diff --git a/backend/requirements-dev.txt b/backend/requirements-dev.txt
index 6ecef89..ee49925 100644
--- a/backend/requirements-dev.txt
+++ b/backend/requirements-dev.txt
@@ -1,4 +1,4 @@
-ruff==0.16.2
+ruff==0.16.3
 pytest==9.1.1
 pytest-cov==7.1.0
 # mypy==1.15.0
diff --git a/backend/requirements-scraper.txt b/backend/requirements-scraper.txt
index f0e82d3..e59665c 100644
--- a/backend/requirements-scraper.txt
+++ b/backend/requirements-scraper.txt
@@ -6,4 +6,4 @@
 # PDF/DOCX/PPTX text extraction is skipped.
 -r requirements.txt
 
-docling==2.118.1
+docling==2.120.1
diff --git a/backend/requirements.txt b/backend/requirements.txt
index 2df155d..bc50e10 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,6 +1,6 @@
 certifi==2026.7.22
 cffi==2.1.1
-charset-normalizer==3.4.9
+charset-normalizer==3.5.1
 click==8.4.2
 cryptography==50.0.0
 Flask==3.1.3