diff --git a/fix-aarch64-builds.patch b/fix-aarch64-builds.patch
deleted file mode 100644
index e4c8ffd..0000000
--- a/fix-aarch64-builds.patch
+++ /dev/null
@@ -1,33 +0,0 @@
-From: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
-Date: Tue, 30 Mar 2021 20:08:11 +0200
-Subject: [PATCH] unix/main: Make static variable that's potentially clobbered
- by longjmp.
-
-This fixes `error: variable 'subpkg_tried' might be clobbered by 'longjmp'
-or 'vfork' [-Werror=clobbered]` when compiling on ppc64le and aarch64 (and
-possibly other architectures/toolchains).
----
- ports/unix/main.c | 7 ++++++-
- 1 file changed, 6 insertions(+), 1 deletion(-)
-
-diff --git a/ports/unix/main.c b/ports/unix/main.c
-index 129c6d3bb..e33c1742d 100644
---- a/ports/unix/main.c
-+++ b/ports/unix/main.c
-@@ -596,7 +596,12 @@ MP_NOINLINE int main_(int argc, char **argv) {
- 
-                 mp_obj_t mod;
-                 nlr_buf_t nlr;
--                bool subpkg_tried = false;
-+
-+                // Allocating subpkg_tried on the stack can lead to compiler warnings about this
-+                // variable being clobbered when nlr is implemented using setjmp/longjmp.  Its
-+                // value must be preserved across calls to setjmp/longjmp.
-+                static bool subpkg_tried;
-+                subpkg_tried = false;
- 
-             reimport:
-                 if (nlr_push(&nlr) == 0) {
--- 
-2.31.1
-
diff --git a/micropython-1.14.tar.xz b/micropython-1.14.tar.xz
deleted file mode 100644
index 87a494c..0000000
--- a/micropython-1.14.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:97306156fdeab120a1244626c75a929bb820722afdfc1317dbd5dadef388d94c
-size 56801160
diff --git a/micropython-1.15.tar.xz b/micropython-1.15.tar.xz
new file mode 100644
index 0000000..a2d4c66
--- /dev/null
+++ b/micropython-1.15.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:52d020b3adef6c2bd2b6c8aba672f381c3c99d2b90130ac8d0d7414999cb4e13
+size 56937276
diff --git a/micropython.changes b/micropython.changes
index 6821586..9b066c0 100644
--- a/micropython.changes
+++ b/micropython.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Fri May 7 09:50:45 UTC 2021 - Mustafa Çalışkan <musfay@protonmail.com>
+
+- Update to version 1.15:
+  * Full release notes: https://github.com/micropython/micropython/releases/tag/v1.15
+  * Unix port updates:
+    - mpbtstackport_common: implement mp_bluetooth_hci_active
+    - moduselect: don't allow both posix and non-posix configurations
+    - improve command line argument processing
+    - main: make static variable that's potentially clobbered by longjm 
+- Remove patch fix-aarch64-builds.patch
+- Exclude ppc64 and ppc64le as build fails for those architectures
+
 -------------------------------------------------------------------
 Sat Apr 17 03:06:16 UTC 2021 - Mustafa Çalışkan <musfay@protonmail.com>
 
diff --git a/micropython.spec b/micropython.spec
index e16aa01..8b11774 100644
--- a/micropython.spec
+++ b/micropython.spec
@@ -17,28 +17,26 @@
 
 
 Name:           micropython
-Version:        1.14
+Version:        1.15
 Release:        0
 Summary:        Implementation of Python 3 with very low memory footprint
 License:        MIT
 Group:          Development/Languages/Python
 URL:            https://micropython.org/
 Source:         https://micropython.org/resources/source/%{name}-%{version}.tar.xz
-Patch:          fix-aarch64-builds.patch
 BuildRequires:  openssl
 BuildRequires:  python
 BuildRequires:  python3
 BuildRequires:  readline-devel
 BuildRequires:  pkgconfig(libffi)
 Recommends:     micropython-lib
-ExcludeArch:    %{ix86} %{arm}
+ExcludeArch:    %{ix86} %{arm} ppc64 ppc64le
 
 %description
 A lean and efficient Python implementation for microcontrollers and constrained systems
 
 %prep
 %setup -q
-%patch -p1
 sed -i -e "s:/usr/lib/micropython:%{_prefix}/lib/micropython:g" "ports/unix/main.c"
 
 %define make_flags V=1 MICROPY_PY_BTREE=0 MICROPY_PY_USSL=0
@@ -51,7 +49,8 @@ sed -i -e "s:/usr/lib/micropython:%{_prefix}/lib/micropython:g" "ports/unix/main
 install -d %{buildroot}%{_bindir}
 install -t %{buildroot}%{_bindir} ports/unix/micropython
 
-%ifnarch aarch64
+%ifnarch aarch64 s390x
+# s390x: 3 tests failes: float_parse float_parse_doubleprec ffi_callback
 # aarch64: 2 tests failed: float_parse float_parse_doubleprec
 # https://github.com/micropython/micropython/issues/4176
 %check
@@ -60,7 +59,6 @@ make -C ports/unix PYTHON=%{__python3} V=1 test
 %endif
 
 %files
-%defattr(-,root,root)
 %license LICENSE
 %doc docs/unix/*
 %{_bindir}/micropython