diff --git a/packages/toolbox-core/pyproject.toml b/packages/toolbox-core/pyproject.toml
index 19de1fc6..7dd44a22 100644
--- a/packages/toolbox-core/pyproject.toml
+++ b/packages/toolbox-core/pyproject.toml
@@ -46,7 +46,7 @@ test = [
     "mypy==1.16.0",
     "pytest==8.3.5",
     "pytest-aioresponses==0.3.0",
-    "pytest-asyncio==0.26.0",
+    "pytest-asyncio==1.0.0",
     "pytest-cov==6.1.1",
     "pytest-mock==3.14.1",
     "google-cloud-secret-manager==2.23.3",
diff --git a/packages/toolbox-langchain/pyproject.toml b/packages/toolbox-langchain/pyproject.toml
index 53e93489..1719deca 100644
--- a/packages/toolbox-langchain/pyproject.toml
+++ b/packages/toolbox-langchain/pyproject.toml
@@ -47,7 +47,7 @@ test = [
     "black[jupyter]==25.1.0",
     "isort==6.0.1",
     "mypy==1.16.0",
-    "pytest-asyncio==0.26.0",
+    "pytest-asyncio==1.0.0",
     "pytest==8.3.5",
     "pytest-cov==6.1.1",
     "Pillow==11.2.1",
diff --git a/packages/toolbox-llamaindex/pyproject.toml b/packages/toolbox-llamaindex/pyproject.toml
index c7bd5394..63c26b05 100644
--- a/packages/toolbox-llamaindex/pyproject.toml
+++ b/packages/toolbox-llamaindex/pyproject.toml
@@ -47,7 +47,7 @@ test = [
     "black[jupyter]==25.1.0",
     "isort==6.0.1",
     "mypy==1.16.0",
-    "pytest-asyncio==0.26.0",
+    "pytest-asyncio==1.0.0",
     "pytest==8.3.5",
     "pytest-cov==6.1.1",
     "Pillow==11.2.1",