diff --git a/pyproject.toml b/pyproject.toml
index 30a31d46f..5fd603fe4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ requires = [
     "torch == 2.9.1",
     "wheel",
     "jinja2",
-    "grpcio-tools",
+    "grpcio-tools==1.78.0",
 ]
 build-backend = "setuptools.build_meta"
 
diff --git a/requirements/build.txt b/requirements/build.txt
index 0d3a24dd1..588a709c9 100644
--- a/requirements/build.txt
+++ b/requirements/build.txt
@@ -10,4 +10,4 @@ jinja2>=3.1.6
 regex
 build
 protobuf
-grpcio-tools
+grpcio-tools==1.78.0 # Required for grpc entrypoints
diff --git a/requirements/rocm.txt b/requirements/rocm.txt
index dc407995a..7ac853680 100644
--- a/requirements/rocm.txt
+++ b/requirements/rocm.txt
@@ -15,4 +15,4 @@ setuptools-scm>=8
 runai-model-streamer[s3,gcs]==0.15.3
 conch-triton-kernels==1.2.1
 timm>=1.0.17
-grpcio-tools>=1.76.0
\ No newline at end of file
+grpcio-tools==1.78.0 # Should match `build.txt`
\ No newline at end of file
diff --git a/requirements/test.in b/requirements/test.in
index 3f2110f82..ea4a07784 100644
--- a/requirements/test.in
+++ b/requirements/test.in
@@ -48,6 +48,7 @@ buildkite-test-collector==0.1.9
 genai_perf>=0.0.8
 tritonclient>=2.51.0
 
+grpcio-tools==1.78.0 # Should match `build.txt`
 arctic-inference == 0.1.1 # Required for suffix decoding test
 numba == 0.61.2 # Required for N-gram speculative decoding
 numpy
diff --git a/requirements/test.txt b/requirements/test.txt
index af6a276c2..2d49db348 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -303,8 +303,12 @@ graphql-relay==3.2.0
     # via graphene
 greenlet==3.2.3
     # via sqlalchemy
-grpcio==1.76.0
-    # via ray
+grpcio==1.78.0
+    # via
+    #   grpcio-tools
+    #   ray
+grpcio-tools==1.78.0
+    # via -r requirements/test.in
 gunicorn==23.0.0
     # via mlflow
 h11==0.14.0
@@ -777,6 +781,7 @@ protobuf==6.33.2
     # via
     #   google-api-core
     #   googleapis-common-protos
+    #   grpcio-tools
     #   mlflow-skinny
     #   opentelemetry-proto
     #   proto-plus
@@ -1046,6 +1051,7 @@ sentence-transformers==5.2.0
     #   mteb
 setuptools==77.0.3
     # via
+    #   grpcio-tools
     #   lightning-utilities
     #   pytablewriter
     #   torch