diff --git a/README.md b/README.md
index 4e024d8..b49eb5d 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,6 @@
 
 A Zig version manager, written in zig.
 
-WARNING: zupper is alpha software! Expect bugs!
-
 ## features
 
 - managing multiple zig installations
@@ -46,7 +44,8 @@ apt install \
 
 2. Install the zig toolchain
 
-Zupper requires the development version of Zig (0.12.0 at the time of writing). Make sure you install one of the latest versions of Zig.
+Zupper requires the 0.12.0 version of Zig. You can get a compiler from the
+[Zig website](https://ziglang.org), or your distribution's package manager.
 
 3. Build it!
 
diff --git a/build.zig.zon b/build.zig.zon
index 72738ac..02e4bd1 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -1,7 +1,6 @@
 .{
-    .paths = .{""},
     .name = "zupper",
-    .version = "0.4.0",
+    .version = "1.0.0",
 
     .paths = .{""},
 
@@ -11,20 +10,20 @@
             .hash = "12203ded54c85878eea7f12744066dcb4397177395ac49a7b2aa365bf6047b623829",
         },
         .known_folders = .{
-            .url = "git+https://github.com/ziglibs/known-folders.git#806ba01b872820004c7dec3117cb0db66b206af6",
-            .hash = "122094b48dea08e241b48d0ec32e3df6965e814091e3cabaff942e62d053f3ff9b5f",
+            .url = "git+https://github.com/ziglibs/known-folders.git#2aa7f2e9855d45b20072e15107fb379b9380adbe",
+            .hash = "12209925016f4b5486a713828ead3bcc900fa4f039c93de1894aa7d5253f7633b92c",
         },
         .ansi_term = .{
             .url = "git+https://github.com/LordMZTE/ansi-term.git#73c03175068679685535111dbea72cade075719e",
             .hash = "1220ea86ace34b38e49c1d737c5f857d88346af10695a992b38e10cb0a73b6a19ef7",
         },
         .getty = .{
-            .url = "git+https://github.com/getty-zig/getty.git#9ca75378ca4ee1035c68c910df29a756285b2e7c",
-            .hash = "12202cf984468b0ae05fffde6c4092c125f29315a289d996fb5cc3026bb2912c4ef0",
+            .url = "https://github.com/getty-zig/getty/archive/d27b9c72c553ee7e9fb383aa955ae1a705cde215.tar.gz",
+            .hash = "12208cf585a316dddfb837fb7397b0cc4a9974716adf63f856171fbd6e99cb9b131d",
         },
         .getty_json = .{
-            .url = "git+https://github.com/getty-zig/json#cc502b4d38dc1fe394f1f4c0dc1839f5a1f7d5b6",
-            .hash = "12201948b93e19050362d154a606460465fa313bb411f997b8a41a11209ecd78cd85",
+            .url = "git+https://github.com/getty-zig/json.git#11946ff9d2f159cb06aaf423ce13bd8aa2a481e7",
+            .hash = "1220829a91cb0804b35dadb6eb453cd9694b16d624e02493dc712ad43fd8681095f1",
         },
     },
 }
diff --git a/src/args.zig b/src/args.zig
index a4382dc..5ab780f 100644
--- a/src/args.zig
+++ b/src/args.zig
@@ -1,6 +1,6 @@
 const std = @import("std");
 
-pub const version = "0.4.0";
+pub const version = "1.0.0";
 
 pub const Info = struct {};
 
diff --git a/src/commands/install.zig b/src/commands/install.zig
index be1be59..96ba982 100644
--- a/src/commands/install.zig
+++ b/src/commands/install.zig
@@ -60,15 +60,13 @@ pub fn run(
 
             std.log.info("exact version URL: '{s}'", .{exactv_url});
 
-            var exactv_result = http.fetch(alloc, .{
+            const exactv_result = http.fetch(.{
                 .location = .{ .url = exactv_url },
-                .response_strategy = .none,
                 .method = .HEAD,
             }) catch |e| {
                 std.log.err("checking exact version: {}", .{e});
                 return error.Explained;
             };
-            defer exactv_result.deinit();
 
             if (exactv_result.status.class() != .success) {
                 std.log.info("no such exact version available ({} {s})! available versions: ", .{
diff --git a/src/main.zig b/src/main.zig
index 0fa0fa6..0586d70 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -3,9 +3,9 @@ const zig_args = @import("zig-args");
 const args = @import("args.zig");
 const Manifest = @import("Manifest.zig");
 
-pub const std_options = struct {
-    pub const logFn = @import("log.zig").log;
-    pub const log_level = .debug;
+pub const std_options = std.Options{
+    .log_level = .debug,
+    .logFn = @import("log.zig").log,
 };
 
 pub fn main() !u8 {
diff --git a/src/net.zig b/src/net.zig
index 51724ab..82aca20 100644
--- a/src/net.zig
+++ b/src/net.zig
@@ -41,15 +41,16 @@ pub fn getVersionIndex(http: *std.http.Client) !getty.de.Result(VersionMap) {
     const alloc = http.allocator;
     std.log.info("getting version index", .{});
 
+    var header_buf: [1024 * 4]u8 = undefined;
+
     var req = try http.open(
         .GET,
         comptime std.Uri.parse("https://ziglang.org/download/index.json") catch unreachable,
-        std.http.Headers.init(alloc), // freed by req.deinit
-        .{},
+        .{ .server_header_buffer = &header_buf },
     );
     defer req.deinit();
 
-    try req.send(.{});
+    try req.send();
     try req.wait();
 
     return try json.fromReader(alloc, VersionMap, req.reader());
@@ -62,8 +63,6 @@ pub fn downloadVersionTo(
     url_str: []const u8,
     target: []const u8,
 ) !void {
-    const alloc = http.allocator;
-
     const url = try std.Uri.parse(url_str);
 
     std.log.info(
@@ -74,10 +73,16 @@ pub fn downloadVersionTo(
         .{ url_str, target },
     );
 
-    var req = try http.open(.GET, url, std.http.Headers.init(alloc), .{});
+    var header_buf: [1024 * 4]u8 = undefined;
+
+    var req = try http.open(
+        .GET,
+        url,
+        .{ .server_header_buffer = &header_buf },
+    );
     defer req.deinit();
 
-    try req.send(.{});
+    try req.send();
     try req.wait();
 
     const DLState = struct {