diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index fac0b59..0421b55 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -10,4 +10,4 @@ on:
 
 jobs:
   validate:
-    uses: trussworks/shared-actions/.github/workflows/validate.yml@main
+    uses: trussworks/shared-actions/.github/workflows/validate-tf.yml@main
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 3818b55..bfd87bb 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.4.0
+    rev: v4.4.0
     hooks:
       - id: check-json
       - id: check-merge-conflict
@@ -10,14 +10,31 @@ repos:
         args:
           - --autofix
       - id: trailing-whitespace
+      - id: check-symlinks
+      - id: end-of-file-fixer
+      - id: mixed-line-ending
+
+  - repo: https://github.com/executablebooks/mdformat
+    rev: 0.7.16
+    hooks:
+      - id: mdformat
+        additional_dependencies:
+          - mdformat-gfm
+          - mdformat-toc
+        # mdformat fights with terraform_docs
+        exclude: README.m(ark)?d(own)?
 
   - repo: https://github.com/igorshubovych/markdownlint-cli
-    rev: v0.26.0
+    rev: v0.33.0
     hooks:
       - id: markdownlint
 
+  - repo: https://github.com/detailyang/pre-commit-shell
+    rev: 1.0.5
+    hooks:
+      - id: shell-lint
+
   - repo: https://github.com/antonbabenko/pre-commit-terraform
-    rev: v1.75.0
+    rev: v1.77.1
     hooks:
-      - id: terraform_docs
       - id: terraform_fmt
diff --git a/README.md b/README.md
index acfe476..8aecd9e 100644
--- a/README.md
+++ b/README.md
@@ -8,11 +8,6 @@ Creates the following resources:
 * CloudWatch Event to trigger Lambda function on a schedule.
 * AWS Lambda function to actually delete excess manual RDS snapshots.
 
-## Terraform Versions
-
-Terraform 0.13 and later: Pin module version to ~> 3.X. Submit pull requests to master branch.
-
-Terraform 0.12: Pin module version to ~> 2.X. Submit pull requests to terraform012 branch.
 
 ## Usage
 
@@ -33,12 +28,12 @@ module "rds-snapshot-cleaner" {
 }
 ```
 
-<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
+<!-- BEGIN_TF_DOCS -->
 ## Requirements
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.0 |
 
 ## Providers
@@ -87,4 +82,4 @@ No modules.
 ## Outputs
 
 No outputs.
-<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
\ No newline at end of file
+<!-- END_TF_DOCS -->
diff --git a/main.tf b/main.tf
index e75d3e0..23f004e 100644
--- a/main.tf
+++ b/main.tf
@@ -160,4 +160,3 @@ resource "aws_lambda_function" "main" {
     Environment = var.environment
   }
 }
-
diff --git a/versions.tf b/versions.tf
index 9fdbc79..99d5c63 100644
--- a/versions.tf
+++ b/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 0.13.0"
+  required_version = ">= 1.0"
 
   required_providers {
     aws = ">= 3.0"