diff --git a/serde/Cargo.toml b/serde/Cargo.toml
index 62326ae5..96bcde72 100644
--- a/serde/Cargo.toml
+++ b/serde/Cargo.toml
@@ -8,6 +8,7 @@ repository = "https://github.com/serde-rs/serde"
 documentation = "https://serde-rs.github.io/serde/serde/"
 readme = "../README.md"
 keywords = ["serde", "serialization"]
+include = ["Cargo.toml", "src/**/*.rs"]
 
 [features]
 default = ["std"]
diff --git a/serde_codegen/Cargo.toml b/serde_codegen/Cargo.toml
index f671b25f..3ee0f7fe 100644
--- a/serde_codegen/Cargo.toml
+++ b/serde_codegen/Cargo.toml
@@ -8,6 +8,7 @@ repository = "https://github.com/serde-rs/serde"
 documentation = "https://github.com/serde-rs/serde"
 keywords = ["serde", "serialization"]
 build = "build.rs"
+include = ["Cargo.toml", "src/**/*.rs"]
 
 [features]
 default = ["with-syntex"]
diff --git a/serde_macros/Cargo.toml b/serde_macros/Cargo.toml
index 23a3ad5b..48c63982 100644
--- a/serde_macros/Cargo.toml
+++ b/serde_macros/Cargo.toml
@@ -7,6 +7,7 @@ description = "Macros to auto-generate implementations for the serde framework"
 repository = "https://github.com/serde-rs/serde"
 documentation = "https://github.com/serde-rs/serde"
 keywords = ["serde", "serialization"]
+include = ["Cargo.toml", "src/**/*.rs"]
 
 [lib]
 name = "serde_macros"