diff --git a/Dockerfile b/Dockerfile
index ecb78ff..2c69585 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
-FROM ghcr.io/wiiu-env/devkitppc:20230417
+FROM ghcr.io/wiiu-env/devkitppc:20230621
 
 WORKDIR project
\ No newline at end of file
diff --git a/src/imports.h b/src/imports.h
index b5bf0c4..7eff504 100644
--- a/src/imports.h
+++ b/src/imports.h
@@ -59,6 +59,7 @@ IMPORT(OSGetThreadSpecific);
 IMPORT(OSSetThreadSpecific);
 IMPORT(OSReport);
 IMPORT(OSSwapAtomic);
+IMPORT(OSIsDebuggerPresent);
 
 IMPORT(exit);
 IMPORT(_Exit);
diff --git a/src/main.cpp b/src/main.cpp
index 89c3df7..c595a2c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -90,6 +90,10 @@ extern "C" uint32_t start_wrapper(int argc, char **argv) {
     return entryPoint;
 }
 
+extern "C" struct _reent *__syscall_getreent(void) {
+    return _impure_ptr;
+}
+
 extern "C" int _start(int argc, char **argv) {
     uint32_t entryPoint = start_wrapper(argc, argv);