diff --git a/appveyor.yml b/appveyor.yml
index bac00ba..1bd4804 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -15,7 +15,8 @@ install:
   - ps: pwd
 
   # Install Rust and Cargo
-  - curl -sSf -o rustup-init.exe https://win.rustup.rs
+  - ps: '[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12'
+  - ps: Start-FileDownload https://win.rustup.rs -FileName rustup-init.exe
   - rustup-init.exe --default-host %TARGET% --default-toolchain %CHANNEL% -y
   - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
   - rustc -Vv