diff --git a/requirements-lock.txt b/requirements-lock.txt
index 74f5c5a..e97a325 100644
--- a/requirements-lock.txt
+++ b/requirements-lock.txt
@@ -7,7 +7,7 @@ blinker==1.9.0            # via flask
 click==8.4.2              # via flask
 defusedxml==0.7.1         # via fpdf2
 flask==3.1.3              # via -r requirements.txt
-fonttools==4.63.0         # via fpdf2
+fonttools==4.64.0         # via fpdf2
 fpdf2==2.8.8              # via -r requirements.txt
 itsdangerous==2.2.0       # via flask
 jinja2==3.1.6             # via flask