diff --git a/ci/scripts/install_vcpkg.sh b/ci/scripts/install_vcpkg.sh
index db7061f2570c9..9d28c69068bb0 100755
--- a/ci/scripts/install_vcpkg.sh
+++ b/ci/scripts/install_vcpkg.sh
@@ -54,6 +54,10 @@ if [ -f "${vcpkg_ports_patch}" ]; then
 fi
 
 if [ -n "${GITHUB_TOKEN:-}" ] && [ -n "${GITHUB_ACTOR:-}" ]; then
+  if type dnf 2>/dev/null; then
+    dnf install -y epel-release
+    dnf install -y mono-complete
+  fi
   nuget_url="https://nuget.pkg.github.com/${GITHUB_ACTOR}/index.json"
   cat <<NUGET_CONFIG > "${VCPKG_ROOT}/nuget.config"
 <?xml version="1.0" encoding="utf-8"?>