diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f222c5e..442f143 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -38,7 +38,7 @@ jobs:
   package-ubuntu:
     strategy:
       matrix:
-        os: [ ubuntu-18.04, ubuntu-20.04 ]
+        os: [ ubuntu-20.04 ]
     name: Package - ${{matrix.os}}
     runs-on: ${{matrix.os}}
     steps: