diff --git a/src/travis/windows-x86_64-before-install.sh b/src/travis/windows-x86_64-before-install.sh
index 74fa8824..075ef589 100755
--- a/src/travis/windows-x86_64-before-install.sh
+++ b/src/travis/windows-x86_64-before-install.sh
@@ -1,9 +1,9 @@
-powershell Install-WindowsFeature Net-Framework-Core
+until powershell Install-WindowsFeature Net-Framework-Core; do echo "trying again..."; done
 cinst -y python3
 cinst -y openssl.light
 cp -v /c/Program\ Files/OpenSSL/bin/*.dll /c/Python37/DLLs
 export PATH=$PATH:/c/Python37/scripts
-cinst -y wixtoolset
+until cinst -y wixtoolset; do echo "trying again..."; done
 pip install --upgrade pip
 pip freeze > upgrades.txt
 pip install --upgrade -r upgrades.txt