diff --git a/pyproject.toml b/pyproject.toml
index 91b7090..6a8d982 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ keywords = [
   "portable-app",
 ]
 dependencies = [
-  "customtkinter==5.2.2",
+  "customtkinter==6.0.0",
   "pandas==2.2.3",
   "requests==2.34.1",
   "Pillow==12.2.0",
diff --git a/requirements-build.txt b/requirements-build.txt
index 0f73c53..b560425 100644
--- a/requirements-build.txt
+++ b/requirements-build.txt
@@ -1,4 +1,4 @@
-customtkinter==5.2.2
+customtkinter==6.0.0
 pandas==2.2.3
 requests==2.34.1
 Pillow==12.2.0
diff --git a/requirements-freeze.txt b/requirements-freeze.txt
index 636f0d8..77035a6 100644
--- a/requirements-freeze.txt
+++ b/requirements-freeze.txt
@@ -1,7 +1,7 @@
 altgraph==0.17.5
 certifi==2026.6.17
 charset-normalizer==3.4.7
-customtkinter==5.2.2
+customtkinter==6.0.0
 darkdetect==0.8.0
 defusedxml==0.7.1
 et_xmlfile==2.0.0
diff --git a/requirements.txt b/requirements.txt
index 3524eca..73308ac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-customtkinter==5.2.2
+customtkinter==6.0.0
 pandas==2.2.3
 requests==2.34.1
 Pillow==12.2.0