diff --git a/requirements/mandatory.txt b/requirements/mandatory.txt
index 2d3536a3..e736f543 100644
--- a/requirements/mandatory.txt
+++ b/requirements/mandatory.txt
@@ -5,6 +5,6 @@ typing_extensions>=4,<5; python_version < "3.11"
 tkinter-async-execute>=1.2,<1.5
 asyncio-event-hub>=1.0,<1.2
 tkclasswiz>=1.4,<1.5
-ttkbootstrap==1.10.1
+ttkbootstrap==1.16.0
 audioop-lts~=0.2.1; python_version>='3.13'
 pillow>=10.4.0,<11.4.0