diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index bfc3d07..5a0073a 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -4,8 +4,7 @@ jobs:
   build:
     strategy:
       matrix:
-        ## self-tests fail on Ubuntu
-        os: [windows-2022, macos-11] ##, ubuntu-22.04]
+        os: [windows-2022, macos-11, ubuntu-22.04]
         addrsize: ["64"]
         include:
           - os: windows-2022