diff --git a/flake.nix b/flake.nix
index e84b912..971ac82 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,11 +1,11 @@
 {
   inputs = {
-    nixpkgs.url = github:NixOS/nixpkgs/nixos-unstable;
-    flake-utils-plus.url = github:numtide/flake-utils;
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils-plus.url = "github:numtide/flake-utils";
 
     # Website template
     papermod = {
-      url = github:adityatelange/hugo-PaperMod;
+      url = "github:adityatelange/hugo-PaperMod";
       flake = false;
     };
   };