diff --git a/core/requirements.txt b/core/requirements.txt
index d24fd71..a66b2ce 100644
--- a/core/requirements.txt
+++ b/core/requirements.txt
@@ -10,6 +10,10 @@ langgraph-checkpoint-sqlite>=2.0,<3.0
 # eliminado en aiosqlite 0.21. Fijado a la última serie compatible.
 aiosqlite>=0.20,<0.21
 guardrails-ai>=0.5,<0.6
+# typer 0.12.x (pin transitivo de guardrails-ai <0.6) rompe con click >= 8.2
+# ("Secondary flag is not valid for non-boolean flag" al ejecutar `spacy download`
+# y la CLI de typer/weasel). Fijado a la última serie 8.1.
+click>=8.1,<8.2
 presidio-analyzer>=2.2,<3.0
 presidio-anonymizer>=2.2,<3.0
 openai>=1.50,<2.0