diff --git a/home-manager/home.nix b/home-manager/home.nix
index c282a10..eb59d1f 100644
--- a/home-manager/home.nix
+++ b/home-manager/home.nix
@@ -6,6 +6,9 @@
   home.username = "jfrikker";
   home.homeDirectory = "/Users/jfrikker";
 
+  home.sessionVariables.TEST = "foo";
+  home.sessionVariables.RUST_SRC_PATH = "${pkgs.rust-bin.stable."1.68.0".rust-src}/lib/rustlib/src/rust/library";
+
   home.packages = [
     # pkgs.apacheKafka
     pkgs.aws-iam-authenticator
@@ -30,9 +33,11 @@
     pkgs.postgresql
     pkgs.ripgrep
     # pkgs.rlwrap
-    pkgs.rust-analyzer
+    # pkgs.rust-analyzer
     pkgs.rust-script
-    pkgs.rustup
+    pkgs.rust-bin.stable."1.68.0".default
+    pkgs.rust-bin.stable."1.68.0".rust-analyzer
+    # pkgs.rustup
     # pkgs.sbcl
     # pkgs.source-code-pro
     # pkgs.xonsh
diff --git a/nixpkgs/config.nix b/nixpkgs/config.nix
new file mode 100644
index 0000000..a1d14d5
--- /dev/null
+++ b/nixpkgs/config.nix
@@ -0,0 +1,5 @@
+{
+    permittedInsecurePackages = [
+        "nodejs-16.20.0"
+    ];
+}
diff --git a/nixpkgs/overlays.nix b/nixpkgs/overlays.nix
new file mode 100644
index 0000000..2f6d77c
--- /dev/null
+++ b/nixpkgs/overlays.nix
@@ -0,0 +1 @@
+[ (import <rust-overlay>) ]