diff --git a/.github/workflows/supported_llvm_versions.yml b/.github/workflows/supported_llvm_versions.yml
index cce737dbba..c0107fe54a 100644
--- a/.github/workflows/supported_llvm_versions.yml
+++ b/.github/workflows/supported_llvm_versions.yml
@@ -128,6 +128,10 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - job_name: Ubuntu 20.04, LLVM 18, latest LDC beta
+            os: 'ubuntu:20.04'
+            host_dc: ldc-beta
+            llvm_version: 18
           - job_name: Ubuntu 20.04, LLVM 15, latest LDC beta
             os: 'ubuntu:20.04'
             host_dc: ldc-beta