diff --git a/Cargo.lock b/Cargo.lock
index bd210e72..9416e16f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2280,7 +2280,7 @@ dependencies = [
 
 [[package]]
 name = "kit"
-version = "0.9.1"
+version = "0.9.2"
 dependencies = [
  "alloy",
  "alloy-sol-macro",
diff --git a/Cargo.toml b/Cargo.toml
index 53f0b9a9..8e9f4fa4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "kit"
 authors = ["Sybil Technologies AG"]
-version = "0.9.1"
+version = "0.9.2"
 edition = "2021"
 description = "Development toolkit for Kinode"
 homepage = "https://kinode.org"
diff --git a/src/main.rs b/src/main.rs
index be189931..1fea31d8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1019,20 +1019,20 @@ async fn make_app(current_dir: &std::ffi::OsString) -> Result<Command> {
             .visible_alias("n")
             .arg(Arg::new("DIR")
                 .action(ArgAction::Set)
-                .help("Path to create template directory at (must contain only a-z, A-Z, 0-9, `-`)")
+                .help("Path to create template directory at (must contain only a-z, 0-9, `-`)")
                 .required(true)
             )
             .arg(Arg::new("PACKAGE")
                 .action(ArgAction::Set)
                 .short('a')
                 .long("package")
-                .help("Name of the package (must contain only a-z, A-Z, 0-9, `-`) [default: DIR]")
+                .help("Name of the package (must contain only a-z, 0-9, `-`) [default: DIR]")
             )
             .arg(Arg::new("PUBLISHER")
                 .action(ArgAction::Set)
                 .short('u')
                 .long("publisher")
-                .help("Name of the publisher (must contain only a-z, A-Z, 0-9, `-`, `.`)")
+                .help("Name of the publisher (must contain only a-z, 0-9, `-`, `.`)")
                 .default_value("template.os")
             )
             .arg(Arg::new("LANGUAGE")
diff --git a/src/new/mod.rs b/src/new/mod.rs
index 60226f47..a3c62a21 100644
--- a/src/new/mod.rs
+++ b/src/new/mod.rs
@@ -237,9 +237,9 @@ fn replace_vars(
 
 pub fn is_kimap_safe(input: &str, is_publisher: bool) -> bool {
     let expression = if is_publisher {
-        r"^[a-zA-Z0-9\-.]+$"
+        r"^[a-z0-9\-.]+$"
     } else {
-        r"^[a-zA-Z0-9\-]+$"
+        r"^[a-z0-9\-]+$"
     };
     let re = regex::Regex::new(expression).unwrap();
     re.is_match(input)
@@ -283,12 +283,12 @@ pub fn execute(
     if !is_kimap_safe(&package_name, false) {
         let error = if !is_from_dir {
             eyre!(
-                "`package_name` '{}' must be Kimap safe (a-z, A-Z, 0-9, - allowed).",
+                "`package_name` '{}' must be Kimap safe (a-z, 0-9, - allowed).",
                 package_name
             )
         } else {
             eyre!(
-                "`package_name` (derived from given directory {:?}) '{}' must be Kimap safe (a-z, A-Z, 0-9, - allowed).",
+                "`package_name` (derived from given directory {:?}) '{}' must be Kimap safe (a-z, 0-9, - allowed).",
                 new_dir,
                 package_name,
             )
@@ -297,7 +297,7 @@ pub fn execute(
     }
     if !is_kimap_safe(&publisher, true) {
         return Err(eyre!(
-            "`publisher` '{}' must be Kimap safe (a-z, A-Z, 0-9, -, . allowed).",
+            "`publisher` '{}' must be Kimap safe (a-z, 0-9, -, . allowed).",
             publisher
         ));
     }
diff --git a/src/start_package/mod.rs b/src/start_package/mod.rs
index 7718c33b..b93eb27c 100644
--- a/src/start_package/mod.rs
+++ b/src/start_package/mod.rs
@@ -106,11 +106,13 @@ fn check_manifest(pkg_dir: &Path, manifest_file_name: &str) -> Result<()> {
                 )
             })?;
         if !is_kimap_safe(file_name, false) {
-            return Err(eyre!("{manifest_json} file name '{file_name}' must be Kimap safe (a-z, A-Z, 0-9, - allowed)"));
+            return Err(eyre!(
+                "{manifest_json} file name '{file_name}' must be Kimap safe (a-z, 0-9, - allowed)"
+            ));
         }
         if !is_kimap_safe(file_path, false) {
             return Err(eyre!(
-                "{manifest_json} file path {:?} must be Kimap safe (a-z, A-Z, 0-9, - allowed)",
+                "{manifest_json} file path {:?} must be Kimap safe (a-z, 0-9, - allowed)",
                 entry.process_wasm_path,
             ));
         }