diff --git a/src/MarkdownLiteral.jl b/src/MarkdownLiteral.jl
index aa5207f..bb8243d 100644
--- a/src/MarkdownLiteral.jl
+++ b/src/MarkdownLiteral.jl
@@ -121,7 +121,7 @@ end
 
 # Some aliases, it's up to you which one to import.
 
-var"@markdownliteral" = var"@markdown"
-var"@mdx" = var"@markdown"
+const var"@markdownliteral" = var"@markdown"
+const var"@mdx" = var"@markdown"
 
-end
\ No newline at end of file
+end