diff --git a/requirements-lock.txt b/requirements-lock.txt
index 7838350..f706f99 100644
--- a/requirements-lock.txt
+++ b/requirements-lock.txt
@@ -2,13 +2,13 @@
 # last regenerated on Windows 11 / CPython 3.13 on 2026-07-10. Regenerated 2026-07-29:
 # requests pinned to 2.33.0. Install with:
 #   pip install -r requirements-lock.txt
-pandas==2.3.3
-numpy==2.4.1
-scipy==1.17.1
+pandas==3.0.5
+numpy==2.4.6
+scipy==1.18.0
 statsmodels==0.14.6
-requests==2.33.0
+requests==2.34.2
 httpx==0.28.1
 openpyxl==3.1.5
 python-dotenv==1.2.2
-anthropic==0.84.0
+anthropic==0.120.2
 python-docx==1.2.0
diff --git a/requirements.txt b/requirements.txt
index 7eaef8a..6b3c348 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,14 +5,14 @@
 # External (non-Python) dependency: the QAP scan (scripts/qap_accessibility_2025_2026_scan.py)
 # shells out to `pdftotext` (poppler-utils); it is needed only to re-run that scan, not for any
 # core analysis.
-pandas>=2.0
-numpy>=1.24
-scipy>=1.10
+pandas>=3.0.5
+numpy>=2.4.6
+scipy>=1.18.0
 statsmodels>=0.14
-requests>=2.33.0
+requests>=2.34.2
 httpx>=0.24
 openpyxl>=3.1
 python-dotenv>=1.0
 # Used only by specific optional lanes (not by the core deterministic analyses):
-anthropic>=0.40        # scripts/supplemental_batch.py (model reruns; API key + cost)
+anthropic>=0.120.2        # scripts/supplemental_batch.py (model reruns; API key + cost)
 python-docx>=1.1       # action/ DOCX template generators