diff --git a/CI/MacOS/mac-build.yml b/CI/MacOS/mac-build.yml
index 92eecebfc..2523f6562 100644
--- a/CI/MacOS/mac-build.yml
+++ b/CI/MacOS/mac-build.yml
@@ -26,6 +26,11 @@ steps:
       script: 'brew upgrade'
     displayName: 'Upgrading Homebrew'
 
+  - task: CmdLine@2
+    inputs:
+      script: 'brew install openssl'
+    displayName: 'Installing OpenSSL'
+
   - task: CmdLine@2
     inputs:
       script: 'brew install qt'