diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2e20cde30..bcc078e52 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -93,7 +93,7 @@ jobs:
           - desc: oldest everything gcc9/C++17 llvm9 py3.7 oiio2.3 no-simd
             nametag: linux-oldest
             runner: ubuntu-latest
-            container: aswftesting/ci-osl:2021-clang11
+            container: aswf/ci-osl:2021
             vfxyear: 2021
             old_node: 1
             cxx_std: 17