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 9967eb6..317cfee 100644
--- a/botan.spec
+++ b/botan.spec
@@ -2,7 +2,7 @@
 
 Name:           botan
 Version:        %{major_version}.17
-Release:        35%{?dist}
+Release:        35.0.riscv64%{?dist}
 Summary:        Crypto library written in C++
 
 License:        BSD
@@ -21,6 +21,8 @@ Patch2:         botan-1.10.13-python-init.patch
 Patch3:         botan-1.10.17-doc-conf-2to3.patch
 # Fix FTBFS
 Patch4:         botan-1.10.17-u64bit.patch
+# Add RISC-V (riscv64)
+Patch9:         Botan-1.10.17-add-riscv64.patch
 
 BuildRequires:  gcc-c++
 BuildRequires:  python3
@@ -195,6 +197,9 @@ LD_LIBRARY_PATH=%{buildroot}%{_libdir} ./check --validate
 
 
 %changelog
+* Mon Mar 20 2023 David Abdurachmanov <davidlt@rivosinc.com> - 1.10.17-35.0.riscv64
+- Add support for riscv64
+
 * Sun Jan 22 2023 Thomas Moschny <thomas.moschny@gmx.de> - 1.10.17-35
 - Add patch to fix FTBFS.