diff --git a/dkarm-eabi/patches/newlib-3.1.0.patch b/dkarm-eabi/patches/newlib-3.3.0.patch
similarity index 99%
rename from dkarm-eabi/patches/newlib-3.1.0.patch
rename to dkarm-eabi/patches/newlib-3.3.0.patch
index b115915..52cbda0 100644
--- a/dkarm-eabi/patches/newlib-3.1.0.patch
+++ b/dkarm-eabi/patches/newlib-3.3.0.patch
@@ -1,8 +1,8 @@
 diff --git a/libgloss/configure b/libgloss/configure
-index 1a4033dce..ba7aea7b0 100755
+index 0d2918cee..bccfb07b4 100755
 --- a/libgloss/configure
 +++ b/libgloss/configure
-@@ -2599,6 +2599,8 @@ if test "${config_libnosys}" = "true"; then
+@@ -2604,6 +2604,8 @@ if test "${config_libnosys}" = "true"; then
  
  fi
  
@@ -12,7 +12,7 @@ index 1a4033dce..ba7aea7b0 100755
  
  ac_config_commands="$ac_config_commands depfiles"
 diff --git a/libgloss/configure.in b/libgloss/configure.in
-index 41843eed1..dc0e2a5fd 100644
+index f38d5298e..509c31071 100644
 --- a/libgloss/configure.in
 +++ b/libgloss/configure.in
 @@ -2,6 +2,7 @@ dnl Process this file with autoconf to produce a configure script.
@@ -23,7 +23,7 @@ index 41843eed1..dc0e2a5fd 100644
  
  if test "${enable_shared}" = "yes" ; then
      echo "Shared libraries not supported for cross compiling, ignored"
-@@ -190,6 +191,7 @@ dnl fi
+@@ -193,6 +194,7 @@ dnl fi
  if test "${config_libnosys}" = "true"; then
    AC_CONFIG_SUBDIRS([libnosys])
  fi
@@ -7408,10 +7408,10 @@ index 000000000..61de918bc
 +	return ret;
 +}
 diff --git a/newlib/configure.host b/newlib/configure.host
-index 6c49cb750..6a5e1c78d 100644
+index a84c0c80a..29fb7ed24 100644
 --- a/newlib/configure.host
 +++ b/newlib/configure.host
-@@ -666,6 +666,14 @@ newlib_cflags="${newlib_cflags} -DCLOCK_PROVIDED -DMALLOC_PROVIDED -DEXIT_PROVID
+@@ -687,6 +687,14 @@ newlib_cflags="${newlib_cflags} -DCLOCK_PROVIDED -DMALLOC_PROVIDED -DEXIT_PROVID
  	syscall_dir=syscalls
  	default_newlib_io_long_long="yes"
  	;;
@@ -7440,7 +7440,7 @@ index 164d95bca..083e48758 100644
  void	clearerr (FILE *);
  int	feof (FILE *);
 diff --git a/newlib/libc/include/sys/config.h b/newlib/libc/include/sys/config.h
-index 49b62ebf6..d84ffaa59 100644
+index d746b15fc..80169d9b7 100644
 --- a/newlib/libc/include/sys/config.h
 +++ b/newlib/libc/include/sys/config.h
 @@ -4,6 +4,9 @@
@@ -7520,7 +7520,7 @@ index a3fb5c02c..5debd1525 100644
 +
 +#endif // _dirent_h_
 diff --git a/newlib/libc/include/sys/features.h b/newlib/libc/include/sys/features.h
-index f28dd071b..96980676d 100644
+index 218807178..c9efd7d03 100644
 --- a/newlib/libc/include/sys/features.h
 +++ b/newlib/libc/include/sys/features.h
 @@ -330,6 +330,9 @@ extern "C" {
@@ -7651,11 +7651,25 @@ index 000000000..c190fa37d
 +//---------------------------------------------------------------------------------
 +#endif // __iosupp_h__
 +//---------------------------------------------------------------------------------
+diff --git a/newlib/libc/include/sys/param.h b/newlib/libc/include/sys/param.h
+index 9a6f115a6..142e71d35 100644
+--- a/newlib/libc/include/sys/param.h
++++ b/newlib/libc/include/sys/param.h
+@@ -19,9 +19,6 @@
+ #ifndef NOFILE
+ # define NOFILE	(60)
+ #endif
+-#ifndef PATHSIZE
+-# define PATHSIZE (1024)
+-#endif
+ 
+ #define MAXPATHLEN PATH_MAX
+ 
 diff --git a/newlib/libc/include/sys/reent.h b/newlib/libc/include/sys/reent.h
-index 6e55e1c1f..6e0c1c9cf 100644
+index 74b70e9c0..d8c5410ec 100644
 --- a/newlib/libc/include/sys/reent.h
 +++ b/newlib/libc/include/sys/reent.h
-@@ -416,6 +416,8 @@ struct _reent
+@@ -421,6 +421,8 @@ struct _reent
    __FILE *__sf;			        /* file descriptors */
    struct _misc_reent *_misc;            /* strtok, multibyte states */
    char *_signal_buf;                    /* strsignal */
@@ -7664,7 +7678,7 @@ index 6e55e1c1f..6e0c1c9cf 100644
  };
  
  #ifdef _REENT_GLOBAL_STDIO_STREAMS
-@@ -686,6 +688,7 @@ struct _reent
+@@ -691,6 +693,7 @@ struct _reent
  # ifndef _REENT_GLOBAL_STDIO_STREAMS
    __FILE __sf[3];  		/* first three file descriptors */
  # endif
@@ -7673,10 +7687,10 @@ index 6e55e1c1f..6e0c1c9cf 100644
  
  #ifdef _REENT_GLOBAL_STDIO_STREAMS
 diff --git a/newlib/libc/include/sys/stat.h b/newlib/libc/include/sys/stat.h
-index eee98db64..aed9c1746 100644
+index 8769112b0..5526e59ee 100644
 --- a/newlib/libc/include/sys/stat.h
 +++ b/newlib/libc/include/sys/stat.h
-@@ -152,8 +152,9 @@ int	mkfifo (const char *__path, mode_t __mode );
+@@ -142,8 +142,9 @@ int	mkfifo (const char *__path, mode_t __mode );
  int	stat (const char *__restrict __path, struct stat *__restrict __sbuf );
  mode_t	umask (mode_t __mask );
  
@@ -8017,7 +8031,7 @@ index 9b982a993..8c0aaac8c 100644
 +*/
  #endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */
 diff --git a/newlib/libc/stdio/fread.c b/newlib/libc/stdio/fread.c
-index b358d2b4a..29cec0229 100644
+index b358d2b4a..a3e597fd2 100644
 --- a/newlib/libc/stdio/fread.c
 +++ b/newlib/libc/stdio/fread.c
 @@ -135,7 +135,7 @@ crlf_r (struct _reent * ptr,
@@ -8029,7 +8043,24 @@ index b358d2b4a..29cec0229 100644
  }
  
  #endif
-@@ -225,7 +225,32 @@ _fread_r (struct _reent * ptr,
+@@ -187,7 +187,6 @@ _fread_r (struct _reent * ptr,
+ 	  int rc = 0;
+ 	  /* save fp buffering state */
+ 	  void *old_base = fp->_bf._base;
+-	  void * old_p = fp->_p;
+ 	  int old_size = fp->_bf._size;
+ 	  /* allow __refill to use user's buffer */
+ 	  fp->_bf._base = (unsigned char *) p;
+@@ -197,7 +196,7 @@ _fread_r (struct _reent * ptr,
+ 	  /* restore fp buffering back to original state */
+ 	  fp->_bf._base = old_base;
+ 	  fp->_bf._size = old_size;
+-	  fp->_p = old_p;
++	  fp->_p = old_base;
+ 	  resid -= fp->_r;
+ 	  p += fp->_r;
+ 	  fp->_r = 0;
+@@ -225,7 +224,31 @@ _fread_r (struct _reent * ptr,
  	  /* fp->_r = 0 ... done in __srefill */
  	  p += r;
  	  resid -= r;
@@ -8037,11 +8068,10 @@ index b358d2b4a..29cec0229 100644
 +
 +      int rc = 0;
 +
-+      if (resid>BUFSIZ)
++      if (resid>fp->_bf._size)
 +      {
 +        /* save fp buffering state */
 +        void *old_base = fp->_bf._base;
-+        void * old_p = fp->_p;
 +        int old_size = fp->_bf._size;
 +        /* allow __refill to use user's buffer */
 +        fp->_bf._base = (unsigned char *) p;
@@ -8051,7 +8081,7 @@ index b358d2b4a..29cec0229 100644
 +        /* restore fp buffering back to original state */
 +        fp->_bf._base = old_base;
 +        fp->_bf._size = old_size;
-+        fp->_p = old_p;
++        fp->_p = old_base;
 +        resid -= fp->_r;
 +        p += fp->_r;
 +        fp->_r = 0;
@@ -8122,7 +8152,7 @@ index 980b31e3b..722be905e 100644
  
  #ifdef INTEGER_ONLY
 diff --git a/newlib/libc/stdio/vfwscanf.c b/newlib/libc/stdio/vfwscanf.c
-index 0464b0837..435fc0142 100644
+index ffb6cc85b..db33d4f29 100644
 --- a/newlib/libc/stdio/vfwscanf.c
 +++ b/newlib/libc/stdio/vfwscanf.c
 @@ -74,6 +74,9 @@ PORTABILITY
@@ -8276,16 +8306,3 @@ index 000000000..567fed56b
 +	__libc_lock_release_recursive(&(NAME))
 +
 +#endif // __SYS_LOCK_H__
-diff --git a/newlib/libc/sys/arm/sys/param.h b/newlib/libc/sys/arm/sys/param.h
-index 5b9464cca..e8969b954 100644
---- a/newlib/libc/sys/arm/sys/param.h
-+++ b/newlib/libc/sys/arm/sys/param.h
-@@ -19,6 +19,8 @@
- # define PATHSIZE (1024)
- #endif
- 
-+#define MAXPATHLEN	PATHSIZE
-+
- #define MAX(a,b) ((a) > (b) ? (a) : (b))
- #define MIN(a,b) ((a) < (b) ? (a) : (b))
- 
diff --git a/select_toolchain.sh b/select_toolchain.sh
index ff709ae..e739ea2 100755
--- a/select_toolchain.sh
+++ b/select_toolchain.sh
@@ -32,7 +32,7 @@ case "$VERSION" in
   "1" )
     GCC_VER=10.1.0
     BINUTILS_VER=2.32
-    NEWLIB_VER=3.1.0
+    NEWLIB_VER=3.3.0
     GDB_VER=8.2.1
     basedir='dkarm-eabi'
     package=devkitARM