diff --git a/lib/std/Io/Threaded/test.zig b/lib/std/Io/Threaded/test.zig
index 16afae7b63af7148fe6f536098f97e08f28ef2b3..9c54c3af1f98315722bab9202a032d6352e5118c 100644
--- a/lib/std/Io/Threaded/test.zig
+++ b/lib/std/Io/Threaded/test.zig
@@ -6,6 +6,11 @@ const testing = std.testing;
 const assert = std.debug.assert;
 
 test "concurrent vs main prevents deadlock via oversubscription" {
+    if (true) {
+        // https://codeberg.org/ziglang/zig/issues/30141
+        return error.SkipZigTest;
+    }
+
     var threaded: Io.Threaded = .init(std.testing.allocator);
     defer threaded.deinit();
     const io = threaded.io();
@@ -34,6 +39,11 @@ fn get(io: Io, queue: *Io.Queue(u8)) void {
 }
 
 test "concurrent vs concurrent prevents deadlock via oversubscription" {
+    if (true) {
+        // https://codeberg.org/ziglang/zig/issues/30141
+        return error.SkipZigTest;
+    }
+
     var threaded: Io.Threaded = .init(std.testing.allocator);
     defer threaded.deinit();
     const io = threaded.io();