diff --git a/src/cli.rs b/src/cli.rs
index 86ac384..29686ff 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -14,9 +14,9 @@ use std::process;
 use std::process::Command;
 use thiserror::Error as TE;
 
-pub static VERSION: &str = "0.1.0";
+const VERSION: &str = "0.1.0";
 
-pub static USAGE: &str = r#"Usage: rusty-cli [OPTIONS] [lua-file] [args]...
+const USAGE: &str = r#"Usage: rusty-cli [OPTIONS] [lua-file] [args]...
 
 Arguments:
   [lua-file]
diff --git a/src/nginx.rs b/src/nginx.rs
index 192734b..787c89d 100644
--- a/src/nginx.rs
+++ b/src/nginx.rs
@@ -2,11 +2,11 @@ use minijinja::{context, Environment};
 use std::env;
 use std::path::PathBuf;
 
-pub static RESTY_COMPAT_VAR: &str = "RESTY_CLI_COMPAT_VERSION";
-pub static RESTY_COMPAT_LATEST: u64 = 28;
+const RESTY_COMPAT_VAR: &str = "RESTY_CLI_COMPAT_VERSION";
+const RESTY_COMPAT_LATEST: u64 = 28;
 
-pub static TEMPLATE: &str = include_str!("nginx.conf.tpl");
-pub static TEMPLATE_NAME: &str = "nginx.conf";
+const TEMPLATE: &str = include_str!("nginx.conf.tpl");
+const TEMPLATE_NAME: &str = "nginx.conf";
 
 pub struct Vars {
     pub events_conf: Vec<String>,