diff --git a/Makefile b/Makefile
index 2c12822..3a36ec4 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@
 # Make will use bash instead of sh
 SHELL := /usr/bin/env bash
 
-DOCKER_TAG_VERSION_DEVELOPER_TOOLS := 1.13
+DOCKER_TAG_VERSION_DEVELOPER_TOOLS := 1.15
 DOCKER_IMAGE_DEVELOPER_TOOLS := cft/developer-tools
 REGISTRY_URL := gcr.io/cloud-foundation-cicd
 
diff --git a/build/int.cloudbuild.yaml b/build/int.cloudbuild.yaml
index 6eecf01..f9d87d5 100644
--- a/build/int.cloudbuild.yaml
+++ b/build/int.cloudbuild.yaml
@@ -38,4 +38,4 @@ tags:
 - 'integration'
 substitutions:
   _DOCKER_IMAGE_DEVELOPER_TOOLS: 'cft/developer-tools'
-  _DOCKER_TAG_VERSION_DEVELOPER_TOOLS: '1.13'
+  _DOCKER_TAG_VERSION_DEVELOPER_TOOLS: '1.15'
diff --git a/build/lint.cloudbuild.yaml b/build/lint.cloudbuild.yaml
index b6fcad7..a6e2b3f 100644
--- a/build/lint.cloudbuild.yaml
+++ b/build/lint.cloudbuild.yaml
@@ -21,4 +21,4 @@ tags:
 - 'lint'
 substitutions:
   _DOCKER_IMAGE_DEVELOPER_TOOLS: 'cft/developer-tools'
-  _DOCKER_TAG_VERSION_DEVELOPER_TOOLS: '1.13'
+  _DOCKER_TAG_VERSION_DEVELOPER_TOOLS: '1.15'