diff --git a/libc/include/bits/glibc-syscalls.h b/libc/include/bits/glibc-syscalls.h
index 18332db..879b110 100644
--- a/libc/include/bits/glibc-syscalls.h
+++ b/libc/include/bits/glibc-syscalls.h
@@ -939,6 +939,12 @@
 #if defined(__NR_restart_syscall)
   #define SYS_restart_syscall __NR_restart_syscall
 #endif
+#if defined(__NR_riscv_flush_icache)
+  #define SYS_riscv_flush_icache __NR_riscv_flush_icache
+#endif
+#if defined(__NR_riscv_hwprobe)
+  #define SYS_riscv_hwprobe __NR_riscv_hwprobe
+#endif
 #if defined(__NR_rmdir)
   #define SYS_rmdir __NR_rmdir
 #endif
diff --git a/libc/kernel/tools/update_all.py b/libc/kernel/tools/update_all.py
index ae89a80..9e5ed42 100755
--- a/libc/kernel/tools/update_all.py
+++ b/libc/kernel/tools/update_all.py
@@ -92,7 +92,8 @@
                      'kernel/uapi/asm-arm/asm/unistd.h',
                      'kernel/uapi/asm-arm/asm/unistd-eabi.h',
                      'kernel/uapi/asm-arm/asm/unistd-oabi.h',
-                     'kernel/uapi/asm-riscv/asm/unistd.h',
+                     'kernel/uapi/asm-riscv/asm/unistd_32.h',
+                     'kernel/uapi/asm-riscv/asm/unistd_64.h',
                      'kernel/uapi/asm-x86/asm/unistd_32.h',
                      'kernel/uapi/asm-x86/asm/unistd_64.h',
                      'kernel/uapi/asm-x86/asm/unistd_x32.h']: