diff --git a/Cargo.toml b/Cargo.toml
index bd1c7845..44e8f145 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ resolver = "2"
 
 [workspace.package]
 edition = "2021"
-
+rust-version = "1.83"
 
 [profile.dev]
 opt-level = 0
diff --git a/fastsim-cli/Cargo.toml b/fastsim-cli/Cargo.toml
index ef44dc4f..5b1f62d7 100644
--- a/fastsim-cli/Cargo.toml
+++ b/fastsim-cli/Cargo.toml
@@ -2,6 +2,7 @@
 name = "fastsim-cli"
 version = "1.0.0"
 edition.workspace = true
+rust-version = { workspace = true }
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/fastsim-core/Cargo.toml b/fastsim-core/Cargo.toml
index 118674fd..1fedc231 100644
--- a/fastsim-core/Cargo.toml
+++ b/fastsim-core/Cargo.toml
@@ -2,6 +2,7 @@
 name = "fastsim-core"
 version = "1.0.0"
 edition = { workspace = true }
+rust-version = { workspace = true }
 
 [dependencies]
 fastsim-proc-macros = { path = "fastsim-proc-macros", version = "3.0.0" }
diff --git a/fastsim-py/Cargo.toml b/fastsim-py/Cargo.toml
index e8601a0c..9829dc69 100755
--- a/fastsim-py/Cargo.toml
+++ b/fastsim-py/Cargo.toml
@@ -2,6 +2,7 @@
 name = "fastsim-py"
 version = "1.0.0"
 edition = { workspace = true }
+rust-version = { workspace = true  }
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html