diff --git a/.github/workflows/backend-test.yml b/.github/workflows/backend-test.yml
index 33d0fc9e83..18c3ae5231 100644
--- a/.github/workflows/backend-test.yml
+++ b/.github/workflows/backend-test.yml
@@ -19,7 +19,7 @@ defaults:
 
 jobs:
   cargo_test:
-    runs-on: ubicloud-standard-8
+    runs-on: ubicloud-standard-30
     container:
       image: ghcr.io/windmill-labs/backend-tests
     services:
@@ -34,6 +34,9 @@ jobs:
           --health-retries 5
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: "9.0.x"
       - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           cache-workspaces: backend
diff --git a/Dockerfile b/Dockerfile
index ef2f7a721e..36f631c9e9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -50,9 +50,7 @@ FROM rust_base AS planner
 COPY ./openflow.openapi.yaml /openflow.openapi.yaml
 COPY ./backend ./
 
-RUN --mount=type=cache,target=/usr/local/cargo/registry \
-    --mount=type=cache,target=$SCCACHE_DIR,sharing=locked \
-    CARGO_NET_GIT_FETCH_WITH_CLI=true cargo chef prepare --recipe-path recipe.json
+RUN CARGO_NET_GIT_FETCH_WITH_CLI=true cargo chef prepare --recipe-path recipe.json
 
 FROM rust_base AS builder
 ARG features=""
@@ -63,9 +61,7 @@ RUN apt-get update && apt-get install -y libxml2-dev=2.9.* libxmlsec1-dev=1.2.*
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
-RUN --mount=type=cache,target=/usr/local/cargo/registry \
-    --mount=type=cache,target=$SCCACHE_DIR,sharing=locked \
-    CARGO_NET_GIT_FETCH_WITH_CLI=true RUST_BACKTRACE=1 cargo chef cook --release --features "$features" --recipe-path recipe.json
+RUN CARGO_NET_GIT_FETCH_WITH_CLI=true RUST_BACKTRACE=1 cargo chef cook --release --features "$features" --recipe-path recipe.json
 
 COPY ./openflow.openapi.yaml /openflow.openapi.yaml
 COPY ./backend ./
@@ -76,9 +72,7 @@ COPY --from=frontend /frontend/build /frontend/build
 COPY --from=frontend /backend/windmill-api/openapi-deref.yaml ./windmill-api/openapi-deref.yaml
 COPY .git/ .git/
 
-RUN --mount=type=cache,target=/usr/local/cargo/registry \
-    --mount=type=cache,target=$SCCACHE_DIR,sharing=locked \
-    CARGO_NET_GIT_FETCH_WITH_CLI=true cargo build --release --features "$features"
+RUN CARGO_NET_GIT_FETCH_WITH_CLI=true cargo build --release --features "$features"
 
 
 FROM ${PYTHON_IMAGE}