cd GraphicsMagick-1.3.45
   ./configure --enable-shared && make && make install
 )
 
diff --git a/buildtools/windows-deps-install-wix4.ps1 b/buildtools/windows-deps-install-wix4.ps1
index bdc0d2e5c3a49c266da305cb8957627e29913563..95223bed741ef97bd6f54af4e274facdfdd3e19b 100644
--- a/buildtools/windows-deps-install-wix4.ps1
+++ b/buildtools/windows-deps-install-wix4.ps1
@@ -20,5 +20,9 @@ if (-not $MSYS) {
 # install WiX in a path where MSYS finds it
 $WIXPATH = $MSYS + "\usr\local\bin\"
 $Env:DOTNET_CLI_TELEMETRY_OPTOUT = "1"
+if (-not (Test-Path $WIXPATH)) {
+	New-Item -ItemType Directory -Path $WIXPATH -Force | Out-Null
+}
+dotnet nuget add source https://api.nuget.org/v3/index.json -n nuget.org
 dotnet tool install wix --version 4.0.4 --tool-path $WIXPATH
 & "$WIXPATH\wix" extension add --global WixToolset.UI.wixext/4.0.4