diff --git a/.appveyor.yml b/.appveyor.yml
index 2bf14c4d..84bb8ce7 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -48,6 +48,10 @@ init:
 #- if "%APPVEYOR_BUILD_WORKER_IMAGE%" == "Visual Studio 2013" (call "C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" amd64)
 # call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars64.bat"
 
+install:
+  - appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
+  - rustup-init.exe -y --default-toolchain stable --profile minimal
+
 build_script:
   - git submodule update --init
   #- if "%MINGW%"=="1" call build-msys2.bat
diff --git a/.cirrus.yml b/.cirrus.yml
index d26e5c9c..cc3ec647 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -6,8 +6,11 @@ freebsd_instance:
 
 task:
   install_script:
-    - pkg install -y cmake git
+    - pkg install -y cmake git wget
     - git submodule update --init
+    - >
+      wget -q --https-only -O- https://sh.rustup.rs |
+      sh -s -- -y --default-toolchain stable --profile minimal
   build_script:
     - cmake .
     - make VERBOSE=1