diff --git a/checkout/rust/cart-checkout-validation/default/Cargo.toml.liquid b/checkout/rust/cart-checkout-validation/default/Cargo.toml.liquid
index 34649bf4..e1ea6446 100644
--- a/checkout/rust/cart-checkout-validation/default/Cargo.toml.liquid
+++ b/checkout/rust/cart-checkout-validation/default/Cargo.toml.liquid
@@ -2,6 +2,7 @@
 name = "{{name | replace: " ", "-" | downcase}}"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/checkout/rust/cart-transform/bundles/Cargo.toml.liquid b/checkout/rust/cart-transform/bundles/Cargo.toml.liquid
index 49b1c91b..c7cc572c 100644
--- a/checkout/rust/cart-transform/bundles/Cargo.toml.liquid
+++ b/checkout/rust/cart-transform/bundles/Cargo.toml.liquid
@@ -2,6 +2,7 @@
 name = "bundles_cart_transform"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/checkout/rust/cart-transform/default/Cargo.toml.liquid b/checkout/rust/cart-transform/default/Cargo.toml.liquid
index 6fdcc449..80315c08 100644
--- a/checkout/rust/cart-transform/default/Cargo.toml.liquid
+++ b/checkout/rust/cart-transform/default/Cargo.toml.liquid
@@ -2,6 +2,7 @@
 name = "cart_transform"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/checkout/rust/delivery-customization/default/Cargo.toml.liquid b/checkout/rust/delivery-customization/default/Cargo.toml.liquid
index 34649bf4..e1ea6446 100644
--- a/checkout/rust/delivery-customization/default/Cargo.toml.liquid
+++ b/checkout/rust/delivery-customization/default/Cargo.toml.liquid
@@ -2,6 +2,7 @@
 name = "{{name | replace: " ", "-" | downcase}}"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/checkout/rust/payment-customization/default/Cargo.toml.liquid b/checkout/rust/payment-customization/default/Cargo.toml.liquid
index 34649bf4..e1ea6446 100644
--- a/checkout/rust/payment-customization/default/Cargo.toml.liquid
+++ b/checkout/rust/payment-customization/default/Cargo.toml.liquid
@@ -2,6 +2,7 @@
 name = "{{name | replace: " ", "-" | downcase}}"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/discounts/rust/order-discounts/default/Cargo.toml.liquid b/discounts/rust/order-discounts/default/Cargo.toml.liquid
index 34649bf4..e1ea6446 100644
--- a/discounts/rust/order-discounts/default/Cargo.toml.liquid
+++ b/discounts/rust/order-discounts/default/Cargo.toml.liquid
@@ -2,6 +2,7 @@
 name = "{{name | replace: " ", "-" | downcase}}"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/discounts/rust/order-discounts/fixed-amount/Cargo.toml b/discounts/rust/order-discounts/fixed-amount/Cargo.toml
index 781bade3..94e0a25f 100644
--- a/discounts/rust/order-discounts/fixed-amount/Cargo.toml
+++ b/discounts/rust/order-discounts/fixed-amount/Cargo.toml
@@ -2,6 +2,7 @@
 name = "discounts-order-discounts-fixed-amount"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/discounts/rust/product-discounts/default/Cargo.toml.liquid b/discounts/rust/product-discounts/default/Cargo.toml.liquid
index 34649bf4..e1ea6446 100644
--- a/discounts/rust/product-discounts/default/Cargo.toml.liquid
+++ b/discounts/rust/product-discounts/default/Cargo.toml.liquid
@@ -2,6 +2,7 @@
 name = "{{name | replace: " ", "-" | downcase}}"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/discounts/rust/product-discounts/fixed-amount/Cargo.toml b/discounts/rust/product-discounts/fixed-amount/Cargo.toml
index a6bcf2d1..d3100a15 100644
--- a/discounts/rust/product-discounts/fixed-amount/Cargo.toml
+++ b/discounts/rust/product-discounts/fixed-amount/Cargo.toml
@@ -2,6 +2,7 @@
 name = "discounts-product-discounts-fixed-amount"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/discounts/rust/shipping-discounts/default/Cargo.toml.liquid b/discounts/rust/shipping-discounts/default/Cargo.toml.liquid
index 34649bf4..e1ea6446 100644
--- a/discounts/rust/shipping-discounts/default/Cargo.toml.liquid
+++ b/discounts/rust/shipping-discounts/default/Cargo.toml.liquid
@@ -2,6 +2,7 @@
 name = "{{name | replace: " ", "-" | downcase}}"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/discounts/rust/shipping-discounts/fixed-amount/Cargo.toml b/discounts/rust/shipping-discounts/fixed-amount/Cargo.toml
index 8b7f513d..00c2778f 100644
--- a/discounts/rust/shipping-discounts/fixed-amount/Cargo.toml
+++ b/discounts/rust/shipping-discounts/fixed-amount/Cargo.toml
@@ -2,6 +2,7 @@
 name = "fixed-amount"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/order-routing/rust/fulfillment-constraints/default/Cargo.toml.liquid b/order-routing/rust/fulfillment-constraints/default/Cargo.toml.liquid
index 34649bf4..e1ea6446 100644
--- a/order-routing/rust/fulfillment-constraints/default/Cargo.toml.liquid
+++ b/order-routing/rust/fulfillment-constraints/default/Cargo.toml.liquid
@@ -2,6 +2,7 @@
 name = "{{name | replace: " ", "-" | downcase}}"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/order-routing/rust/rankers/default/Cargo.toml.liquid b/order-routing/rust/rankers/default/Cargo.toml.liquid
index 34649bf4..e1ea6446 100644
--- a/order-routing/rust/rankers/default/Cargo.toml.liquid
+++ b/order-routing/rust/rankers/default/Cargo.toml.liquid
@@ -2,6 +2,7 @@
 name = "{{name | replace: " ", "-" | downcase}}"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/sample-apps/bundles-cart-transform/extensions/cart-merge-expand/Cargo.toml b/sample-apps/bundles-cart-transform/extensions/cart-merge-expand/Cargo.toml
index 9d6576bb..d5832c59 100644
--- a/sample-apps/bundles-cart-transform/extensions/cart-merge-expand/Cargo.toml
+++ b/sample-apps/bundles-cart-transform/extensions/cart-merge-expand/Cargo.toml
@@ -2,6 +2,7 @@
 name = "bundle_cart_transform"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/sample-apps/delivery-customizations/extensions/delivery-customization-rust/Cargo.toml b/sample-apps/delivery-customizations/extensions/delivery-customization-rust/Cargo.toml
index cbbaf991..f021d8f8 100644
--- a/sample-apps/delivery-customizations/extensions/delivery-customization-rust/Cargo.toml
+++ b/sample-apps/delivery-customizations/extensions/delivery-customization-rust/Cargo.toml
@@ -2,6 +2,7 @@
 name = "delivery-customization"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/sample-apps/discounts/extensions/product-discount-rust/Cargo.toml b/sample-apps/discounts/extensions/product-discount-rust/Cargo.toml
index 4a63fc3d..d682640c 100644
--- a/sample-apps/discounts/extensions/product-discount-rust/Cargo.toml
+++ b/sample-apps/discounts/extensions/product-discount-rust/Cargo.toml
@@ -2,6 +2,7 @@
 name = "product-discount"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
diff --git a/sample-apps/payment-customizations/extensions/payment-customization-rust/Cargo.toml b/sample-apps/payment-customizations/extensions/payment-customization-rust/Cargo.toml
index b5b6d995..07164312 100644
--- a/sample-apps/payment-customizations/extensions/payment-customization-rust/Cargo.toml
+++ b/sample-apps/payment-customizations/extensions/payment-customization-rust/Cargo.toml
@@ -2,6 +2,7 @@
 name = "payment-customization"
 version = "1.0.0"
 edition = "2021"
+rust-version = "1.62"
 
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }