diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0c80ae51..a7f640ad 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -30,7 +30,8 @@ jobs:
           zlib1g-dev \
           libsqlite3-dev \
           libssh2-1-dev \
-          libcppunit-dev
+          libcppunit-dev \
+          rst2html
     - name: MacOS setup
       if: runner.os == 'macOS'
       run: |