diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4e8d26ad9ca..72bfaf239df 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -294,7 +294,7 @@ jobs:
       - name: Install dependencies (MacOS)
         if: startsWith(matrix.os, 'macos')
         run: |
-          brew install boost openssl rapidjson p7zip create-dmg cmake tree
+          brew install boost@1.85 openssl rapidjson p7zip create-dmg cmake tree
         shell: bash
 
       - name: Build (MacOS)