diff --git a/.github/workflows/zig_build.yml b/.github/workflows/zig_build.yml
index 49861a0a..eb1db35c 100644
--- a/.github/workflows/zig_build.yml
+++ b/.github/workflows/zig_build.yml
@@ -14,9 +14,7 @@ jobs:
         with:
           submodules: recursive
           fetch-depth: 0
-      - uses: goto-bus-stop/setup-zig@v2
-        with:
-          version: 0.12.0
+      - uses: mlugg/setup-zig@v1 # default latest-release version
 
       - name: Build Summary
         run: zig build -DBUILD_TESTS -DBUILD_EXAMPLES -DUSE_SYSTEM_MINIZIP --summary all -freference-trace
diff --git a/.gitignore b/.gitignore
index 4124b881..773d015d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -61,5 +61,5 @@ cmake
 
 .vscode
 
-zig-cache/
-zig-out/
\ No newline at end of file
+*zig-cache/
+zig-out/
diff --git a/build.zig b/build.zig
index a0a3d40d..efad9a0f 100644
--- a/build.zig
+++ b/build.zig
@@ -1,18 +1,13 @@
 const std = @import("std");
 
-// Although this function looks imperative, note that its job is to
-// declaratively construct a build graph that will be libcuted by an external
-// runner.
+const xlsxw_version: std.SemanticVersion = .{
+    .major = 1,
+    .minor = 1,
+    .patch = 9,
+};
+
 pub fn build(b: *std.Build) void {
-    // Standard target options allows the person running `zig build` to choose
-    // what target to build for. Here we do not override the defaults, which
-    // means any target is allowed, and the default is native. Other options
-    // for restricting supported target set are available.
     const target = b.standardTargetOptions(.{});
-
-    // Standard optimization options allow the person running `zig build` to select
-    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
-    // set a preferred release mode, allowing the user to decide how to optimize.
     const optimize = b.standardOptimizeOption(.{});
 
     const shared = b.option(bool, "SHARED_LIBRARY", "Build the Shared Library [default: false]") orelse false;
@@ -27,11 +22,7 @@ pub fn build(b: *std.Build) void {
         .name = "xlsxwriter",
         .target = target,
         .optimize = optimize,
-        .version = .{
-            .major = 1,
-            .minor = 1,
-            .patch = 7,
-        },
+        .version = xlsxw_version,
     }) else b.addStaticLibrary(.{
         .name = "xlsxwriter",
         .target = target,
@@ -95,17 +86,26 @@ pub fn build(b: *std.Build) void {
 
     // md5
     if (!md5)
-        lib.addCSourceFile(.{ .file = .{ .path = "third_party/md5/md5.c" }, .flags = cflags })
+        lib.addCSourceFile(.{
+            .file = b.path("third_party/md5/md5.c"),
+            .flags = cflags,
+        })
     else
         lib.linkSystemLibrary("crypto");
 
     // dtoa
     if (dtoa)
-        lib.addCSourceFile(.{ .file = b.path("third_party/dtoa/emyg_dtoa.c"), .flags = cflags });
+        lib.addCSourceFile(.{
+            .file = b.path("third_party/dtoa/emyg_dtoa.c"),
+            .flags = cflags,
+        });
 
     // tmpfileplus
     if (stdtmpfile)
-        lib.addCSourceFile(.{ .file = .{ .path = "third_party/tmpfileplus/tmpfileplus.c" }, .flags = cflags })
+        lib.addCSourceFile(.{
+            .file = b.path("third_party/tmpfileplus/tmpfileplus.c"),
+            .flags = cflags,
+        })
     else
         lib.defineCMacro("USE_STANDARD_TMPFILE", null);
 
@@ -253,10 +253,13 @@ fn buildExe(b: *std.Build, info: BuildInfo) void {
         .optimize = info.lib.root_module.optimize.?,
         .target = info.lib.root_module.resolved_target.?,
     });
-    exe.addCSourceFile(.{ .file = b.path(info.path), .flags = cflags });
+    exe.addCSourceFile(.{
+        .file = b.path(info.path),
+        .flags = cflags,
+    });
     exe.linkLibrary(info.lib);
     for (info.lib.root_module.include_dirs.items) |include| {
-        exe.root_module.include_dirs.append(b.allocator, include) catch {};
+        exe.root_module.include_dirs.append(b.allocator, include) catch @panic("OOM");
     }
     exe.linkLibC();
     b.installArtifact(exe);
@@ -281,8 +284,14 @@ fn buildTest(b: *std.Build, info: BuildInfo) void {
         .target = info.lib.root_module.resolved_target.?,
     });
     exe.defineCMacro("TESTING", null);
-    exe.addCSourceFile(.{ .file = b.path(info.path), .flags = cflags });
-    exe.addCSourceFile(.{ .file = b.path("test/unit/test_all.c"), .flags = cflags });
+    exe.addCSourceFile(.{
+        .file = b.path(info.path),
+        .flags = cflags,
+    });
+    exe.addCSourceFile(.{
+        .file = b.path("test/unit/test_all.c"),
+        .flags = cflags,
+    });
     exe.addIncludePath(b.path("test/unit"));
     for (info.lib.root_module.include_dirs.items) |include| {
         exe.root_module.include_dirs.append(b.allocator, include) catch {};
diff --git a/build.zig.zon b/build.zig.zon
index cb15792b..cc74b309 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -1,11 +1,10 @@
 .{
     .name = "libxlsxwriter",
-    .version = "1.1.7",
+    .version = "1.1.9",
     .dependencies = .{
         .zlib = .{
-            .url = "git+https://github.com/madler/zlib#0f51fb4933fc9ce18199cb2554dacea8033e7fd3",
-            .hash = "12204f12291d6eeb1e05f19d8ab0c7f46c9073fae4c3568dcae7aade149db0b45047",
-            .lazy = true,
+            .url = "git+https://github.com/madler/zlib#v1.3.1",
+            .hash = "1220fed0c74e1019b3ee29edae2051788b080cd96e90d56836eea857b0b966742efb",
         },
     },
     .paths = .{
@@ -13,6 +12,9 @@
         "build.zig.zon",
         "Readme.md",
         "License.txt",
+        "src",
+        "include",
+        "third_party",
     },
 }
 //syntax tip: zig - anon struct (json-like)