diff --git a/.gitignore b/.gitignore
index a6ed5be13..b934545b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -67,8 +67,11 @@ codecgen-*.generated.go
 **/structs.generated.go
 GNUMakefile.local
 
+# Terraform state and locking files.
 .terraform
 *.tfstate*
+.terraform.lock.hcl
+
 rkt-*
 
 ./idea
diff --git a/terraform/Vagrantfile b/terraform/Vagrantfile
index 824453ea8..1956af6f4 100644
--- a/terraform/Vagrantfile
+++ b/terraform/Vagrantfile
@@ -10,7 +10,7 @@ Vagrant.configure(2) do |config|
 
     PACKERVERSION=1.1.2
     PACKERDOWNLOAD=https://releases.hashicorp.com/packer/${PACKERVERSION}/packer_${PACKERVERSION}_linux_amd64.zip
-    TERRAFORMVERSION=0.11.0
+    TERRAFORMVERSION=1.0.11
     TERRAFORMDOWNLOAD=https://releases.hashicorp.com/terraform/${TERRAFORMVERSION}/terraform_${TERRAFORMVERSION}_linux_amd64.zip
 
     echo "Dependencies..."