diff --git a/requirements.txt b/requirements.txt
index 978f933b..b6af3eb3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,11 +2,11 @@
 # NOTE: mkdocs removed - project uses docsify (see package.json devDependencies and index.html)
 
 # Infrastructure as Code Processing
-python-hcl2~=7.3.1               # HCL2 (Terraform) configuration parser
+python-hcl2~=8.1.2               # HCL2 (Terraform) configuration parser
 jinja2~=3.1.6                    # Template engine for configuration generation
 
 # Security and Compliance Scanning
-checkov~=3.2.517                   # Infrastructure security and compliance scanner
+checkov~=3.2.521                   # Infrastructure security and compliance scanner
 
 # Security-Critical Dependencies (Version Pinned for CVE Remediation)
 asteval>=1.0.6                   # Safe mathematical expression evaluator