diff --git a/.github/workflows/linux-builds.yml b/.github/workflows/linux-builds.yml
index c06e0be..0fed3c6 100644
--- a/.github/workflows/linux-builds.yml
+++ b/.github/workflows/linux-builds.yml
@@ -6,7 +6,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-20.04, ubuntu-18.04]
+        os: [ubuntu-20.04]
 
     runs-on: ${{ matrix.os }}