diff --git a/gcc.symbols.imp b/gcc.symbols.imp
index 6a89003..d666b70 100644
--- a/gcc.symbols.imp
+++ b/gcc.symbols.imp
@@ -76,6 +76,8 @@
   { symbol: [ "uintptr_t", private, "<stdint.h>", public ] },
   { symbol: [ "iovec", private, "<sys/uio.h>", public ] },
   { symbol: [ "iovec", private, "<sys/socket.h>", public ] },
+  { symbol: [ "itimerspec", private, "<time.h>", public ] },
+  { symbol: [ "itimerspec", private, "<sys/timerfd.h>", public ] },
   { symbol: [ "key_t", private, "<sys/types.h>", public ] },
   { symbol: [ "key_t", private, "<sys/ipc.h>", public ] },
   { symbol: [ "lconv", private, "<locale.h>", public ] },
diff --git a/iwyu_include_picker.cc b/iwyu_include_picker.cc
index 97334c0..a0f1cee 100644
--- a/iwyu_include_picker.cc
+++ b/iwyu_include_picker.cc
@@ -153,6 +153,8 @@ const IncludeMapEntry libc_symbol_map[] = {
   { "uintptr_t", kPrivate, "<stdint.h>", kPublic },
   { "iovec", kPrivate, "<sys/uio.h>", kPublic },
   { "iovec", kPrivate, "<sys/socket.h>", kPublic },
+  { "itimerspec", kPrivate, "<time.h>", kPublic },
+  { "itimerspec", kPrivate, "<sys/timerfd.h>", kPublic },
   { "key_t", kPrivate, "<sys/types.h>", kPublic },
   { "key_t", kPrivate, "<sys/ipc.h>", kPublic },
   { "lconv", kPrivate, "<locale.h>", kPublic },