diff --git a/.drone.yml b/.drone.yml
index 9fdae5a0a..ebb8615c8 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -8,7 +8,7 @@ steps:
 - name: build
   image: gcc
   commands:
-  - git clone https://github.com/Kitware/CMake.git
+  - git -c http.sslVerify=false clone https://github.com/Kitware/CMake.git
   - cd CMake
   - ./configure
   - make cmake ctest -j10