diff --git a/Dockerfile b/Dockerfile
index 48e922f..67c13b2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 FROM ubuntu:20.04
-ARG TERRAFORM_VERSION=1.5.0
+ARG TERRAFORM_VERSION=1.7.3
 ARG TERRAGRUNT_VERSION=0.57.0
 ARG VAULT_VERSION=1.17.6
 ARG YTT_VERSION=0.48.0