diff --git a/requirements.txt b/requirements.txt
index a4ccf82e..f6425252 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -75,5 +75,5 @@ PyMuPDF>=1.26.0      # For PDF text extraction (fast and reliable)
 # ============================================
 pytest>=7.0.0              # Testing framework
 pre-commit>=3.0.0
-safety<3.0.0               # Pin to stable 2.x version, 3.0.0 is broken
+safety<4.0.0               # Pin to stable 2.x version, 3.0.0 is broken
 bandit>=1.8.0