diff --git a/requirements.txt b/requirements.txt
index f8d1818..0d2fa86 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Click==8.1.3
 htmlmin==0.1.12
 jsmin==3.0.1
-Jinja2==3.1.2
+Jinja2==3.1.4
 livereload==2.6.3
 Markdown==3.3.7
 MarkupSafe==2.1.1
@@ -9,6 +9,9 @@ mkdocs==1.4.2
 mkdocs-minify-plugin==0.6.2
 mkdocs-material==9.0.3
 pep562==1.1
-Pygments==2.14.0
+Pygments==2.15.0
 six==1.16.0
-tornado==6.2
+tornado==6.4.1
+requests>=2.32.2 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability