diff --git a/Botan-2.17.1.tar.xz b/Botan-2.17.1.tar.xz
deleted file mode 100644
index 1c10f9e..0000000
--- a/Botan-2.17.1.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:741358b3f1638ed7d9b2f59b4e344aa46f4966b15958b5434c0ac1580df0c0c1
-size 5970240
diff --git a/Botan-2.17.1.tar.xz.asc b/Botan-2.17.1.tar.xz.asc
deleted file mode 100644
index 9f52537..0000000
--- a/Botan-2.17.1.tar.xz.asc
+++ /dev/null
@@ -1,11 +0,0 @@
------BEGIN PGP SIGNATURE-----
-
-iQEzBAABCAAdFiEEYh2vZBHhhRxM+aLhYhHr8e+637wFAl+mlpwACgkQYhHr8e+6
-37xYdAgAuNUpFSlHwMQdpso25pM67H/S25QZHs9PBVv9YZv7NAw30y2D8mV1Ur2Q
-7vxsSQQltGgJMqlQaHwi9rqbxkyyWjOh/PxTR9CURrv0Zk8utqbLbSsFxFQtamPX
-wf/QG8/Y4sXf4fetwf1hh8XEU54EzMXcG3Y7CzpMrJg74fS6kliYQIUJnMPsb1y5
-gFHJtCTxY99D3dgmny3KIOvPnZFw5DIztRykyiDff4RIC78+xXjmgIX08qvxtnYu
-/mHHCs6HJX/Lfr7uPmXglATsgG+lRqiBHiKQkaHyA26PPYbZnx6xUgFPtTgIiKus
-po3v4pm5WFrlLL9HnFNO2Xl8uZQ/nw==
-=bFP2
------END PGP SIGNATURE-----
diff --git a/Botan-2.17.2.tar.xz b/Botan-2.17.2.tar.xz
new file mode 100644
index 0000000..6da986a
--- /dev/null
+++ b/Botan-2.17.2.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ebe27dfe2b55d7e02bf520e926606c48b76b22facb483256b13ab38e018e1e6c
+size 5940964
diff --git a/Botan-2.17.2.tar.xz.asc b/Botan-2.17.2.tar.xz.asc
new file mode 100644
index 0000000..f1b45f9
--- /dev/null
+++ b/Botan-2.17.2.tar.xz.asc
@@ -0,0 +1,11 @@
+-----BEGIN PGP SIGNATURE-----
+
+iQEzBAABCAAdFiEEYh2vZBHhhRxM+aLhYhHr8e+637wFAl+umVsACgkQYhHr8e+6
+37wTmwf/RQ6xKL2eDtrbrLQ8e5FeJExnzuQgmmcibtyNBCFH1ohbK7zd38oB5ouE
+OOe2X64rjAoRU1fSg7xkT3I2DfcVFYaDE1qNb4HJk7EknaPNo4C8Eyjh3v83aPQg
+YOasA7G041IgElpZbAuK3pYeJA38ljmtFht4iRSBxHw0HBBa3qjYmMBP4KFLKQfa
+0x7c8iiaYGH5gTUpi8YoT7Bkt95Dr4NxobQ4kRqAcEWxzm1nTTeTCiCPqWgnd+bs
+5+TF8uQkdaxHHR5OsvafDdwVcKr1Ldv7eaPL9e2tfGX6JeM865r7A5OMpWY2mD+M
+/Ti8VH1LDPPs7tnUnc9IJY2TZLIfCw==
+=2MvX
+-----END PGP SIGNATURE-----
diff --git a/Botan.changes b/Botan.changes
index 3b438e8..a6c8505 100644
--- a/Botan.changes
+++ b/Botan.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Fri Nov 13 20:42:02 UTC 2020 - Andreas Stieger <andreas.stieger@gmx.de>
+
+- Botan 2.17.2:
+  * Fix build problem on ppc64
+  * Resolve an issue in the modular square root algorithm
+
 -------------------------------------------------------------------
 Sat Nov  7 21:51:19 UTC 2020 - Andreas Stieger <andreas.stieger@gmx.de>
 
diff --git a/Botan.spec b/Botan.spec
index 1acaa7e..80db3a5 100644
--- a/Botan.spec
+++ b/Botan.spec
@@ -19,12 +19,12 @@
 %define version_suffix 2-17
 %define short_version 2
 Name:           Botan
-Version:        2.17.1
+Version:        2.17.2
 Release:        0
 Summary:        A C++ Crypto Library
 License:        BSD-2-Clause
 Group:          Development/Libraries/C and C++
-URL:            http://botan.randombit.net
+URL:            https://botan.randombit.net
 Source0:        http://botan.randombit.net/releases/Botan-%{version}.tar.xz
 Source1:        http://botan.randombit.net/releases/Botan-%{version}.tar.xz.asc
 Source2:        %{name}.keyring
@@ -100,7 +100,7 @@ python3 ./configure.py \
   --with-bzip2 \
   --with-zlib \
   --with-openssl \
-%ifarch %ix86
+%ifarch %{ix86}
   --cpu=x86_32
 %else
 %ifarch %{arm}
@@ -110,7 +110,7 @@ python3 ./configure.py \
 %endif
 %endif
 
-make %{?_smp_mflags} WARN_FLAGS="%{optflags}"
+%make_build WARN_FLAGS="%{optflags}"
 
 %install
 sed -i 's/env python/env python3/' src/scripts/install.py