diff --git a/build.sbt b/build.sbt
index 60c12f45f..70bd51b96 100644
--- a/build.sbt
+++ b/build.sbt
@@ -942,6 +942,10 @@ lazy val bootstrapped = projectMatrix
     Compile / PB.protoSources ++= Seq(
       exampleGeneratedResourcesOutput.value
     ),
+    Compile / PB.protocExecutable := sys.env
+      .get("PROTOC_PATH")
+      .map(file(_))
+      .getOrElse((Compile / PB.protocExecutable).value),
     Compile / PB.targets := Seq(
       scalapb.gen() -> (Compile / sourceManaged).value / "scalapb"
     ),
diff --git a/flake.lock b/flake.lock
index e0823f3fb..19f639ea5 100644
--- a/flake.lock
+++ b/flake.lock
@@ -17,11 +17,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1663192503,
-        "narHash": "sha256-vbyobo3DokKs/d4dlp8dIpVi3zYzXl4xo3e8VnY1Bj8=",
+        "lastModified": 1718110205,
+        "narHash": "sha256-cv//kqJTOcaL5v3bfU/q+McjzlPikQ9omL3j7qltUsA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "31946d7d94ea25194b8c4c23e5770ec09d42c3d0",
+        "rev": "8f5f49d8ad22689611fcbb62b1a79124a35cf67d",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index f40b326b2..f97941baa 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,31 +2,32 @@
   inputs.nixpkgs.url = "github:nixos/nixpkgs";
   inputs.flake-utils.url = "github:numtide/flake-utils";
 
-  outputs = { self, nixpkgs, flake-utils, ... }@inputs:
+  outputs = { nixpkgs, flake-utils, ... }:
     flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = import nixpkgs { inherit system; };
-        shellPackages = [
-          "jre"
-          "sbt"
-          "nodejs-16_x"
-          "yarn"
+        shellPackages = with pkgs; [
+          temurin-jre-bin-17
+          nodejs-18_x
+          yarn
+          (pkgs.sbt.override { jre = pkgs.temurin-jre-bin-17; })
         ];
+        protobuf = pkgs.protobuf3_21;
       in
       {
         devShells.default = pkgs.mkShell {
-          buildInputs = map (pkgName: pkgs.${pkgName}) shellPackages;
-          nativeBuildInputs = [ pkgs.openssl pkgs.zlib ];
+          buildInputs = shellPackages;
+          nativeBuildInputs = [ pkgs.openssl pkgs.zlib protobuf ];
           welcomeMessage = ''
             Welcome to the smithy4s Nix shell! 👋
             Available packages:
-            ${builtins.concatStringsSep "\n" (map (n : "- ${n}") shellPackages)}
+            ${builtins.concatStringsSep "\n" (map (n : "- ${n.name}") shellPackages)}
           '';
 
           shellHook = ''
             echo "$welcomeMessage"
           '';
-          LD_LIBRARY_PATH = "${pkgs.stdenv.cc.cc.lib}/lib";
+          PROTOC_PATH = pkgs.lib.getExe protobuf;
         };
       }
     );