diff --git a/community/newlib/0002-or1k-missing-include.patch b/community/newlib/0002-or1k-missing-include.patch
new file mode 100644
index 00000000000..9cbe902e3ac
--- /dev/null
+++ b/community/newlib/0002-or1k-missing-include.patch
@@ -0,0 +1,13 @@
+mlock.c calls into a function from libgloss without including the header.
+We add the relative path to the header here instead of adding the libgloss
+includes to include paths to keep the patch short.
+--- a/newlib/libc/sys/or1k/mlock.c	2023-12-31 18:00:18.000000000 +0100
++++ b/newlib/libc/sys/or1k/mlock.c	2024-05-09 13:26:08.523124156 +0200
+@@ -17,6 +17,7 @@
+ 
+ #include <reent.h>
+ #include <stdint.h>
++#include "../../../../libgloss/or1k/include/or1k-support.h"
+ 
+ /* Lock calls from different cores, but allows recursive calls from the same
+  * core. The lock is not only atomic to other cores calling malloc, but also
diff --git a/community/newlib/0003-or1k-fix-uart-irq-handler-signature.patch b/community/newlib/0003-or1k-fix-uart-irq-handler-signature.patch
new file mode 100644
index 00000000000..eeaa40d99a0
--- /dev/null
+++ b/community/newlib/0003-or1k-fix-uart-irq-handler-signature.patch
@@ -0,0 +1,24 @@
+The IRQ handler signature does not match the expected signature, so let's
+fix that. The data argument is unused anyway.
+--- a/libgloss/or1k/or1k_uart.c	2024-05-09 13:34:05.290587255 +0200
++++ b/libgloss/or1k/or1k_uart.c	2024-05-09 13:33:36.794072659 +0200
+@@ -90,7 +90,7 @@ void (*_or1k_uart_read_cb)(char c);
+  * This is the interrupt handler that is registered for the callback
+  * function.
+  */
+-void _or1k_uart_interrupt_handler(uint32_t data)
++void _or1k_uart_interrupt_handler(void *data)
+ {
+ 	uint8_t iir = REG8(IIR);
+ 
+--- a/libgloss/or1k/or1k_uart.h	2024-05-09 13:34:40.180397343 +0200
++++ b/libgloss/or1k/or1k_uart.h	2024-05-09 13:33:36.794072659 +0200
+@@ -30,7 +30,7 @@ extern void (*_or1k_uart_read_cb)(char c
+ /**
+  * The UART interrupt handler
+  */
+-void _or1k_uart_interrupt_handler(uint32_t data);
++void _or1k_uart_interrupt_handler(void *data);
+ 
+ /**
+  * Initialize UART
diff --git a/community/newlib/0004-or1k-drop-invalid-cast.patch b/community/newlib/0004-or1k-drop-invalid-cast.patch
new file mode 100644
index 00000000000..79c8a63e138
--- /dev/null
+++ b/community/newlib/0004-or1k-drop-invalid-cast.patch
@@ -0,0 +1,17 @@
+Storing a void pointer into a void pointer variable does not need an
+intermediate cast to uint32_t and is frowned upon by modern C compilers.
+--- a/libgloss/or1k/interrupts.c	2024-05-09 13:37:00.289629242 +0200
++++ b/libgloss/or1k/interrupts.c	2024-05-09 13:35:29.896791467 +0200
+@@ -35,10 +35,10 @@ void or1k_interrupt_handler_add(uint32_t
+ {
+ #ifdef __OR1K_MULTICORE__
+ 	_or1k_interrupt_handler_table[or1k_coreid()][id] = handler;
+-	_or1k_interrupt_handler_data_ptr_table[or1k_coreid()][id] = (uint32_t) data_ptr;
++	_or1k_interrupt_handler_data_ptr_table[or1k_coreid()][id] = data_ptr;
+ #else
+ 	_or1k_interrupt_handler_table[id] = handler;
+-	_or1k_interrupt_handler_data_ptr_table[id] = (uint32_t) data_ptr;
++	_or1k_interrupt_handler_data_ptr_table[id] = data_ptr;
+ #endif
+ }
+ 
diff --git a/community/newlib/0005-or1k-add-missing-cast.patch b/community/newlib/0005-or1k-add-missing-cast.patch
new file mode 100644
index 00000000000..881cb23e193
--- /dev/null
+++ b/community/newlib/0005-or1k-add-missing-cast.patch
@@ -0,0 +1,13 @@
+This adds a missing cast. uintptr_t would have been better here than uint32_t,
+but the code is not intended to be portable anyway.
+--- a/libgloss/or1k/sbrk.c	2024-05-09 13:38:08.089257549 +0200
++++ b/libgloss/or1k/sbrk.c	2024-05-09 13:35:29.896791467 +0200
+@@ -20,7 +20,7 @@
+ #include "include/or1k-support.h"
+ 
+ extern uint32_t	end; /* Set by linker.  */
+-uint32_t _or1k_heap_start = &end;
++uint32_t _or1k_heap_start = (uint32_t)&end;
+ uint32_t _or1k_heap_end;
+ 
+ void *
diff --git a/community/newlib/APKBUILD b/community/newlib/APKBUILD
index 06ed727a1b4..b9be94f1d8c 100644
--- a/community/newlib/APKBUILD
+++ b/community/newlib/APKBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
 pkgname=newlib
-pkgver=4.3.0.20230120
-pkgrel=4
+pkgver=4.4.0.20231231
+pkgrel=0
 pkgdesc="C standard library implementation intended for use on embedded systems"
 url="https://www.sourceware.org/newlib/"
 makedepends="texinfo"
@@ -12,6 +12,10 @@ source="
 
 	msp430-elf-nano.specs
 	0001-msp430-enable-syscalls.patch
+	0002-or1k-missing-include.patch
+	0003-or1k-fix-uart-irq-handler-signature.patch
+	0004-or1k-drop-invalid-cast.patch
+	0005-or1k-add-missing-cast.patch
 	"
 options="!check"
 
@@ -164,7 +168,11 @@ _install_subpkg() {
 }
 
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 "