diff --git a/Cargo.toml b/Cargo.toml
index 85e983d..d5052d6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,6 +7,7 @@ version = "0.1.0"
 edition = "2021"
 authors = ["Trey Lowerison <19714082+tlowerison@users.noreply.github.com>"]
 repository = "https://github.com/tlowerison/leptos_form"
+rust-version = "1.75.0"
 
 [workspace.dependencies]
 # internal to this workspace
diff --git a/README.md b/README.md
index 81666ce..b669d49 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ alt="Unsafe Rust forbidden" />
 * [Docs](https://docs.rs/leptos_form)
 * [GitHub repository](https://github.com/tlowerison/leptos_form)
 * [Cargo package](https://crates.io/crates/leptos_form)
+* Minimum supported Rust version: 1.75.0 or later
 
 ## Features
 
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 923995c..2977b64 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -4,6 +4,7 @@ version.workspace = true
 edition.workspace = true
 authors.workspace = true
 repository.workspace = true
+rust-version.workspace = true
 
 [dependencies]
 derivative.workspace = true
diff --git a/leptos_form/Cargo.toml b/leptos_form/Cargo.toml
index eafd087..3a74cbe 100644
--- a/leptos_form/Cargo.toml
+++ b/leptos_form/Cargo.toml
@@ -4,6 +4,7 @@ version.workspace = true
 edition.workspace = true
 authors.workspace = true
 repository.workspace = true
+rust-version.workspace = true
 
 [dependencies]
 leptos.workspace = true
diff --git a/proc_macros/Cargo.toml b/proc_macros/Cargo.toml
index 53105b4..235fd37 100644
--- a/proc_macros/Cargo.toml
+++ b/proc_macros/Cargo.toml
@@ -4,6 +4,7 @@ version.workspace = true
 authors.workspace = true
 edition.workspace = true
 repository.workspace = true
+rust-version.workspace = true
 
 [dependencies]
 leptos_form_proc_macros_core.workspace = true
diff --git a/proc_macros/core/Cargo.toml b/proc_macros/core/Cargo.toml
index 000688d..65271e5 100644
--- a/proc_macros/core/Cargo.toml
+++ b/proc_macros/core/Cargo.toml
@@ -4,6 +4,7 @@ version.workspace = true
 edition.workspace = true
 authors.workspace = true
 repository.workspace = true
+rust-version.workspace = true
 
 [dependencies]
 convert_case.workspace = true