diff --git a/3rdparty/deepin-pdfium/src/3rdparty/pdfium/pdfium/build/build_config.h b/3rdparty/deepin-pdfium/src/3rdparty/pdfium/pdfium/build/build_config.h
index 86957893..6280052a 100644
--- a/3rdparty/deepin-pdfium/src/3rdparty/pdfium/pdfium/build/build_config.h
+++ b/3rdparty/deepin-pdfium/src/3rdparty/pdfium/pdfium/build/build_config.h
@@ -180,6 +180,11 @@
 #define ARCH_CPU_LOONGARCH64 1
 #define ARCH_CPU_64_BITS 1
 #define ARCH_CPU_LITTLE_ENDIAN 1
+#elif defined(__riscv) && (__riscv_xlen == 64)
+#define ARCH_CPU_RISCV_FAMILY 1
+#define ARCH_CPU_RISCV64 1
+#define ARCH_CPU_64_BITS 1
+#define ARCH_CPU_LITTLE_ENDIAN 1
 #elif defined(__MIPSEL__)
 #if defined(__LP64__)
 #define ARCH_CPU_MIPS_FAMILY 1
diff --git a/debian/changelog b/debian/changelog
index 55f375eb..d55fd189 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+deepin-reader (6.0.9) unstable; urgency=medium
+
+  * Add RISC-V support
+
+ -- Chang Yang <yangchang@deepin.org>  Fri, 02 Feb 2024 10:07:55 +0800
+
 deepin-reader (6.0.8) unstable; urgency=medium
 
   * change log 6.0.8.