diff --git a/apps/api/pyproject.toml b/apps/api/pyproject.toml
index 42dfff3..62445f7 100644
--- a/apps/api/pyproject.toml
+++ b/apps/api/pyproject.toml
@@ -78,7 +78,7 @@ dependencies = [
     "cachetools>=5.5.0",
     "sgp4>=2.22",
     # NER Tier 2 — domain models (Phase 5)
-    "transformers>=4.46.0",
+    "transformers>=5.5.4",
     "torch>=2.5.0",
     "gliner>=0.2.0",
 ]