diff --git a/src/macos/packages.zig b/src/macos/packages.zig
index 39cf298..4d4d4a4 100644
--- a/src/macos/packages.zig
+++ b/src/macos/packages.zig
@@ -1,13 +1,13 @@
 const std = @import("std");
 const utils = @import("../utils.zig");
 
-pub fn getPackagesInfo(allocator: std.mem.Allocator) ![]const u8 {
+pub fn getPackagesInfo(allocator: std.mem.Allocator, io: std.Io) ![]const u8 {
     var packages_info = std.array_list.Managed(u8).init(allocator);
     defer packages_info.deinit();
 
-    const homebrew_packages = countHomebrewPackages() catch |err| if (err == error.FileNotFound) 0 else return err;
-    const homebrew_casks = countHomebrewCasks() catch |err| if (err == error.FileNotFound) 0 else return err;
-    const macports_packages = countMacportPackages() catch |err| if (err == error.FileNotFound) 0 else return err;
+    const homebrew_packages = countHomebrewPackages(io) catch |err| if (err == error.FileNotFound) 0 else return err;
+    const homebrew_casks = countHomebrewCasks(io) catch |err| if (err == error.FileNotFound) 0 else return err;
+    const macports_packages = countMacportPackages(io) catch |err| if (err == error.FileNotFound) 0 else return err;
 
     var buffer: [32]u8 = undefined;
 
@@ -26,14 +26,14 @@ pub fn getPackagesInfo(allocator: std.mem.Allocator) ![]const u8 {
     return try allocator.dupe(u8, packages_info.items);
 }
 
-fn countHomebrewPackages() !usize {
-    return try utils.countEntries("/opt/homebrew/Cellar");
+fn countHomebrewPackages(io: std.Io) !usize {
+    return try utils.countEntries(io, "/opt/homebrew/Cellar");
 }
 
-fn countHomebrewCasks() !usize {
-    return try utils.countEntries("/opt/homebrew/Caskroom");
+fn countHomebrewCasks(io: std.Io) !usize {
+    return try utils.countEntries(io, "/opt/homebrew/Caskroom");
 }
 
-fn countMacportPackages() !usize {
-    return try utils.countEntries("/opt/local/bin");
+fn countMacportPackages(io: std.Io) !usize {
+    return try utils.countEntries(io, "/opt/local/bin");
 }
diff --git a/src/utils.zig b/src/utils.zig
index 8d9bfd3..f376ccb 100644
--- a/src/utils.zig
+++ b/src/utils.zig
@@ -9,7 +9,7 @@ pub const TermSize = struct {
 pub fn getTerminalSize() !TermSize {
     // https://github.com/softprops/zig-termsize (https://github.com/softprops/zig-termsize/blob/main/src/main.zig)
 
-    const stdout = std.fs.File.stdout();
+    const stdout = std.Io.File.stdout();
 
     switch (builtin.os.tag) {
         .windows => {
@@ -126,14 +126,14 @@ pub fn readFile(allocator: std.mem.Allocator, io: std.Io, file: std.Io.File, siz
     return allocator.dupe(u8, data);
 }
 
-pub fn countEntries(dir_path: []const u8) !usize {
-    var dir = try std.fs.openDirAbsolute(dir_path, .{ .iterate = true });
-    defer dir.close();
+pub fn countEntries(io: std.Io, dir_path: []const u8) !usize {
+    var dir = try std.Io.Dir.openDirAbsolute(io, dir_path, .{ .iterate = true });
+    defer dir.close(io);
 
     var count: usize = 0;
     var iter = dir.iterate();
 
-    while (try iter.next()) |_| {
+    while (try iter.next(io)) |_| {
         count += 1;
     }