diff --git a/compiled_starters/zig/README.md b/compiled_starters/zig/README.md
index b59e991..202fce2 100644
--- a/compiled_starters/zig/README.md
+++ b/compiled_starters/zig/README.md
@@ -30,7 +30,7 @@ Time to move on to the next stage!
 
 Note: This section is for stages 2 and beyond.
 
-1. Ensure you have `zig (0.14)` installed locally
+1. Ensure you have `zig (0.15)` installed locally
 1. Run `./your_program.sh` to run your program, which is implemented in
    `src/main.zig`.
 1. Commit your changes and run `git push origin master` to submit your solution
diff --git a/compiled_starters/zig/build.zig b/compiled_starters/zig/build.zig
index d211b57..0eccf2a 100644
--- a/compiled_starters/zig/build.zig
+++ b/compiled_starters/zig/build.zig
@@ -4,9 +4,10 @@ const std = @import("std");
 pub fn build(b: *std.Build) void {
     const exe = b.addExecutable(.{
         .name = "main",
-        .root_source_file = b.path("src/main.zig"),
-        .target = b.standardTargetOptions(.{}),
-        .optimize = b.standardOptimizeOption(.{}),
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/main.zig"),
+            .target = b.graph.host,
+        }),
     });
 
     // This declares intent for the executable to be installed into the
diff --git a/compiled_starters/zig/build.zig.zon b/compiled_starters/zig/build.zig.zon
index e424a22..fadb223 100644
--- a/compiled_starters/zig/build.zig.zon
+++ b/compiled_starters/zig/build.zig.zon
@@ -9,7 +9,7 @@
     // This field is optional.
     // This is currently advisory only; Zig does not yet do anything
     // with this value.
-    .minimum_zig_version = "0.14.0",
+    .minimum_zig_version = "0.15.1",
 
     // This field is optional.
     // Each dependency must either provide a `url` and `hash`, or a `path`.
diff --git a/compiled_starters/zig/src/main.zig b/compiled_starters/zig/src/main.zig
index 5e420bc..0e9e05c 100644
--- a/compiled_starters/zig/src/main.zig
+++ b/compiled_starters/zig/src/main.zig
@@ -2,10 +2,8 @@ const std = @import("std");
 const net = std.net;
 
 pub fn main() !void {
-    const stdout = std.io.getStdOut().writer();
-
     // You can use print statements as follows for debugging, they'll be visible when running tests.
-    try stdout.print("Logs from your program will appear here!\n", .{});
+    std.debug.print("Logs from your program will appear here!\n", .{});
 
     // Uncomment this block to pass the first stage
     // const address = try net.Address.resolveIp("127.0.0.1", 4221);
@@ -15,5 +13,5 @@ pub fn main() !void {
     // defer listener.deinit();
     //
     // _ = try listener.accept();
-    // try stdout.print("client connected!", .{});
+    // std.debug.print("client connected!", .{});
 }
diff --git a/solutions/zig/01-at4/code/README.md b/solutions/zig/01-at4/code/README.md
index b59e991..202fce2 100644
--- a/solutions/zig/01-at4/code/README.md
+++ b/solutions/zig/01-at4/code/README.md
@@ -30,7 +30,7 @@ Time to move on to the next stage!
 
 Note: This section is for stages 2 and beyond.
 
-1. Ensure you have `zig (0.14)` installed locally
+1. Ensure you have `zig (0.15)` installed locally
 1. Run `./your_program.sh` to run your program, which is implemented in
    `src/main.zig`.
 1. Commit your changes and run `git push origin master` to submit your solution
diff --git a/solutions/zig/01-at4/code/build.zig b/solutions/zig/01-at4/code/build.zig
index d211b57..0eccf2a 100644
--- a/solutions/zig/01-at4/code/build.zig
+++ b/solutions/zig/01-at4/code/build.zig
@@ -4,9 +4,10 @@ const std = @import("std");
 pub fn build(b: *std.Build) void {
     const exe = b.addExecutable(.{
         .name = "main",
-        .root_source_file = b.path("src/main.zig"),
-        .target = b.standardTargetOptions(.{}),
-        .optimize = b.standardOptimizeOption(.{}),
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/main.zig"),
+            .target = b.graph.host,
+        }),
     });
 
     // This declares intent for the executable to be installed into the
diff --git a/solutions/zig/01-at4/code/build.zig.zon b/solutions/zig/01-at4/code/build.zig.zon
index e424a22..fadb223 100644
--- a/solutions/zig/01-at4/code/build.zig.zon
+++ b/solutions/zig/01-at4/code/build.zig.zon
@@ -9,7 +9,7 @@
     // This field is optional.
     // This is currently advisory only; Zig does not yet do anything
     // with this value.
-    .minimum_zig_version = "0.14.0",
+    .minimum_zig_version = "0.15.1",
 
     // This field is optional.
     // Each dependency must either provide a `url` and `hash`, or a `path`.
diff --git a/solutions/zig/01-at4/code/src/main.zig b/solutions/zig/01-at4/code/src/main.zig
index 9a6af99..ae3159e 100644
--- a/solutions/zig/01-at4/code/src/main.zig
+++ b/solutions/zig/01-at4/code/src/main.zig
@@ -2,8 +2,6 @@ const std = @import("std");
 const net = std.net;
 
 pub fn main() !void {
-    const stdout = std.io.getStdOut().writer();
-
     const address = try net.Address.resolveIp("127.0.0.1", 4221);
     var listener = try address.listen(.{
         .reuse_address = true,
@@ -11,5 +9,5 @@ pub fn main() !void {
     defer listener.deinit();
 
     _ = try listener.accept();
-    try stdout.print("client connected!", .{});
+    std.debug.print("client connected!", .{});
 }
diff --git a/solutions/zig/01-at4/diff/src/main.zig.diff b/solutions/zig/01-at4/diff/src/main.zig.diff
index 6b8bfd4..c587eee 100644
--- a/solutions/zig/01-at4/diff/src/main.zig.diff
+++ b/solutions/zig/01-at4/diff/src/main.zig.diff
@@ -1,12 +1,10 @@
-@@ -1,19 +1,15 @@
+@@ -1,17 +1,13 @@
  const std = @import("std");
  const net = std.net;
 
  pub fn main() !void {
-     const stdout = std.io.getStdOut().writer();
-
 -    // You can use print statements as follows for debugging, they'll be visible when running tests.
--    try stdout.print("Logs from your program will appear here!\n", .{});
+-    std.debug.print("Logs from your program will appear here!\n", .{});
 +    const address = try net.Address.resolveIp("127.0.0.1", 4221);
 +    var listener = try address.listen(.{
 +        .reuse_address = true,
@@ -21,7 +19,7 @@
 -    // defer listener.deinit();
 -    //
 -    // _ = try listener.accept();
--    // try stdout.print("client connected!", .{});
+-    // std.debug.print("client connected!", .{});
 +    _ = try listener.accept();
-+    try stdout.print("client connected!", .{});
++    std.debug.print("client connected!", .{});
  }
diff --git a/solutions/zig/01-at4/explanation.md b/solutions/zig/01-at4/explanation.md
index 1069a40..66477e4 100644
--- a/solutions/zig/01-at4/explanation.md
+++ b/solutions/zig/01-at4/explanation.md
@@ -11,7 +11,7 @@ var listener = try address.listen(.{
 defer listener.deinit();
 
 _ = try listener.accept();
-try stdout.print("client connected!", .{});
+std.debug.print("client connected!", .{});
 ```
 
 Push your changes to pass the first stage:
diff --git a/starter_templates/zig/code/build.zig b/starter_templates/zig/code/build.zig
index d211b57..0eccf2a 100644
--- a/starter_templates/zig/code/build.zig
+++ b/starter_templates/zig/code/build.zig
@@ -4,9 +4,10 @@ const std = @import("std");
 pub fn build(b: *std.Build) void {
     const exe = b.addExecutable(.{
         .name = "main",
-        .root_source_file = b.path("src/main.zig"),
-        .target = b.standardTargetOptions(.{}),
-        .optimize = b.standardOptimizeOption(.{}),
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/main.zig"),
+            .target = b.graph.host,
+        }),
     });
 
     // This declares intent for the executable to be installed into the
diff --git a/starter_templates/zig/code/build.zig.zon b/starter_templates/zig/code/build.zig.zon
index e424a22..fadb223 100644
--- a/starter_templates/zig/code/build.zig.zon
+++ b/starter_templates/zig/code/build.zig.zon
@@ -9,7 +9,7 @@
     // This field is optional.
     // This is currently advisory only; Zig does not yet do anything
     // with this value.
-    .minimum_zig_version = "0.14.0",
+    .minimum_zig_version = "0.15.1",
 
     // This field is optional.
     // Each dependency must either provide a `url` and `hash`, or a `path`.
diff --git a/starter_templates/zig/code/src/main.zig b/starter_templates/zig/code/src/main.zig
index 5e420bc..0e9e05c 100644
--- a/starter_templates/zig/code/src/main.zig
+++ b/starter_templates/zig/code/src/main.zig
@@ -2,10 +2,8 @@ const std = @import("std");
 const net = std.net;
 
 pub fn main() !void {
-    const stdout = std.io.getStdOut().writer();
-
     // You can use print statements as follows for debugging, they'll be visible when running tests.
-    try stdout.print("Logs from your program will appear here!\n", .{});
+    std.debug.print("Logs from your program will appear here!\n", .{});
 
     // Uncomment this block to pass the first stage
     // const address = try net.Address.resolveIp("127.0.0.1", 4221);
@@ -15,5 +13,5 @@ pub fn main() !void {
     // defer listener.deinit();
     //
     // _ = try listener.accept();
-    // try stdout.print("client connected!", .{});
+    // std.debug.print("client connected!", .{});
 }
diff --git a/starter_templates/zig/config.yml b/starter_templates/zig/config.yml
index a113b98..fda894a 100644
--- a/starter_templates/zig/config.yml
+++ b/starter_templates/zig/config.yml
@@ -1,3 +1,3 @@
 attributes:
-  required_executable: zig (0.14)
+  required_executable: zig (0.15)
   user_editable_file: src/main.zig