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"
+]
diff --git a/tests/depfile/single_crate_config/Cargo.lock b/tests/depfile/single_crate_config/Cargo.lock
index 26d416263..31cb5fba5 100644
--- a/tests/depfile/single_crate_config/Cargo.lock
+++ b/tests/depfile/single_crate_config/Cargo.lock
@@ -3,5 +3,5 @@
 version = 3
 
 [[package]]
-name = "single_crate"
+name = "single_crate_config"
 version = "0.1.0"
diff --git a/tests/depfile/single_crate_config/Cargo.toml b/tests/depfile/single_crate_config/Cargo.toml
index 66eff1125..e275c60a2 100644
--- a/tests/depfile/single_crate_config/Cargo.toml
+++ b/tests/depfile/single_crate_config/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "single_crate"
+name = "single_crate_config"
 version = "0.1.0"
 authors = ["cbindgen"]
 
diff --git a/tests/depfile/single_crate_default_config/Cargo.lock b/tests/depfile/single_crate_default_config/Cargo.lock
index 26d416263..84e6506f5 100644
--- a/tests/depfile/single_crate_default_config/Cargo.lock
+++ b/tests/depfile/single_crate_default_config/Cargo.lock
@@ -3,5 +3,5 @@
 version = 3
 
 [[package]]
-name = "single_crate"
+name = "single_crate_default_config"
 version = "0.1.0"
diff --git a/tests/depfile/single_crate_default_config/Cargo.toml b/tests/depfile/single_crate_default_config/Cargo.toml
index 66eff1125..342dacea6 100644
--- a/tests/depfile/single_crate_default_config/Cargo.toml
+++ b/tests/depfile/single_crate_default_config/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "single_crate"
+name = "single_crate_default_config"
 version = "0.1.0"
 authors = ["cbindgen"]