diff --git a/README.md b/README.md
index 69d564acb1..117c0f02ea 100644
--- a/README.md
+++ b/README.md
@@ -423,7 +423,7 @@ kubectl-1.19 \[frozen\] | 1.19.16    | Production-Grade Container Scheduling and
 [![pgmetrics](https://github.com/cloudposse/packages/actions/workflows/pgmetrics.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Apgmetrics) | 1.16.0     | Postgres metrics
 [![pluto](https://github.com/cloudposse/packages/actions/workflows/pluto.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Apluto) | 5.19.0     | A cli tool to help discover deprecated apiVersions in Kubernetes
 [![popeye](https://github.com/cloudposse/packages/actions/workflows/popeye.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Apopeye) | 0.21.1     | A Kubernetes cluster resource sanitizer
-[![promtool](https://github.com/cloudposse/packages/actions/workflows/promtool.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Apromtool) | 2.50.1     | Prometheus CLI tool
+[![promtool](https://github.com/cloudposse/packages/actions/workflows/promtool.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Apromtool) | 2.51.0     | Prometheus CLI tool
 [![rainbow-text](https://github.com/cloudposse/packages/actions/workflows/rainbow-text.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Arainbow-text) | 1.2.1      | Tasty rainbows for your terminal! (lolcat clone)
 [![rakkess](https://github.com/cloudposse/packages/actions/workflows/rakkess.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Arakkess)* | 0.5.0      | Review Access - kubectl plugin to show an access matrix for all available resources
 [![rancher](https://github.com/cloudposse/packages/actions/workflows/rancher.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Arancher) | 2.8.3      | Rancher CLI
diff --git a/docs/badges.md b/docs/badges.md
index c7266488bb..24393cb39a 100644
--- a/docs/badges.md
+++ b/docs/badges.md
@@ -96,7 +96,7 @@ kubectl-1.19 \[frozen\] | 1.19.16    | Production-Grade Container Scheduling and
 [![pgmetrics](https://github.com/cloudposse/packages/actions/workflows/pgmetrics.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Apgmetrics) | 1.16.0     | Postgres metrics
 [![pluto](https://github.com/cloudposse/packages/actions/workflows/pluto.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Apluto) | 5.19.0     | A cli tool to help discover deprecated apiVersions in Kubernetes
 [![popeye](https://github.com/cloudposse/packages/actions/workflows/popeye.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Apopeye) | 0.21.1     | A Kubernetes cluster resource sanitizer
-[![promtool](https://github.com/cloudposse/packages/actions/workflows/promtool.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Apromtool) | 2.50.1     | Prometheus CLI tool
+[![promtool](https://github.com/cloudposse/packages/actions/workflows/promtool.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Apromtool) | 2.51.0     | Prometheus CLI tool
 [![rainbow-text](https://github.com/cloudposse/packages/actions/workflows/rainbow-text.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Arainbow-text) | 1.2.1      | Tasty rainbows for your terminal! (lolcat clone)
 [![rakkess](https://github.com/cloudposse/packages/actions/workflows/rakkess.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Arakkess)* | 0.5.0      | Review Access - kubectl plugin to show an access matrix for all available resources
 [![rancher](https://github.com/cloudposse/packages/actions/workflows/rancher.yml/badge.svg?branch=master)](https://github.com/cloudposse/packages/actions?query=workflow%3Arancher) | 2.8.3      | Rancher CLI
diff --git a/docs/targets.md b/docs/targets.md
index 289735fe98..8c58ccb980 100644
--- a/docs/targets.md
+++ b/docs/targets.md
@@ -107,7 +107,7 @@ pandoc                    3.1.12.3   Universal markup converter
 pgmetrics                 1.16.0     Postgres metrics
 pluto                     5.19.0     A cli tool to help discover deprecated apiVersions in Kubernetes
 popeye                    0.21.1     A Kubernetes cluster resource sanitizer
-promtool                  2.50.1     Prometheus CLI tool
+promtool                  2.51.0     Prometheus CLI tool
 rainbow-text              1.2.1      Tasty rainbows for your terminal! (lolcat clone)
 rakkess*                  0.5.0      Review Access - kubectl plugin to show an access matrix for all available resources
 rancher                   2.8.3      Rancher CLI
diff --git a/vendor/promtool/VERSION b/vendor/promtool/VERSION
index 895eb8a3b2..d66b738716 100644
--- a/vendor/promtool/VERSION
+++ b/vendor/promtool/VERSION
@@ -1 +1 @@
-2.50.1
+2.51.0