diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a99708a1..709c12fe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,6 +8,13 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - BUILD_TYPE: Debug
+            WITH_BFD: yes
+            PYTHON_VERSION: '3.11'
+            TEST_SYMPY: yes
+            OS: ubuntu-20.04
+            CC: gcc
+
           - BUILD_TYPE: Debug
             WITH_BFD: yes
             PYTHON_VERSION: '3.10'