diff --git a/clang-tools-extra/clang-include-fixer/find-all-symbols/STLPostfixHeaderMap.cpp b/clang-tools-extra/clang-include-fixer/find-all-symbols/STLPostfixHeaderMap.cpp
index 469323f0ee9d7..81db67d965754 100644
--- a/clang-tools-extra/clang-include-fixer/find-all-symbols/STLPostfixHeaderMap.cpp
+++ b/clang-tools-extra/clang-include-fixer/find-all-symbols/STLPostfixHeaderMap.cpp
@@ -654,6 +654,7 @@ const HeaderMapCollector::RegexHeaderMap *getSTLPostfixHeaderMap() {
       {"bits/syscall.h$", "<sys/syscall.h>"},
       {"bits/syslog-path.h$", "<sys/syslog.h>"},
       {"bits/termios.h$", "<termios.h>"},
+      {"bits/timex.h$", "<sys/timex.h>"},
       {"bits/types.h$", "<sys/types.h>"},
       {"bits/typesizes.h$", "<sys/types.h>"},
       {"bits/uio.h$", "<sys/uio.h>"},
diff --git a/clang-tools-extra/clangd/index/CanonicalIncludes.cpp b/clang-tools-extra/clangd/index/CanonicalIncludes.cpp
index 785ec4086ea76..d0a351df2a2ee 100644
--- a/clang-tools-extra/clangd/index/CanonicalIncludes.cpp
+++ b/clang-tools-extra/clangd/index/CanonicalIncludes.cpp
@@ -669,6 +669,7 @@ const std::pair<llvm::StringRef, llvm::StringRef> IncludeMappings[] = {
     {"bits/syscall.h", "<sys/syscall.h>"},
     {"bits/syslog-path.h", "<sys/syslog.h>"},
     {"bits/termios.h", "<termios.h>"},
+    {"bits/timex.h", "<sys/timex.h>"},
     {"bits/types.h", "<sys/types.h>"},
     {"bits/types/siginfo_t.h", "<sys/siginfo.h>"},
     {"bits/types/struct_itimerspec.h", "<sys/time.h>"},