diff --git a/.github/workflows/cargo-machete.yaml b/.github/workflows/cargo-machete.yaml
new file mode 100644
index 00000000..ec913608
--- /dev/null
+++ b/.github/workflows/cargo-machete.yaml
@@ -0,0 +1,25 @@
+name: find unused dependencies
+
+on:
+  push:
+
+jobs:
+  cargo-machete:
+    name: find unused dependencies with cargo machete
+    runs-on: ubuntu-latest
+    env:
+      CARGO_NET_GIT_FETCH_WITH_CLI: "true"
+      RUSTFLAGS: "-D warnings" # fail on warnings
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: install tools
+        run: |
+          rustup show
+          cargo install cargo-machete
+
+      - uses: Swatinem/rust-cache@v2
+
+      - name: find unused dependencies
+        run: |
+          cargo machete
diff --git a/crates/ndc-sqlserver/Cargo.toml b/crates/ndc-sqlserver/Cargo.toml
index 4dd7ac73..cd28822f 100644
--- a/crates/ndc-sqlserver/Cargo.toml
+++ b/crates/ndc-sqlserver/Cargo.toml
@@ -17,13 +17,10 @@ path = "bin/main.rs"
 ndc-sdk = { git = "https://github.com/hasura/ndc-hub.git", rev = "098b1c2", package = "ndc-sdk" }
 query-engine = { path = "../query-engine" }
 
-tokio-util = { version = "0.7.9", features = ["compat"] }
 tiberius = { version = "0.12.2", default-features = false, features = ["rustls"] }
 bb8 = "0.8.1"
 bb8-tiberius = "0.15.0"
-anyhow = "1.0.75"
 async-trait = "0.1.73"
-clap = { version = "4.4.6", features = ["derive"] }
 schemars = { version = "0.8.15", features = ["smol_str"] }
 serde = "1.0.188"
 serde_derive = "^1.0"