diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ee365686..98d92894 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,3 +39,19 @@ jobs:
           ./autogen.sh
           ./configure
           make
+
+  ubuntu2004:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install packages
+        run: |
+          apt update
+          apt install make automake libtool pkg-config g++ libssl-dev libgsoap-dev gsoap libexpat-dev
+
+      - name: Build
+        run: |
+          ./autogen.sh
+          ./configure
+          make