diff --git a/Botan-1.10.17-add-riscv64.patch b/Botan-1.10.17-add-riscv64.patch
new file mode 100644
index 0000000..c2da72d
--- /dev/null
+++ b/Botan-1.10.17-add-riscv64.patch
@@ -0,0 +1,7 @@
+diff --git a/src/build-data/arch/riscv64.txt b/src/build-data/arch/riscv64.txt
+new file mode 100644
+index 0000000..6e5e0ff
+--- /dev/null
++++ b/src/build-data/arch/riscv64.txt
+@@ -0,0 +1 @@
++endian little
diff --git a/botan.spec b/botan.spec
index 1727451..ddef91f 100644
--- a/botan.spec
+++ b/botan.spec
@@ -6,7 +6,7 @@
 
 Name:           botan
 Version:        %{major_version}.17
-Release:        9%{?dist}
+Release:        9.0.riscv64%{?dist}
 Summary:        Crypto library written in C++
 
 Group:          System Environment/Libraries
@@ -22,6 +22,8 @@ Patch0:         botan-1.10.5-ecc-fix.patch
 Patch1:         botan-boost_python.patch
 # Fix wrong path
 Patch2:         botan-1.10.13-python-init.patch
+# Add RISC-V (riscv64)
+Patch3:         Botan-1.10.17-add-riscv64.patch
 
 BuildRequires:  gcc-c++
 BuildRequires:  python2
@@ -125,6 +127,7 @@ interfaces may change in the future.
 %patch0 -p1 -b .eccfix
 %patch1 -p1
 %patch2 -p1
+%patch3 -p1 -b .riscv64
 
 # These tests will fail.
 rm -rf checks/ec_tests.cpp
@@ -261,6 +264,9 @@ LD_LIBRARY_PATH=%{buildroot}%{_libdir} ./check --validate
 
 
 %changelog
+* Sat Nov 24 2018 David Abdurachmanov <david.abdurachmanov@gmail.com> - 1.10.17-9.0.riscv64
+- Add support for RISCV (riscv64)
+
 * Thu Jul 12 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.10.17-9
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild