diff --git a/.circleci/config.yml b/.circleci/config.yml
index f2633c5..ee78da6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -4,7 +4,7 @@ jobs:
     - auth:
         password: $DOCKER_PASSWORD
         username: $DOCKER_USERNAME
-      image: trussworks/circleci:6986bb9022e5a83599feb66a7128a2d0fa12732a
+      image: trussworks/circleci:efb1042e31538677779971798e0912390f699e72
     steps:
     - checkout
     - restore_cache:
@@ -17,8 +17,6 @@ jobs:
         key: pre-commit-dot-cache-{{ checksum ".pre-commit-config.yaml" }}
         paths:
         - ~/.cache/pre-commit
-references:
-  circleci: trussworks/circleci:6986bb9022e5a83599feb66a7128a2d0fa12732a
 version: 2.1
 workflows:
   validate:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 9f680c9..b041a70 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: git://github.com/pre-commit/pre-commit-hooks
-    rev: v3.2.0
+    rev: v3.4.0
     hooks:
       - id: check-json
       - id: check-merge-conflict
@@ -12,17 +12,17 @@ repos:
       - id: trailing-whitespace
 
   - repo: git://github.com/igorshubovych/markdownlint-cli
-    rev: v0.23.2
+    rev: v0.26.0
     hooks:
       - id: markdownlint
 
   - repo: git://github.com/antonbabenko/pre-commit-terraform
-    rev: v1.37.0
+    rev: v1.45.0
     hooks:
       - id: terraform_docs
       - id: terraform_fmt
 
   - repo: git://github.com/golangci/golangci-lint
-    rev: v1.31.0
+    rev: v1.33.0
     hooks:
       - id: golangci-lint
diff --git a/README.md b/README.md
index 90372bc..cd5cdd2 100644
--- a/README.md
+++ b/README.md
@@ -24,14 +24,14 @@ module "aws_mfa" {
 
 | Name | Version |
 |------|---------|
-| terraform | ~> 0.13.0 |
-| aws | ~> 3 |
+| terraform | => 0.13.0 |
+| aws | => 3 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| aws | ~> 3 |
+| aws | => 3 |
 
 ## Inputs
 
diff --git a/versions.tf b/versions.tf
index 0222592..16a3abe 100644
--- a/versions.tf
+++ b/versions.tf
@@ -1,10 +1,10 @@
 terraform {
-  required_version = "~> 0.13.0"
+  required_version = "=> 0.13.0"
 
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = "~> 3"
+      version = "=> 3"
     }
   }
 }