diff --git a/libc/bionic/clock.cpp b/libc/bionic/clock.cpp
index 31e6c3c..45d29b7 100644
--- a/libc/bionic/clock.cpp
+++ b/libc/bionic/clock.cpp
@@ -32,7 +32,7 @@
 
 #include "private/bionic_constants.h"
 
-// http://pubs.opengroup.org/onlinepubs/9699919799/functions/clock.html
+// https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/functions/clock.html
 clock_t clock() {
   timespec ts;
   clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts);
diff --git a/libc/bionic/posix_timers.cpp b/libc/bionic/posix_timers.cpp
index ccbbfcf..65749a4 100644
--- a/libc/bionic/posix_timers.cpp
+++ b/libc/bionic/posix_timers.cpp
@@ -117,7 +117,7 @@
   pthread_kill(timer->callback_thread, TIMER_SIGNAL);
 }
 
-// http://pubs.opengroup.org/onlinepubs/9699919799/functions/timer_create.html
+// https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/functions/timer_create.html
 int timer_create(clockid_t clock_id, sigevent* evp, timer_t* timer_id) {
   PosixTimer* timer = reinterpret_cast<PosixTimer*>(malloc(sizeof(PosixTimer)));
   if (timer == nullptr) {
@@ -201,7 +201,7 @@
   return 0;
 }
 
-// http://pubs.opengroup.org/onlinepubs/9699919799/functions/timer_delete.html
+// https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/functions/timer_delete.html
 int timer_delete(timer_t id) {
   int rc = __timer_delete(to_kernel_timer_id(id));
   if (rc == -1) {
@@ -220,12 +220,12 @@
   return 0;
 }
 
-// http://pubs.opengroup.org/onlinepubs/9699919799/functions/timer_gettime.html
+// https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/functions/timer_gettime.html
 int timer_gettime(timer_t id, itimerspec* ts) {
   return __timer_gettime(to_kernel_timer_id(id), ts);
 }
 
-// http://pubs.opengroup.org/onlinepubs/9699919799/functions/timer_settime.html
+// https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/functions/timer_settime.html
 // When using timer_settime to disarm a repeatable SIGEV_THREAD timer with a very small
 // period (like below 1ms), the kernel may continue to send events to the callback thread
 // for a few extra times. This behavior is fine because in POSIX standard: The effect of
@@ -235,7 +235,7 @@
   return __timer_settime(timer->kernel_timer_id, flags, ts, ots);
 }
 
-// http://pubs.opengroup.org/onlinepubs/9699919799/functions/timer_getoverrun.html
+// https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/functions/timer_getoverrun.html
 int timer_getoverrun(timer_t id) {
   return __timer_getoverrun(to_kernel_timer_id(id));
 }
diff --git a/libc/bionic/spawn.cpp b/libc/bionic/spawn.cpp
index 8cee8b8..d97057f 100644
--- a/libc/bionic/spawn.cpp
+++ b/libc/bionic/spawn.cpp
@@ -187,7 +187,7 @@
                        char* const env[],
                        int exec_fn(const char* path, char* const argv[], char* const env[])) {
   // See https://man7.org/linux/man-pages/man3/posix_spawn.3.html
-  // and http://pubs.opengroup.org/onlinepubs/9699919799/functions/posix_spawn.html
+  // and https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/functions/posix_spawn.html
 
   ScopedSignalBlocker ssb;
 
diff --git a/libc/bionic/system.cpp b/libc/bionic/system.cpp
index 93d7497..8349498 100644
--- a/libc/bionic/system.cpp
+++ b/libc/bionic/system.cpp
@@ -38,7 +38,7 @@
 
 int system(const char* command) {
   // "The system() function shall always return non-zero when command is NULL."
-  // http://pubs.opengroup.org/onlinepubs/9699919799/functions/system.html
+  // https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/functions/system.html
   if (command == nullptr) return 1;
 
   ScopedSignalBlocker sigchld_blocker(SIGCHLD);
diff --git a/libc/stdio/fmemopen.cpp b/libc/stdio/fmemopen.cpp
index c58fca9..f069da4 100644
--- a/libc/stdio/fmemopen.cpp
+++ b/libc/stdio/fmemopen.cpp
@@ -33,7 +33,7 @@
 
 #include "local.h"
 
-// See http://pubs.opengroup.org/onlinepubs/9699919799/functions/fmemopen.html
+// See https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/functions/fmemopen.html
 // and https://man7.org/linux/man-pages/man3/fmemopen.3.html for documentation.
 
 struct fmemopen_cookie {
diff --git a/libc/upstream-openbsd/lib/libc/gen/fnmatch.c b/libc/upstream-openbsd/lib/libc/gen/fnmatch.c
index ff6b26e..3ec0222 100644
--- a/libc/upstream-openbsd/lib/libc/gen/fnmatch.c
+++ b/libc/upstream-openbsd/lib/libc/gen/fnmatch.c
@@ -46,11 +46,11 @@
  *
  * Derived from The Open Group Base Specifications Issue 7, IEEE Std 1003.1-2008
  * as described in;
- *   http://pubs.opengroup.org/onlinepubs/9699919799/functions/fnmatch.html
+ *   https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/functions/fnmatch.html
  *
  * Filename pattern matches defined in section 2.13, "Pattern Matching Notation"
  * from chapter 2. "Shell Command Language"
- *   http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_13
+ *   https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/utilities/V3_chap02.html#tag_18_13
  * where; 1. A bracket expression starting with an unquoted <circumflex> '^'
  * character CONTINUES to specify a non-matching list; 2. an explicit <period> '.'
  * in a bracket expression matching list, e.g. "[.abc]" does NOT match a leading
@@ -61,7 +61,7 @@
  *
  * Bracket expansion defined in section 9.3.5, "RE Bracket Expression",
  * from chapter 9, "Regular Expressions"
- *   http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.html#tag_09_03_05
+ *   https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/basedefs/V1_chap09.html#tag_09_03_05
  * with no support for collating symbols, equivalence class expressions or
  * character class expressions.  A partial range expression with a leading
  * hyphen following a valid range expression will match only the ordinary