diff --git a/src/scan.zig b/src/scan.zig
index 209c9e9..03dfdf6 100644
--- a/src/scan.zig
+++ b/src/scan.zig
@@ -13,9 +13,9 @@ const c = @import("c.zig").c;
 
 
 // This function only works on Linux
-fn isKernfs(dir: std.fs.Dir) bool {
+fn isKernfs(dir: std.Io.Dir) bool {
     var buf: c.struct_statfs = undefined;
-    if (c.fstatfs(dir.fd, &buf) != 0) return false; // silently ignoring errors isn't too nice.
+    if (c.fstatfs(dir.handle, &buf) != 0) return false; // silently ignoring errors isn't too nice.
     const iskern = switch (util.castTruncate(u32, buf.f_type)) {
         // These numbers are documented in the Linux 'statfs(2)' man page, so I assume they're stable.
         0x42494e4d, // BINFMTFS_MAGIC
@@ -142,9 +142,9 @@ pub fn statAt(parent: std.Io.Dir, name: [:0]const u8, follow: bool, symlink: ?*b
 }
 
 
-fn isCacheDir(dir: std.fs.Dir) bool {
+fn isCacheDir(dir: std.Io.Dir) bool {
     const sig = "Signature: 8a477f597d28d172789f06886806bc55";
-    const f = dir.openFileZ("CACHEDIR.TAG", .{}) catch return false;
+    const f = dir.openFile(main.io, "CACHEDIR.TAG", .{}) catch return false;
     defer f.close();
     var buf: [sig.len]u8 = undefined;
     const len = f.readAll(&buf) catch return false;
@@ -210,13 +210,13 @@ const State = struct {
 
 
 const Dir = struct {
-    fd: std.fs.Dir,
+    fd: std.Io.Dir,
     dev: u64,
     pat: exclude.Patterns,
-    it: std.fs.Dir.Iterator,
+    it: std.Io.Dir.Iterator,
     sink: *sink.Dir,
 
-    fn create(fd: std.fs.Dir, dev: u64, pat: exclude.Patterns, s: *sink.Dir) *Dir {
+    fn create(fd: std.Io.Dir, dev: u64, pat: exclude.Patterns, s: *sink.Dir) *Dir {
         const d = main.allocator.create(Dir) catch unreachable;
         d.* = .{
             .fd = fd,
@@ -230,7 +230,7 @@ const Dir = struct {
 
     fn destroy(d: *Dir, t: *Thread) void {
         d.pat.deinit();
-        d.fd.close();
+        d.fd.close(main.io);
         d.sink.unref(t.sink);
         main.allocator.destroy(d);
     }
@@ -295,7 +295,7 @@ const Thread = struct {
             return;
         }
 
-        var edir = dir.fd.openDirZ(name, .{ .no_follow = true, .iterate = true }) catch {
+        var edir = dir.fd.openDir(main.io, name, .{ .follow_symlinks = false, .iterate = true }) catch {
             const s = dir.sink.addDir(t.sink, name, &stat);
             s.setReadError(t.sink);
             s.unref(t.sink);
@@ -307,14 +307,14 @@ const Thread = struct {
             and stat.dev != dir.dev
             and isKernfs(edir)
         ) {
-            edir.close();
+            edir.close(main.io);
             dir.sink.addSpecial(t.sink, name, .kernfs);
             return;
         }
 
         if (main.config.exclude_caches and isCacheDir(edir)) {
             dir.sink.addSpecial(t.sink, name, .pattern);
-            edir.close();
+            edir.close(main.io);
             return;
         }
 
@@ -335,7 +335,7 @@ const Thread = struct {
                 t.sink.setDir(d.sink);
                 if (t.thread_num == 0) main.handleEvent(false, false);
 
-                const entry = d.it.next() catch blk: {
+                const entry = d.it.next(main.io) catch blk: {
                     dir.sink.setReadError(t.sink);
                     break :blk null;
                 };