diff --git a/modules/cpp/MODULE.bazel b/modules/cpp/MODULE.bazel
index aaca9cf1..167c98f3 100644
--- a/modules/cpp/MODULE.bazel
+++ b/modules/cpp/MODULE.bazel
@@ -4,7 +4,7 @@ module(
     compatibility_level = 1,
 )
 
-bazel_dep(name = "grpc", version = "1.65.0")
+bazel_dep(name = "grpc", version = "1.66.0.bcr.2")
 bazel_dep(name = "protobuf", version = "27.1")
 bazel_dep(name = "rules_cc", version = "0.0.10")
 bazel_dep(name = "rules_proto_grpc", version = "0.0.0.rpg.version.placeholder")
diff --git a/modules/objc/MODULE.bazel b/modules/objc/MODULE.bazel
index 485ace04..255ff1b6 100644
--- a/modules/objc/MODULE.bazel
+++ b/modules/objc/MODULE.bazel
@@ -5,7 +5,7 @@ module(
 )
 
 bazel_dep(name = "apple_support", version = "1.17.0")
-bazel_dep(name = "grpc", version = "1.65.0")
+bazel_dep(name = "grpc", version = "1.66.0.bcr.2")
 bazel_dep(name = "protobuf", version = "27.1")
 bazel_dep(name = "rules_cc", version = "0.0.10")
 bazel_dep(name = "rules_proto_grpc", version = "0.0.0.rpg.version.placeholder")
diff --git a/modules/python/MODULE.bazel b/modules/python/MODULE.bazel
index 48607e3a..494cbc2d 100644
--- a/modules/python/MODULE.bazel
+++ b/modules/python/MODULE.bazel
@@ -4,7 +4,7 @@ module(
     compatibility_level = 1,
 )
 
-bazel_dep(name = "grpc", version = "1.65.0")
+bazel_dep(name = "grpc", version = "1.66.0.bcr.2")
 bazel_dep(name = "rules_proto_grpc", version = "0.0.0.rpg.version.placeholder")
 bazel_dep(name = "rules_python", version = "0.34.0")
 
diff --git a/modules/python/requirements.in b/modules/python/requirements.in
index 04c2a284..ea527ece 100644
--- a/modules/python/requirements.in
+++ b/modules/python/requirements.in
@@ -1,3 +1,3 @@
-grpcio==1.65.4  # TODO: remove once pulling grpc from BCR @grpc works
+grpcio==1.67.0  # TODO: remove once pulling grpc from BCR @grpc works
 grpclib==0.4.7
 protobuf==5.27.2
diff --git a/modules/python/requirements.txt b/modules/python/requirements.txt
index 3914eda9..394625e6 100644
--- a/modules/python/requirements.txt
+++ b/modules/python/requirements.txt
@@ -4,7 +4,7 @@
 #
 #    bazel run //:requirements.update
 #
-grpcio==1.65.4 \
+grpcio==1.67.0 \
     --hash=sha256:075f3903bc1749ace93f2b0664f72964ee5f2da5c15d4b47e0ab68e4f442c257 \
     --hash=sha256:0a0720299bdb2cc7306737295d56e41ce8827d5669d4a3cd870af832e3b17c4d \
     --hash=sha256:0cef8c919a3359847c357cb4314e50ed1f0cca070f828ee8f878d362fd744d52 \