diff --git a/.drone.yml b/.drone.yml
index fd5a058..3493d03 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -47,6 +47,8 @@ steps:
   settings:
     source: https://cmake.org/files/v3.12/cmake-3.12.0-Linux-x86_64.sh
     destination: cmake_installer.sh
+    skip_verify: true
+    sha256: 052b7daa2adab40211c6644da200ef95096d2adbcebd4cc5e60230d9023168bd
 
 - name: GCC 8 / clang 6
   image: ubuntu:bionic
@@ -158,6 +160,8 @@ steps:
   settings:
     source: https://cmake.org/files/v3.12/cmake-3.12.0-Linux-x86_64.sh
     destination: cmake_installer.sh
+    skip_verify: true
+    sha256: 052b7daa2adab40211c6644da200ef95096d2adbcebd4cc5e60230d9023168bd
 
 - name: Ubuntu bionic
   image: ubuntu:bionic