diff --git a/.github/workflows/continous-integration-os.yml b/.github/workflows/continous-integration-os.yml
index e8c0cc32..cc275fdd 100644
--- a/.github/workflows/continous-integration-os.yml
+++ b/.github/workflows/continous-integration-os.yml
@@ -66,6 +66,9 @@ jobs:
         os: [ubuntu-latest, macos-latest]
         rust: [stable, beta]
         exclude:
+        # TODO: re-enable beta Rust tests on ubuntu (#4929)
+          - os: ubuntu-latest
+            rust: beta
         # We're excluding macOS for the following reasons:
         # - the concurrent macOS runner limit is much lower than the Linux limit
         # - macOS is slower than Linux, and shouldn't have a build or test difference with Linux