diff --git a/benchmarks/Cargo.toml b/benchmarks/Cargo.toml
index 32e2f5c51aaa..1fe5a8ba6820 100644
--- a/benchmarks/Cargo.toml
+++ b/benchmarks/Cargo.toml
@@ -19,7 +19,7 @@
 name = "datafusion-benchmarks"
 description = "DataFusion Benchmarks"
 version = "28.0.0"
-edition = "2021"
+edition = { workspace = true }
 authors = ["Apache Arrow <dev@arrow.apache.org>"]
 homepage = "https://github.com/apache/arrow-datafusion"
 repository = "https://github.com/apache/arrow-datafusion"
diff --git a/datafusion/proto/gen/Cargo.toml b/datafusion/proto/gen/Cargo.toml
index 95525c032166..a00240ae5d29 100644
--- a/datafusion/proto/gen/Cargo.toml
+++ b/datafusion/proto/gen/Cargo.toml
@@ -19,7 +19,7 @@
 name = "gen"
 description = "Code generation for proto"
 version = "0.1.0"
-edition = "2021"
+edition = { workspace = true }
 rust-version = "1.64"
 authors = ["Apache Arrow <dev@arrow.apache.org>"]
 homepage = "https://github.com/apache/arrow-datafusion"
diff --git a/test-utils/Cargo.toml b/test-utils/Cargo.toml
index 19ffb5940322..5ab10e42cf68 100644
--- a/test-utils/Cargo.toml
+++ b/test-utils/Cargo.toml
@@ -18,7 +18,7 @@
 [package]
 name = "test-utils"
 version = "0.1.0"
-edition = "2021"
+edition = { workspace = true }
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html