diff --git a/.github/workflows/build-ubuntu.yml b/.github/workflows/build-ubuntu.yml
index 4196207..0174596 100644
--- a/.github/workflows/build-ubuntu.yml
+++ b/.github/workflows/build-ubuntu.yml
@@ -210,6 +210,9 @@ jobs:
       fail-fast: false
       max-parallel: 8
       matrix:
+        exclude:
+          - TAG: 18.04
+            TYPE: custom
         TAG:
           - latest
           - 22.04