diff --git a/pyproject.toml b/pyproject.toml
index 460644463a..0ce4882529 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -161,12 +161,12 @@ extensions = [
   "llama-index-embeddings-google-genai>=0.3.0", # For files retrieval using LlamaIndex.
   "lxml>=5.3.0",                                # For load_web_page tool.
   "pypika>=0.50.0",                             # For crewai->chromadb dependency
-  "toolbox-adk>=0.5.7, <0.6.0",                 # For tools.toolbox_toolset.ToolboxToolset
+  "toolbox-adk>=0.5.7, <0.7.0",                 # For tools.toolbox_toolset.ToolboxToolset
 ]
 
 otel-gcp = ["opentelemetry-instrumentation-google-genai>=0.6b0, <1.0.0"]
 
-toolbox = ["toolbox-adk>=0.5.7, <0.6.0"]
+toolbox = ["toolbox-adk>=0.5.7, <0.7.0"]
 
 [tool.pyink]
 # Format py files following Google style-guide