diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c4b0841..7f4967b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,19 +28,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os:
-          - ubuntu-latest
-          - ubuntu-20.04
-          - macos-11
-          - macos-12
+        os: [ubuntu-latest, macos-11, macos-12]
         scala: [3, 2.13, 2.12]
         java: [temurin@8]
         project: [rootJS, rootJVM, rootNative]
         exclude:
-          - project: rootJS
-            os: ubuntu-20.04
-          - project: rootJVM
-            os: ubuntu-20.04
           - project: rootJS
             os: macos-11
           - project: rootJVM
diff --git a/workflows.sbt b/workflows.sbt
index 6a332dd..1468d90 100644
--- a/workflows.sbt
+++ b/workflows.sbt
@@ -3,7 +3,6 @@ ThisBuild / githubWorkflowBuildMatrixFailFast := Some(false)
 ThisBuild / tlSiteJavaVersion := JavaSpec.temurin("17")
 ThisBuild / githubWorkflowOSes := Seq(
   "ubuntu-latest",
-  "ubuntu-20.04",
   // "windows-2022", // disable for now, there is some linking problem
   "macos-11",
   "macos-12"