diff --git a/Cargo.toml b/Cargo.toml
index 1a30728..f995501 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT"
 name = "pg-extras"
 readme = "README.md"
 repository = "https://github.com/pawurb/rust-pg-extras"
-version = "0.1.0"
+version = "0.2.0"
 
 exclude = [
   "docker-compose.yml.sample",
diff --git a/src/lib.rs b/src/lib.rs
index af5c699..543d6cd 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -314,6 +314,7 @@ impl Query {
 }
 
 #[derive(Error, Debug)]
+#[non_exhaustive]
 pub enum PgExtrasError {
     #[error("Both $DATABASE_URL and $PG_EXTRAS_DATABASE_URL are not set")]
     MissingConfigVars(),