diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f862a1b5..deb59fbe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -186,7 +186,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        toolset: [ clang, gcc-11 ]
+        toolset: [ clang ]
     steps:
       - uses: actions/checkout@v2
         with: