diff --git a/packages/toolbox-adk/integration.cloudbuild.yaml b/packages/toolbox-adk/integration.cloudbuild.yaml
index 7e38ca84a..b1dda3f5a 100644
--- a/packages/toolbox-adk/integration.cloudbuild.yaml
+++ b/packages/toolbox-adk/integration.cloudbuild.yaml
@@ -50,5 +50,5 @@ options:
 substitutions:
   _VERSION: '3.13'
   # Default values (can be overridden by triggers)
-  _TOOLBOX_VERSION: '1.10.0'
+  _TOOLBOX_VERSION: '1.12.0'
   _TOOLBOX_MANIFEST_VERSION: '38'
diff --git a/packages/toolbox-core/integration.cloudbuild.yaml b/packages/toolbox-core/integration.cloudbuild.yaml
index ca3cc3e91..259d46bab 100644
--- a/packages/toolbox-core/integration.cloudbuild.yaml
+++ b/packages/toolbox-core/integration.cloudbuild.yaml
@@ -45,5 +45,5 @@ options:
   logging: CLOUD_LOGGING_ONLY
 substitutions:
   _VERSION: '3.13'
-  _TOOLBOX_VERSION: '1.10.0'
+  _TOOLBOX_VERSION: '1.12.0'
   _TOOLBOX_MANIFEST_VERSION: '38'
diff --git a/packages/toolbox-langchain/integration.cloudbuild.yaml b/packages/toolbox-langchain/integration.cloudbuild.yaml
index 19f274b50..48d2b0adb 100644
--- a/packages/toolbox-langchain/integration.cloudbuild.yaml
+++ b/packages/toolbox-langchain/integration.cloudbuild.yaml
@@ -49,5 +49,5 @@ options:
   logging: CLOUD_LOGGING_ONLY
 substitutions:
   _VERSION: '3.13'
-  _TOOLBOX_VERSION: '1.10.0'
+  _TOOLBOX_VERSION: '1.12.0'
   _TOOLBOX_MANIFEST_VERSION: '38'
diff --git a/packages/toolbox-llamaindex/integration.cloudbuild.yaml b/packages/toolbox-llamaindex/integration.cloudbuild.yaml
index 5a56b25c2..d815209f2 100644
--- a/packages/toolbox-llamaindex/integration.cloudbuild.yaml
+++ b/packages/toolbox-llamaindex/integration.cloudbuild.yaml
@@ -49,5 +49,5 @@ options:
   logging: CLOUD_LOGGING_ONLY
 substitutions:
   _VERSION: '3.13'
-  _TOOLBOX_VERSION: '1.10.0'
+  _TOOLBOX_VERSION: '1.12.0'
   _TOOLBOX_MANIFEST_VERSION: '38'