diff --git a/pyproject.toml b/pyproject.toml
index e064faf08d..73205528d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,11 +54,11 @@ tests = [
     "ansys-tools-visualization-interface==0.6.2",
     "beartype==0.19.0",
     "docker==7.1.0",
-    "grpcio==1.67.1",
-    "grpcio-health-checking==1.67.1",
+    "grpcio==1.68.1",
+    "grpcio-health-checking==1.68.1",
     "numpy==2.2.1",
     "Pint==0.24.4",
-    "protobuf==5.28.3",
+    "protobuf==5.29.2",
     "pytest==8.3.4",
     "pytest-cov==6.0.0",
     "pytest-pyvista==0.1.9",
@@ -82,8 +82,8 @@ doc = [
     "ansys-tools-visualization-interface==0.6.2",
     "beartype==0.19.0",
     "docker==7.1.0",
-    "grpcio==1.67.1",
-    "grpcio-health-checking==1.67.1",
+    "grpcio==1.68.1",
+    "grpcio-health-checking==1.68.1",
     "ipyvtklink==0.2.3",
     "jupyter_sphinx==0.5.3",
     "jupytext==1.16.6",
@@ -95,7 +95,7 @@ doc = [
     "numpy==2.2.1",
     "panel==1.5.5",
     "Pint==0.24.4",
-    "protobuf==5.28.3",
+    "protobuf==5.29.2",
     "pyvista[jupyter]==0.44.2",
     "requests==2.32.3",
     "scipy==1.14.1",