diff --git a/requirements.txt b/requirements.txt
index 564965e..a0f22cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ python-dotenv>=1.2,<2.0
 structlog>=25.5,<26.0
 
 # HTML sanitization for scraped post descriptions (FC-2d provenance)
-nh3>=0.2,<0.3
+nh3>=0.3,<0.4
 
 # Archive extraction (FC-2d-iii filesystem-import aid)
 rarfile>=4.2,<5