diff --git a/lib/zba-gdbstub b/lib/zba-gdbstub
index 81ff227..d7b8d7a 160000
--- a/lib/zba-gdbstub
+++ b/lib/zba-gdbstub
@@ -1 +1 @@
-Subproject commit 81ff227ea76d5b44a89e422e380e0fe15aec02aa
+Subproject commit d7b8d7acb15ce3518480c59218bf2c0a17fa529f
diff --git a/src/core/emu.zig b/src/core/emu.zig
index 422636e..3188e18 100644
--- a/src/core/emu.zig
+++ b/src/core/emu.zig
@@ -167,6 +167,7 @@ fn spinLoop(timer: *Timer, wake_time: u64) void {
 pub const EmuThing = struct {
     const Self = @This();
     const Interface = @import("gdbstub").Emulator;
+    const Allocator = std.mem.Allocator;
 
     cpu: *Arm7tdmi,
     scheduler: *Scheduler,
@@ -175,8 +176,8 @@ pub const EmuThing = struct {
         return .{ .cpu = cpu, .scheduler = scheduler };
     }
 
-    pub fn interface(self: *Self) Interface {
-        return Interface.init(self);
+    pub fn interface(self: *Self, allocator: Allocator) Interface {
+        return Interface.init(allocator, self);
     }
 
     pub fn read(self: *const Self, addr: u32) u8 {
diff --git a/src/main.zig b/src/main.zig
index b3a1a54..1f72bb1 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -92,8 +92,9 @@ pub fn main() void {
         const Server = @import("gdbstub").Server;
         const EmuThing = @import("core/emu.zig").EmuThing;
 
-        var emu_thing = EmuThing.init(&cpu, &scheduler);
-        const emulator = emu_thing.interface();
+        var wrapper = EmuThing.init(&cpu, &scheduler);
+        var emulator = wrapper.interface(allocator);
+        defer emulator.deinit();
 
         {
             const frames_per_second: usize = 60;