diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 51bd2e25e..dda0b52b0 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -172,8 +172,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        grpc: ["1.59.5", "1.63.0", "1.65.0", "1.66.0", "1.68.0", "1.72.1", "1.73.0", "1.74.0"]
-        protobuf: ["4.25.8", "5.26.0", "5.27.4", "5.28.3", "5.29.0", "6.30.0", "6.31.1", "6.32.0"]
+        grpc: ["1.59.5", "1.63.0", "1.65.0", "1.66.0", "1.68.0", "1.72.1", "1.73.0", "1.74.0", "1.85.0"]
+        protobuf: ["4.25.8", "5.26.0", "5.27.4", "5.28.3", "5.29.0", "6.30.0", "6.31.1", "6.32.0", "6.33.6"]
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
@@ -224,11 +224,12 @@ jobs:
       fail-fast: false
       matrix:
         versions: [
-          { py: "3.10", weaviate: $WEAVIATE_140, grpc: "1.59.0"},
-          { py: "3.11", weaviate: $WEAVIATE_140, grpc: "1.66.0"},
-          { py: "3.12", weaviate: $WEAVIATE_140, grpc: "1.70.0"},
-          { py: "3.13", weaviate: $WEAVIATE_140, grpc: "1.72.1"},
-          { py: "3.14", weaviate: $WEAVIATE_140, grpc: "1.76.0"}
+          { py: "3.10", weaviate: $WEAVIATE_140, grpc: "1.59.5", protobuf: "4.25.9"},
+          { py: "3.11", weaviate: $WEAVIATE_140, grpc: "1.66.0", protobuf: "5.29.6"},
+          { py: "3.12", weaviate: $WEAVIATE_140, grpc: "1.70.0", protobuf: "5.29.6"},
+          { py: "3.13", weaviate: $WEAVIATE_140, grpc: "1.72.1", protobuf: "6.33.6"},
+          { py: "3.14", weaviate: $WEAVIATE_140, grpc: "1.76.0", protobuf: "6.33.6"},
+          { py: "3.14", weaviate: $WEAVIATE_140, grpc: "1.85.0", protobuf: "6.33.6"}
         ]
         optional_dependencies: [false]
     steps:
@@ -248,7 +249,7 @@ jobs:
           password: ${{secrets.DOCKER_PASSWORD}}
       - run: |
           pip install -r requirements-test.txt
-          pip install grpcio==${{ matrix.versions.grpc }} grpcio-tools==${{ matrix.versions.grpc }} grpcio-health-checking==${{ matrix.versions.grpc }}
+          pip install grpcio==${{ matrix.versions.grpc }} protobuf==${{ matrix.versions.protobuf }}
           pip install .
       - name: start weaviate
         run: /bin/bash ci/start_weaviate.sh ${{ matrix.versions.weaviate }}
diff --git a/setup.cfg b/setup.cfg
index b964b7ef3..db362c9ec 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -41,7 +41,7 @@ install_requires =
     validators>=0.34.0,<1.0.0
     authlib>=1.7.1,<2.0.0
     pydantic>=2.12.0,<3.0.0
-    grpcio>=1.59.5,<1.80.0; sys_platform != "emscripten"
+    grpcio>=1.59.5,<2.0.0; sys_platform != "emscripten"
     protobuf>=4.21.6,<7.0.0
     packaging>=21.0
 python_requires = >=3.10