diff --git a/.tool-versions b/.tool-versions
index 6995b42..5ccd241 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,4 +1,4 @@
-terraform      1.4.5
+terraform      1.9.0
 golang         1.20.3
 ripgrep        13.0.0
 tflint         0.46.0