diff --git a/nix/overlays/installed-dependencies.nix b/nix/overlays/installed-dependencies.nix
index 6a2dba05f..868111e3d 100644
--- a/nix/overlays/installed-dependencies.nix
+++ b/nix/overlays/installed-dependencies.nix
@@ -11,7 +11,7 @@ in
     nativeBuildInputs = [lua51Packages.luarocks wget];
     outputHashAlgo = "sha256";
     outputHashMode = "recursive";
-    outputHash = "sha256-tvMqTgTshVApj3muQyvwj+as/8b7tw1r0BlCTpMlGuU=";
+    outputHash = "sha256-Z9hODJb/vNqa2OhAo8IuOLJWTaa/63mu0mVxAlAGJnA=";
   } ''
     mkdir $PWD/home
     export HOME=$PWD/home
@@ -19,7 +19,7 @@ in
 
     ${lib.concatStrings (lib.mapAttrsToList (name: version:
       ''
-        luarocks install --tree="$out/luarocks" --force-lock --local ${name} ${version}
+        luarocks install --server="https://nvim-neorocks.github.io/rocks-binaries/" --tree="$out/luarocks" --force-lock --local ${name} ${version}
         luarocks download ${name} ${version}
       ''
       + "\n")
diff --git a/nix/packages/integration-test.nix b/nix/packages/integration-test.nix
index 391cd5cbb..dc11c9ce2 100644
--- a/nix/packages/integration-test.nix
+++ b/nix/packages/integration-test.nix
@@ -4,7 +4,6 @@
   neovim-unwrapped,
   tree-sitter,
   lua5_1,
-  gcc,
   wget,
 }: let
   kickstart-config =
@@ -89,7 +88,6 @@ in
       tree-sitter
       lua5_1
       wget
-      gcc
       kickstart-config
     ];