diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 59d3eab10..a916e8d81 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,7 +54,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04, macos-15]
+        os: [macos-15]
     runs-on: ${{ matrix.os }}
     timeout-minutes: 90
 
@@ -139,7 +139,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04, macos-15]
+        os: [macos-15]
     runs-on: ${{ matrix.os }}
     timeout-minutes: 90