diff --git a/Cargo.toml b/Cargo.toml
index 5df80fd7f..ed990f8be 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,3 +50,10 @@ required-features = ["clap"]
 [lib]
 name = "cbindgen"
 path = "src/lib.rs"
+
+[workspace]
+exclude = [
+  "tests/depfile/single_crate",
+  "tests/depfile/single_crate_config",
+  "tests/depfile/single_crate_default_config"
+]