diff --git a/.github/workflows/check-format.yaml b/.github/workflows/check-format.yaml
index c371591c4..3fd647227 100644
--- a/.github/workflows/check-format.yaml
+++ b/.github/workflows/check-format.yaml
@@ -17,10 +17,6 @@ jobs:
         run: |
           rustup show
 
-      - uses: Swatinem/rust-cache@v2
-        with:
-          shared-key: "build" # share the cache across jobs
-
       - name: check formatting
         run: |
           cargo fmt --all --check
diff --git a/.github/workflows/schema-definitions.yaml b/.github/workflows/schema-definitions.yaml
index a1c67196d..9b2f77e45 100644
--- a/.github/workflows/schema-definitions.yaml
+++ b/.github/workflows/schema-definitions.yaml
@@ -13,11 +13,14 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: install tools
-        run: rustup show
+        run: |
+          rustup show
+          # install cargo-nextest
+          curl -LsSf https://get.nexte.st/latest/linux | tar zxf - -C ${CARGO_HOME:-~/.cargo}/bin
 
       - uses: Swatinem/rust-cache@v2
         with:
           shared-key: "build" # share the cache across jobs
 
       - name: OpenAPI Definitions
-        run: cargo test --bin openapi-generator
+        run: cargo nextest run --no-fail-fast --release --bin openapi-generator
diff --git a/crates/documentation/openapi/src/main.rs b/crates/documentation/openapi/src/main.rs
index 73d97c355..7b5e5135e 100644
--- a/crates/documentation/openapi/src/main.rs
+++ b/crates/documentation/openapi/src/main.rs
@@ -1,31 +1,30 @@
+use std::io;
+
 use ndc_postgres::configuration::RawConfiguration;
 use schemars::{gen::SchemaSettings, schema::RootSchema};
 
-fn main() {
-    let schema: RootSchema = SchemaSettings::openapi3()
-        .into_generator()
-        .into_root_schema_for::<RawConfiguration>();
+fn main() -> io::Result<()> {
+    let schema = generate_schema();
+    serde_json::to_writer_pretty(io::stdout(), &schema)?;
+    Ok(())
+}
 
-    println!("{}", serde_json::to_string_pretty(&schema).unwrap());
+fn generate_schema() -> RootSchema {
+    SchemaSettings::openapi3()
+        .into_generator()
+        .into_root_schema_for::<RawConfiguration>()
 }
 
 #[cfg(test)]
 mod tests {
-    use std::process::Command;
+    use super::*;
 
     #[test]
-    fn main() {
-        let command_output = Command::new("cargo")
-            .arg("run")
-            .arg("--bin")
-            .arg("openapi-generator")
-            .output()
-            .expect("Failed to run schema generation")
-            .stdout;
-
-        let generated_schema: String =
-            String::from_utf8(command_output).expect("Failed to read snapshot");
+    fn main() -> io::Result<()> {
+        let generated_schema = generate_schema();
+        let generated_schema_json = serde_json::to_string_pretty(&generated_schema)?;
 
-        insta::assert_snapshot!(generated_schema);
+        insta::assert_snapshot!(generated_schema_json);
+        Ok(())
     }
 }