diff --git a/pyproject.toml b/pyproject.toml
index 754fcf3f955..97fef4fd24e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -217,4 +217,10 @@ filterwarnings = [
     # Tracking issue: https://github.com/huggingface/trl/issues/6447
     # Upstream fix (merged, unreleased as of bitsandbytes 0.49.2): https://github.com/bitsandbytes-foundation/bitsandbytes/pull/1940
     "ignore:_check_is_size will be removed in a future PyTorch release:FutureWarning",
+
+    # triton builds an ast.AnnAssign node without the required `simple` field during kernel compilation (upstream,
+    # not actionable in TRL); a DeprecationWarning on Python 3.14 that becomes an error on 3.15
+    # Tracking issue: https://github.com/huggingface/trl/issues/6466
+    # Upstream issue: https://github.com/triton-lang/triton/issues/10981
+    "ignore:AnnAssign.__init__ missing 1 required positional argument:DeprecationWarning",
 ]