diff --git a/compiled_starters/zig/.codecrafters/run.sh b/compiled_starters/zig/.codecrafters/run.sh
index b7cab59..18ffaf9 100755
--- a/compiled_starters/zig/.codecrafters/run.sh
+++ b/compiled_starters/zig/.codecrafters/run.sh
@@ -8,4 +8,4 @@
 
 set -e # Exit on failure
 
-exec $(dirname $0)/zig-out/bin/main "$@"
+exec "$(dirname "$0")"/zig-out/bin/main "$@"
diff --git a/compiled_starters/zig/README.md b/compiled_starters/zig/README.md
index 56373de..1affc4f 100644
--- a/compiled_starters/zig/README.md
+++ b/compiled_starters/zig/README.md
@@ -29,7 +29,7 @@ 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 6f04e8a..8891635 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/codecrafters.yml b/compiled_starters/zig/codecrafters.yml
index 7bb803b..77a7f76 100644
--- a/compiled_starters/zig/codecrafters.yml
+++ b/compiled_starters/zig/codecrafters.yml
@@ -7,5 +7,5 @@ debug: false
 # Use this to change the Zig version used to run your code
 # on Codecrafters.
 #
-# Available versions: zig-0.14
-buildpack: zig-0.14
+# Available versions: zig-0.15
+buildpack: zig-0.15
diff --git a/compiled_starters/zig/src/main.zig b/compiled_starters/zig/src/main.zig
index c31a418..e5d80df 100755
--- a/compiled_starters/zig/src/main.zig
+++ b/compiled_starters/zig/src/main.zig
@@ -8,8 +8,13 @@ pub fn main() !void {
     const args = try std.process.argsAlloc(allocator);
     defer std.process.argsFree(allocator, args);
 
+    var stdout_buffer: [1024]u8 = undefined;
+    var stdout_writer = std.fs.File.stdout().writer(&stdout_buffer);
+    const stdout = &stdout_writer.interface;
+
     if (args.len < 3) {
-        try std.io.getStdErr().writer().print("Usage: {s} <database_file_path> <command>\n", .{args[0]});
+        try stdout.print("Usage: {s} <database_file_path> <command>\n", .{args[0]});
+        try stdout.flush();
         return;
     }
 
@@ -28,6 +33,7 @@ pub fn main() !void {
         // _ = try file.seekTo(16);
         // _ = try file.read(&buf);
         // const page_size = std.mem.readInt(u16, &buf, .big);
-        // try std.io.getStdOut().writer().print("database page size: {}\n", .{page_size});
+        // try stdout.print("database page size: {}\n", .{page_size});
+        // try stdout.flush();
     }
 }
diff --git a/compiled_starters/zig/your_program.sh b/compiled_starters/zig/your_program.sh
index cb84633..9691601 100755
--- a/compiled_starters/zig/your_program.sh
+++ b/compiled_starters/zig/your_program.sh
@@ -21,4 +21,4 @@ set -e # Exit early if any commands fail
 #
 # - Edit this to change how your program runs locally
 # - Edit .codecrafters/run.sh to change how your program runs remotely
-exec $(dirname $0)/zig-out/bin/main "$@"
+exec "$(dirname "$0")"/zig-out/bin/main "$@"
diff --git a/dockerfiles/zig-0.15.Dockerfile b/dockerfiles/zig-0.15.Dockerfile
new file mode 100644
index 0000000..1bb31e8
--- /dev/null
+++ b/dockerfiles/zig-0.15.Dockerfile
@@ -0,0 +1,30 @@
+# syntax=docker/dockerfile:1.7-labs
+FROM debian:bookworm
+
+RUN apt-get update && \
+    apt-get install --no-install-recommends -y xz-utils=5.4.1-1 && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Download and install Zig
+RUN curl -O https://ziglang.org/download/0.15.1/zig-x86_64-linux-0.15.1.tar.xz \
+    && tar -xf zig-x86_64-linux-0.15.1.tar.xz \
+    && mv zig-x86_64-linux-0.15.1 /usr/local/zig \
+    && rm zig-x86_64-linux-0.15.1.tar.xz
+
+# Add Zig to PATH
+ENV PATH="/usr/local/zig:${PATH}"
+
+ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="build.zig,build.zig.zon"
+
+WORKDIR /app
+
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
+
+# This runs zig build
+RUN .codecrafters/compile.sh
+
+# Cache build directory
+RUN mkdir -p /app-cached
+RUN mv /app/.zig-cache /app-cached/.zig-cache || true
diff --git a/solutions/zig/01-dr6/code/.codecrafters/run.sh b/solutions/zig/01-dr6/code/.codecrafters/run.sh
index b7cab59..18ffaf9 100755
--- a/solutions/zig/01-dr6/code/.codecrafters/run.sh
+++ b/solutions/zig/01-dr6/code/.codecrafters/run.sh
@@ -8,4 +8,4 @@
 
 set -e # Exit on failure
 
-exec $(dirname $0)/zig-out/bin/main "$@"
+exec "$(dirname "$0")"/zig-out/bin/main "$@"
diff --git a/solutions/zig/01-dr6/code/README.md b/solutions/zig/01-dr6/code/README.md
index 56373de..1affc4f 100644
--- a/solutions/zig/01-dr6/code/README.md
+++ b/solutions/zig/01-dr6/code/README.md
@@ -29,7 +29,7 @@ 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-dr6/code/build.zig b/solutions/zig/01-dr6/code/build.zig
index d211b57..0eccf2a 100644
--- a/solutions/zig/01-dr6/code/build.zig
+++ b/solutions/zig/01-dr6/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-dr6/code/build.zig.zon b/solutions/zig/01-dr6/code/build.zig.zon
index 6f04e8a..8891635 100644
--- a/solutions/zig/01-dr6/code/build.zig.zon
+++ b/solutions/zig/01-dr6/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-dr6/code/codecrafters.yml b/solutions/zig/01-dr6/code/codecrafters.yml
index 7bb803b..77a7f76 100644
--- a/solutions/zig/01-dr6/code/codecrafters.yml
+++ b/solutions/zig/01-dr6/code/codecrafters.yml
@@ -7,5 +7,5 @@ debug: false
 # Use this to change the Zig version used to run your code
 # on Codecrafters.
 #
-# Available versions: zig-0.14
-buildpack: zig-0.14
+# Available versions: zig-0.15
+buildpack: zig-0.15
diff --git a/solutions/zig/01-dr6/code/src/main.zig b/solutions/zig/01-dr6/code/src/main.zig
index 6c09beb..26d9aee 100755
--- a/solutions/zig/01-dr6/code/src/main.zig
+++ b/solutions/zig/01-dr6/code/src/main.zig
@@ -8,8 +8,13 @@ pub fn main() !void {
     const args = try std.process.argsAlloc(allocator);
     defer std.process.argsFree(allocator, args);
 
+    var stdout_buffer: [1024]u8 = undefined;
+    var stdout_writer = std.fs.File.stdout().writer(&stdout_buffer);
+    const stdout = &stdout_writer.interface;
+
     if (args.len < 3) {
-        try std.io.getStdErr().writer().print("Usage: {s} <database_file_path> <command>\n", .{args[0]});
+        try stdout.print("Usage: {s} <database_file_path> <command>\n", .{args[0]});
+        try stdout.flush();
         return;
     }
 
@@ -24,6 +29,7 @@ pub fn main() !void {
         _ = try file.seekTo(16);
         _ = try file.read(&buf);
         const page_size = std.mem.readInt(u16, &buf, .big);
-        try std.io.getStdOut().writer().print("database page size: {}\n", .{page_size});
+        try stdout.print("database page size: {}\n", .{page_size});
+        try stdout.flush();
     }
 }
diff --git a/solutions/zig/01-dr6/code/your_program.sh b/solutions/zig/01-dr6/code/your_program.sh
index cb84633..9691601 100755
--- a/solutions/zig/01-dr6/code/your_program.sh
+++ b/solutions/zig/01-dr6/code/your_program.sh
@@ -21,4 +21,4 @@ set -e # Exit early if any commands fail
 #
 # - Edit this to change how your program runs locally
 # - Edit .codecrafters/run.sh to change how your program runs remotely
-exec $(dirname $0)/zig-out/bin/main "$@"
+exec "$(dirname "$0")"/zig-out/bin/main "$@"
diff --git a/solutions/zig/01-dr6/diff/src/main.zig.diff b/solutions/zig/01-dr6/diff/src/main.zig.diff
index 39d27cc..c05a28a 100644
--- a/solutions/zig/01-dr6/diff/src/main.zig.diff
+++ b/solutions/zig/01-dr6/diff/src/main.zig.diff
@@ -1,6 +1,4 @@
-@@ -1,33 +1,29 @@
- const std = @import("std");
-
+@@ -3,37 +3,33 @@
  pub fn main() !void {
      var gpa = std.heap.GeneralPurposeAllocator(.{}){};
      defer _ = gpa.deinit();
@@ -9,8 +7,13 @@
      const args = try std.process.argsAlloc(allocator);
      defer std.process.argsFree(allocator, args);
 
+     var stdout_buffer: [1024]u8 = undefined;
+     var stdout_writer = std.fs.File.stdout().writer(&stdout_buffer);
+     const stdout = &stdout_writer.interface;
+
      if (args.len < 3) {
-         try std.io.getStdErr().writer().print("Usage: {s} <database_file_path> <command>\n", .{args[0]});
+         try stdout.print("Usage: {s} <database_file_path> <command>\n", .{args[0]});
+         try stdout.flush();
          return;
      }
 
@@ -29,11 +32,13 @@
 -        // _ = try file.seekTo(16);
 -        // _ = try file.read(&buf);
 -        // const page_size = std.mem.readInt(u16, &buf, .big);
--        // try std.io.getStdOut().writer().print("database page size: {}\n", .{page_size});
+-        // try stdout.print("database page size: {}\n", .{page_size});
+-        // try stdout.flush();
 +        var buf: [2]u8 = undefined;
 +        _ = try file.seekTo(16);
 +        _ = try file.read(&buf);
 +        const page_size = std.mem.readInt(u16, &buf, .big);
-+        try std.io.getStdOut().writer().print("database page size: {}\n", .{page_size});
++        try stdout.print("database page size: {}\n", .{page_size});
++        try stdout.flush();
      }
  }
diff --git a/solutions/zig/01-dr6/explanation.md b/solutions/zig/01-dr6/explanation.md
index 0be4263..195b465 100644
--- a/solutions/zig/01-dr6/explanation.md
+++ b/solutions/zig/01-dr6/explanation.md
@@ -8,7 +8,8 @@ var buf: [2]u8 = undefined;
 _ = try file.seekTo(16);
 _ = try file.read(&buf);
 const page_size = std.mem.readInt(u16, &buf, .big);
-try std.io.getStdOut().writer().print("database page size: {}\n", .{page_size});
+try stdout.print("database page size: {}\n", .{page_size});
+try stdout.flush();
 ```
 
 Push your changes to pass the first stage:
diff --git a/starter_templates/zig/code/.codecrafters/run.sh b/starter_templates/zig/code/.codecrafters/run.sh
index b7cab59..18ffaf9 100755
--- a/starter_templates/zig/code/.codecrafters/run.sh
+++ b/starter_templates/zig/code/.codecrafters/run.sh
@@ -8,4 +8,4 @@
 
 set -e # Exit on failure
 
-exec $(dirname $0)/zig-out/bin/main "$@"
+exec "$(dirname "$0")"/zig-out/bin/main "$@"
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 6f04e8a..8891635 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 c31a418..e5d80df 100755
--- a/starter_templates/zig/code/src/main.zig
+++ b/starter_templates/zig/code/src/main.zig
@@ -8,8 +8,13 @@ pub fn main() !void {
     const args = try std.process.argsAlloc(allocator);
     defer std.process.argsFree(allocator, args);
 
+    var stdout_buffer: [1024]u8 = undefined;
+    var stdout_writer = std.fs.File.stdout().writer(&stdout_buffer);
+    const stdout = &stdout_writer.interface;
+
     if (args.len < 3) {
-        try std.io.getStdErr().writer().print("Usage: {s} <database_file_path> <command>\n", .{args[0]});
+        try stdout.print("Usage: {s} <database_file_path> <command>\n", .{args[0]});
+        try stdout.flush();
         return;
     }
 
@@ -28,6 +33,7 @@ pub fn main() !void {
         // _ = try file.seekTo(16);
         // _ = try file.read(&buf);
         // const page_size = std.mem.readInt(u16, &buf, .big);
-        // try std.io.getStdOut().writer().print("database page size: {}\n", .{page_size});
+        // try stdout.print("database page size: {}\n", .{page_size});
+        // try stdout.flush();
     }
 }
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