diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 2578b9be..06f3da87 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -26,6 +26,7 @@ license = "BSD-3-Clause"
 edition = "2021"
 homepage = "https://www.nrel.gov/transportation/altrios.html"
 repository = "https://github.com/NREL/altrios"
+rust-version = "1.83"
 
 [profile.dev]
 opt-level = 0
diff --git a/rust/altrios-core/Cargo.toml b/rust/altrios-core/Cargo.toml
index 7b9859eb..f9d99a46 100644
--- a/rust/altrios-core/Cargo.toml
+++ b/rust/altrios-core/Cargo.toml
@@ -8,6 +8,7 @@ repository = { workspace = true }
 version = "0.2.3"
 description = "ALTRIOS Core model for train simulation"
 readme = "README.md"
+rust-version = { workspace = true }
 
 [dependencies]
 csv = "1.1.6"
diff --git a/rust/altrios-core/altrios-proc-macros/Cargo.toml b/rust/altrios-core/altrios-proc-macros/Cargo.toml
index 211d69ef..f05d9622 100644
--- a/rust/altrios-core/altrios-proc-macros/Cargo.toml
+++ b/rust/altrios-core/altrios-proc-macros/Cargo.toml
@@ -8,6 +8,7 @@ repository = { workspace = true }
 version = "0.2.3"
 description = "ALTRIOS procedural macros"
 readme = "README.md"
+rust-version = { workspace = true }
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/rust/altrios-py/Cargo.toml b/rust/altrios-py/Cargo.toml
index 2fece8f2..0ebd24f6 100644
--- a/rust/altrios-py/Cargo.toml
+++ b/rust/altrios-py/Cargo.toml
@@ -6,6 +6,7 @@ license = { workspace = true }
 homepage = { workspace = true }
 repository = { workspace = true }
 version = "0.1.0"
+rust-version = { workspace = true }
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html