diff --git a/packages/toolbox-adk/pyproject.toml b/packages/toolbox-adk/pyproject.toml
index f5bf43372..b5f3387c3 100644
--- a/packages/toolbox-adk/pyproject.toml
+++ b/packages/toolbox-adk/pyproject.toml
@@ -34,7 +34,7 @@ Changelog = "https://github.com/googleapis/mcp-toolbox-sdk-python/blob/main/pack
 
 [project.optional-dependencies]
 test = [
-    "black[jupyter]==26.5.0",
+    "black[jupyter]==26.5.1",
     "isort==8.0.1",
     "mypy==2.1.0",
     "pytest==9.0.3",
diff --git a/packages/toolbox-adk/requirements.txt b/packages/toolbox-adk/requirements.txt
index 4c51954a1..8f36819e6 100644
--- a/packages/toolbox-adk/requirements.txt
+++ b/packages/toolbox-adk/requirements.txt
@@ -1,9 +1,9 @@
 -e ../toolbox-core
-google-adk==1.33.0
+google-adk==1.34.1
 google-auth==2.53.0
 google-auth-oauthlib==1.4.0
 typing-extensions==4.15.0
-opentelemetry-exporter-otlp-proto-http==1.41.1
+opentelemetry-exporter-otlp-proto-http==1.42.1
 opentelemetry-exporter-gcp-trace==1.12.0
 opentelemetry-exporter-gcp-monitoring==1.9.0a0
-opentelemetry-sdk==1.41.1
+opentelemetry-sdk==1.42.1
diff --git a/packages/toolbox-core/pyproject.toml b/packages/toolbox-core/pyproject.toml
index 57044c05c..4a0257cf7 100644
--- a/packages/toolbox-core/pyproject.toml
+++ b/packages/toolbox-core/pyproject.toml
@@ -45,11 +45,11 @@ Changelog = "https://github.com/googleapis/mcp-toolbox-sdk-python/blob/main/pack
 [project.optional-dependencies]
 telemetry = [
     "opentelemetry-api>=1.20.0,<2.0.0",
-    "opentelemetry-sdk>=1.41.1,<1.42.0",
-    "opentelemetry-exporter-otlp>=1.41.1,<1.42.0"
+    "opentelemetry-sdk>=1.42.1,<1.43.0",
+    "opentelemetry-exporter-otlp>=1.42.1,<1.43.0"
 ]
 test = [
-    "black[jupyter]==26.5.0",
+    "black[jupyter]==26.5.1",
     "isort==8.0.1",
     "mypy==2.1.0",
     "pytest==9.0.3",
diff --git a/packages/toolbox-langchain/pyproject.toml b/packages/toolbox-langchain/pyproject.toml
index ad6ed0233..7e7b6536e 100644
--- a/packages/toolbox-langchain/pyproject.toml
+++ b/packages/toolbox-langchain/pyproject.toml
@@ -44,7 +44,7 @@ Changelog = "https://github.com/googleapis/mcp-toolbox-sdk-python/blob/main/pack
 
 [project.optional-dependencies]
 test = [
-    "black[jupyter]==26.5.0",
+    "black[jupyter]==26.5.1",
     "isort==8.0.1",
     "mypy==2.1.0",
     "pytest-asyncio==1.3.0",
diff --git a/packages/toolbox-llamaindex/pyproject.toml b/packages/toolbox-llamaindex/pyproject.toml
index 8a7ad36be..c9f193d8c 100644
--- a/packages/toolbox-llamaindex/pyproject.toml
+++ b/packages/toolbox-llamaindex/pyproject.toml
@@ -44,7 +44,7 @@ Changelog = "https://github.com/googleapis/mcp-toolbox-sdk-python/blob/main/pack
 
 [project.optional-dependencies]
 test = [
-    "black[jupyter]==26.5.0",
+    "black[jupyter]==26.5.1",
     "isort==8.0.1",
     "mypy==2.1.0",
     "pytest-asyncio==1.3.0",