diff --git a/deps/nghttp2/lib/Makefile.in b/deps/nghttp2/lib/Makefile.in
index a5653128884f26..aeae3d76cc49d7 100644
--- a/deps/nghttp2/lib/Makefile.in
+++ b/deps/nghttp2/lib/Makefile.in
@@ -328,7 +328,7 @@ EXTRACFLAG = @EXTRACFLAG@
 EXTRA_DEFS = @EXTRA_DEFS@
 FGREP = @FGREP@
 GREP = @GREP@
-HAVE_CXX14 = @HAVE_CXX14@
+HAVE_CXX20 = @HAVE_CXX20@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
diff --git a/deps/nghttp2/lib/includes/Makefile.in b/deps/nghttp2/lib/includes/Makefile.in
index 47f46764652434..128496617d6441 100644
--- a/deps/nghttp2/lib/includes/Makefile.in
+++ b/deps/nghttp2/lib/includes/Makefile.in
@@ -233,7 +233,7 @@ EXTRACFLAG = @EXTRACFLAG@
 EXTRA_DEFS = @EXTRA_DEFS@
 FGREP = @FGREP@
 GREP = @GREP@
-HAVE_CXX14 = @HAVE_CXX14@
+HAVE_CXX20 = @HAVE_CXX20@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
diff --git a/deps/nghttp2/lib/includes/nghttp2/nghttp2ver.h b/deps/nghttp2/lib/includes/nghttp2/nghttp2ver.h
index a21d6a1605e010..c8a373a120bbb7 100644
--- a/deps/nghttp2/lib/includes/nghttp2/nghttp2ver.h
+++ b/deps/nghttp2/lib/includes/nghttp2/nghttp2ver.h
@@ -29,7 +29,7 @@
  * @macro
  * Version number of the nghttp2 library release
  */
-#define NGHTTP2_VERSION "1.61.0"
+#define NGHTTP2_VERSION "1.62.0"
 
 /**
  * @macro
@@ -37,6 +37,6 @@
  * release. This is a 24 bit number with 8 bits for major number, 8 bits
  * for minor and 8 bits for patch. Version 1.2.3 becomes 0x010203.
  */
-#define NGHTTP2_VERSION_NUM 0x013d00
+#define NGHTTP2_VERSION_NUM 0x013e00
 
 #endif /* NGHTTP2VER_H */
diff --git a/deps/nghttp2/lib/nghttp2_buf.c b/deps/nghttp2/lib/nghttp2_buf.c
index 101035f923ec64..15cd674a650fc0 100644
--- a/deps/nghttp2/lib/nghttp2_buf.c
+++ b/deps/nghttp2/lib/nghttp2_buf.c
@@ -61,7 +61,7 @@ int nghttp2_buf_reserve(nghttp2_buf *buf, size_t new_cap, nghttp2_mem *mem) {
     return 0;
   }
 
-  new_cap = nghttp2_max(new_cap, cap * 2);
+  new_cap = nghttp2_max_size(new_cap, cap * 2);
 
   ptr = nghttp2_mem_realloc(mem, buf->begin, new_cap);
   if (ptr == NULL) {
@@ -343,7 +343,7 @@ int nghttp2_bufs_add(nghttp2_bufs *bufs, const void *data, size_t len) {
   while (len) {
     buf = &bufs->cur->buf;
 
-    nwrite = nghttp2_min(nghttp2_buf_avail(buf), len);
+    nwrite = nghttp2_min_size(nghttp2_buf_avail(buf), len);
     if (nwrite == 0) {
       rv = bufs_alloc_chain(bufs);
       if (rv != 0) {
diff --git a/deps/nghttp2/lib/nghttp2_hd.c b/deps/nghttp2/lib/nghttp2_hd.c
index 1b0c71331ae61f..cab6ec8fc7d2b4 100644
--- a/deps/nghttp2/lib/nghttp2_hd.c
+++ b/deps/nghttp2/lib/nghttp2_hd.c
@@ -1245,13 +1245,13 @@ static void hd_context_shrink_table_size(nghttp2_hd_context *context,
 
 int nghttp2_hd_deflate_change_table_size(
     nghttp2_hd_deflater *deflater, size_t settings_max_dynamic_table_size) {
-  size_t next_bufsize = nghttp2_min(settings_max_dynamic_table_size,
-                                    deflater->deflate_hd_table_bufsize_max);
+  size_t next_bufsize = nghttp2_min_size(
+      settings_max_dynamic_table_size, deflater->deflate_hd_table_bufsize_max);
 
   deflater->ctx.hd_table_bufsize_max = next_bufsize;
 
   deflater->min_hd_table_bufsize_max =
-      nghttp2_min(deflater->min_hd_table_bufsize_max, next_bufsize);
+      nghttp2_min_size(deflater->min_hd_table_bufsize_max, next_bufsize);
 
   deflater->notify_table_size_change = 1;
 
@@ -1738,7 +1738,7 @@ static nghttp2_ssize hd_inflate_read_huff(nghttp2_hd_inflater *inflater,
 static nghttp2_ssize hd_inflate_read(nghttp2_hd_inflater *inflater,
                                      nghttp2_buf *buf, const uint8_t *in,
                                      const uint8_t *last) {
-  size_t len = nghttp2_min((size_t)(last - in), inflater->left);
+  size_t len = nghttp2_min_size((size_t)(last - in), inflater->left);
 
   buf->last = nghttp2_cpymem(buf->last, in, len);
 
@@ -1962,8 +1962,8 @@ nghttp2_ssize nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
       rfin = 0;
       rv = hd_inflate_read_len(
           inflater, &rfin, in, last, 5,
-          nghttp2_min(inflater->min_hd_table_bufsize_max,
-                      inflater->settings_hd_table_bufsize_max));
+          nghttp2_min_size(inflater->min_hd_table_bufsize_max,
+                           inflater->settings_hd_table_bufsize_max));
       if (rv < 0) {
         goto fail;
       }
diff --git a/deps/nghttp2/lib/nghttp2_hd_huffman.c b/deps/nghttp2/lib/nghttp2_hd_huffman.c
index 959053f774eda3..f848f3690b347d 100644
--- a/deps/nghttp2/lib/nghttp2_hd_huffman.c
+++ b/deps/nghttp2/lib/nghttp2_hd_huffman.c
@@ -116,7 +116,9 @@ nghttp2_ssize nghttp2_hd_huff_decode(nghttp2_hd_huff_decode_context *ctx,
   uint8_t c;
 
   /* We use the decoding algorithm described in
-     http://graphics.ics.uci.edu/pub/Prefix.pdf */
+      - http://graphics.ics.uci.edu/pub/Prefix.pdf [!!! NO LONGER VALID !!!]
+      - https://ics.uci.edu/~dan/pubs/Prefix.pdf
+      - https://github.com/nghttp2/nghttp2/files/15141264/Prefix.pdf */
   for (; src != end;) {
     c = *src++;
     t = &huff_decode_table[t->fstate & 0x1ff][c >> 4];
diff --git a/deps/nghttp2/lib/nghttp2_helper.c b/deps/nghttp2/lib/nghttp2_helper.c
index b3563d98e0d910..9a2407ab6f518f 100644
--- a/deps/nghttp2/lib/nghttp2_helper.c
+++ b/deps/nghttp2/lib/nghttp2_helper.c
@@ -160,7 +160,7 @@ int nghttp2_adjust_local_window_size(int32_t *local_window_size_ptr,
     int32_t recv_reduction_delta;
     int32_t delta;
     int32_t new_recv_window_size =
-        nghttp2_max(0, *recv_window_size_ptr) - *delta_ptr;
+        nghttp2_max_int32(0, *recv_window_size_ptr) - *delta_ptr;
 
     if (new_recv_window_size >= 0) {
       *recv_window_size_ptr = new_recv_window_size;
@@ -177,7 +177,7 @@ int nghttp2_adjust_local_window_size(int32_t *local_window_size_ptr,
     *local_window_size_ptr += delta;
     /* If there is recv_reduction due to earlier window_size
        reduction, we have to adjust it too. */
-    recv_reduction_delta = nghttp2_min(*recv_reduction_ptr, delta);
+    recv_reduction_delta = nghttp2_min_int32(*recv_reduction_ptr, delta);
     *recv_reduction_ptr -= recv_reduction_delta;
     if (*recv_window_size_ptr < 0) {
       *recv_window_size_ptr += recv_reduction_delta;
@@ -233,7 +233,7 @@ int nghttp2_increase_local_window_size(int32_t *local_window_size_ptr,
   *local_window_size_ptr += delta;
   /* If there is recv_reduction due to earlier window_size
      reduction, we have to adjust it too. */
-  recv_reduction_delta = nghttp2_min(*recv_reduction_ptr, delta);
+  recv_reduction_delta = nghttp2_min_int32(*recv_reduction_ptr, delta);
   *recv_reduction_ptr -= recv_reduction_delta;
 
   *recv_window_size_ptr += recv_reduction_delta;
diff --git a/deps/nghttp2/lib/nghttp2_helper.h b/deps/nghttp2/lib/nghttp2_helper.h
index b1f18ce541ac36..01b85c44ed0f4d 100644
--- a/deps/nghttp2/lib/nghttp2_helper.h
+++ b/deps/nghttp2/lib/nghttp2_helper.h
@@ -35,8 +35,31 @@
 #include <nghttp2/nghttp2.h>
 #include "nghttp2_mem.h"
 
-#define nghttp2_min(A, B) ((A) < (B) ? (A) : (B))
-#define nghttp2_max(A, B) ((A) > (B) ? (A) : (B))
+#define nghttp2_max_def(SUFFIX, T)                                             \
+  static inline T nghttp2_max_##SUFFIX(T a, T b) { return a < b ? b : a; }
+
+nghttp2_max_def(int8, int8_t);
+nghttp2_max_def(int16, int16_t);
+nghttp2_max_def(int32, int32_t);
+nghttp2_max_def(int64, int64_t);
+nghttp2_max_def(uint8, uint8_t);
+nghttp2_max_def(uint16, uint16_t);
+nghttp2_max_def(uint32, uint32_t);
+nghttp2_max_def(uint64, uint64_t);
+nghttp2_max_def(size, size_t);
+
+#define nghttp2_min_def(SUFFIX, T)                                             \
+  static inline T nghttp2_min_##SUFFIX(T a, T b) { return a < b ? a : b; }
+
+nghttp2_min_def(int8, int8_t);
+nghttp2_min_def(int16, int16_t);
+nghttp2_min_def(int32, int32_t);
+nghttp2_min_def(int64, int64_t);
+nghttp2_min_def(uint8, uint8_t);
+nghttp2_min_def(uint16, uint16_t);
+nghttp2_min_def(uint32, uint32_t);
+nghttp2_min_def(uint64, uint64_t);
+nghttp2_min_def(size, size_t);
 
 #define lstreq(A, B, N) ((sizeof((A)) - 1) == (N) && memcmp((A), (B), (N)) == 0)
 
diff --git a/deps/nghttp2/lib/nghttp2_pq.c b/deps/nghttp2/lib/nghttp2_pq.c
index 64353acc961dc3..e79ba8365e82e2 100644
--- a/deps/nghttp2/lib/nghttp2_pq.c
+++ b/deps/nghttp2/lib/nghttp2_pq.c
@@ -69,7 +69,7 @@ int nghttp2_pq_push(nghttp2_pq *pq, nghttp2_pq_entry *item) {
     void *nq;
     size_t ncapacity;
 
-    ncapacity = nghttp2_max(4, (pq->capacity * 2));
+    ncapacity = nghttp2_max_size(4, (pq->capacity * 2));
 
     nq = nghttp2_mem_realloc(pq->mem, pq->q,
                              ncapacity * sizeof(nghttp2_pq_entry *));
diff --git a/deps/nghttp2/lib/nghttp2_ratelim.c b/deps/nghttp2/lib/nghttp2_ratelim.c
index 7011655b006f7c..604ac0801a7acc 100644
--- a/deps/nghttp2/lib/nghttp2_ratelim.c
+++ b/deps/nghttp2/lib/nghttp2_ratelim.c
@@ -61,7 +61,7 @@ void nghttp2_ratelim_update(nghttp2_ratelim *rl, uint64_t tstamp) {
   }
 
   rl->val += gain;
-  rl->val = nghttp2_min(rl->val, rl->burst);
+  rl->val = nghttp2_min_uint64(rl->val, rl->burst);
 }
 
 int nghttp2_ratelim_drain(nghttp2_ratelim *rl, uint64_t n) {
diff --git a/deps/nghttp2/lib/nghttp2_session.c b/deps/nghttp2/lib/nghttp2_session.c
index 004a4dffaa7903..54746fb37b376d 100644
--- a/deps/nghttp2/lib/nghttp2_session.c
+++ b/deps/nghttp2/lib/nghttp2_session.c
@@ -1700,10 +1700,11 @@ int nghttp2_session_adjust_idle_stream(nghttp2_session *session) {
 
   /* Make minimum number of idle streams 16, and maximum 100, which
      are arbitrary chosen numbers. */
-  max = nghttp2_min(
-      100, nghttp2_max(
-               16, nghttp2_min(session->local_settings.max_concurrent_streams,
-                               session->pending_local_max_concurrent_stream)));
+  max = nghttp2_min_uint32(
+      100, nghttp2_max_uint32(
+               16, nghttp2_min_uint32(
+                       session->local_settings.max_concurrent_streams,
+                       session->pending_local_max_concurrent_stream)));
 
   DEBUGF("stream: adjusting kept idle streams num_idle_streams=%zu, max=%zu\n",
          session->num_idle_streams, max);
@@ -2131,10 +2132,11 @@ static nghttp2_ssize nghttp2_session_enforce_flow_control_limits(
          session->remote_window_size, session->remote_settings.max_frame_size,
          stream->stream_id, stream->remote_window_size);
 
-  return nghttp2_min(nghttp2_min(nghttp2_min(requested_window_size,
-                                             stream->remote_window_size),
-                                 session->remote_window_size),
-                     (int32_t)session->remote_settings.max_frame_size);
+  return nghttp2_min_int32(
+      nghttp2_min_int32(nghttp2_min_int32((int32_t)requested_window_size,
+                                          stream->remote_window_size),
+                        session->remote_window_size),
+      (int32_t)session->remote_settings.max_frame_size);
 }
 
 /*
@@ -2218,7 +2220,7 @@ static nghttp2_ssize session_call_select_padding(nghttp2_session *session,
   }
 
   max_paddedlen =
-      nghttp2_min(frame->hd.length + NGHTTP2_MAX_PADLEN, max_payloadlen);
+      nghttp2_min_size(frame->hd.length + NGHTTP2_MAX_PADLEN, max_payloadlen);
 
   if (session->callbacks.select_padding_callback2) {
     rv = session->callbacks.select_padding_callback2(
@@ -2248,8 +2250,8 @@ static int session_headers_add_pad(nghttp2_session *session,
   aob = &session->aob;
   framebufs = &aob->framebufs;
 
-  max_payloadlen = nghttp2_min(NGHTTP2_MAX_PAYLOADLEN,
-                               frame->hd.length + NGHTTP2_MAX_PADLEN);
+  max_payloadlen = nghttp2_min_size(NGHTTP2_MAX_PAYLOADLEN,
+                                    frame->hd.length + NGHTTP2_MAX_PADLEN);
 
   padded_payloadlen =
       session_call_select_padding(session, frame, max_payloadlen);
@@ -2289,7 +2291,7 @@ static int session_pack_extension(nghttp2_session *session, nghttp2_bufs *bufs,
          session->callbacks.pack_extension_callback);
 
   buf = &bufs->head->buf;
-  buflen = nghttp2_min(nghttp2_buf_avail(buf), NGHTTP2_MAX_PAYLOADLEN);
+  buflen = nghttp2_min_size(nghttp2_buf_avail(buf), NGHTTP2_MAX_PAYLOADLEN);
 
   if (session->callbacks.pack_extension_callback2) {
     rv = session->callbacks.pack_extension_callback2(session, buf->last, buflen,
@@ -4708,7 +4710,8 @@ int nghttp2_session_update_local_settings(nghttp2_session *session,
     case NGHTTP2_SETTINGS_HEADER_TABLE_SIZE:
       header_table_size_seen = 1;
       header_table_size = iv[i].value;
-      min_header_table_size = nghttp2_min(min_header_table_size, iv[i].value);
+      min_header_table_size =
+          nghttp2_min_uint32(min_header_table_size, iv[i].value);
       break;
     case NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE:
       new_initial_window_size = (int32_t)iv[i].value;
@@ -5594,7 +5597,7 @@ static int session_update_consumed_size(nghttp2_session *session,
     /* recv_window_size may be smaller than consumed_size, because it
        may be decreased by negative value with
        nghttp2_submit_window_update(). */
-    recv_size = nghttp2_min(*consumed_size_ptr, *recv_window_size_ptr);
+    recv_size = nghttp2_min_int32(*consumed_size_ptr, *recv_window_size_ptr);
 
     if (nghttp2_should_send_window_update(local_window_size, recv_size)) {
       rv = nghttp2_session_add_window_update(session, NGHTTP2_FLAG_NONE,
@@ -5717,7 +5720,7 @@ static int session_on_data_received_fail_fast(nghttp2_session *session) {
 static size_t inbound_frame_payload_readlen(nghttp2_inbound_frame *iframe,
                                             const uint8_t *in,
                                             const uint8_t *last) {
-  return nghttp2_min((size_t)(last - in), iframe->payloadleft);
+  return nghttp2_min_size((size_t)(last - in), iframe->payloadleft);
 }
 
 /*
@@ -5732,8 +5735,8 @@ static size_t inbound_frame_buf_read(nghttp2_inbound_frame *iframe,
                                      const uint8_t *in, const uint8_t *last) {
   size_t readlen;
 
-  readlen =
-      nghttp2_min((size_t)(last - in), nghttp2_buf_mark_avail(&iframe->sbuf));
+  readlen = nghttp2_min_size((size_t)(last - in),
+                             nghttp2_buf_mark_avail(&iframe->sbuf));
 
   iframe->sbuf.last = nghttp2_cpymem(iframe->sbuf.last, in, readlen);
 
@@ -5900,7 +5903,7 @@ nghttp2_ssize nghttp2_session_mem_recv2(nghttp2_session *session,
   for (;;) {
     switch (iframe->state) {
     case NGHTTP2_IB_READ_CLIENT_MAGIC:
-      readlen = nghttp2_min(inlen, iframe->payloadleft);
+      readlen = nghttp2_min_size(inlen, iframe->payloadleft);
 
       if (memcmp(&NGHTTP2_CLIENT_MAGIC[NGHTTP2_CLIENT_MAGIC_LEN -
                                        iframe->payloadleft],
@@ -7509,7 +7512,8 @@ int nghttp2_session_add_goaway(nghttp2_session *session, int32_t last_stream_id,
 
   /* last_stream_id must not be increased from the value previously
      sent */
-  last_stream_id = nghttp2_min(last_stream_id, session->local_last_stream_id);
+  last_stream_id =
+      nghttp2_min_int32(last_stream_id, session->local_last_stream_id);
 
   nghttp2_frame_goaway_init(&frame->goaway, last_stream_id, error_code,
                             opaque_data_copy, opaque_data_len);
@@ -7823,7 +7827,8 @@ int nghttp2_session_pack_data(nghttp2_session *session, nghttp2_bufs *bufs,
   frame->hd.length = (size_t)payloadlen;
   frame->data.padlen = 0;
 
-  max_payloadlen = nghttp2_min(datamax, frame->hd.length + NGHTTP2_MAX_PADLEN);
+  max_payloadlen =
+      nghttp2_min_size(datamax, frame->hd.length + NGHTTP2_MAX_PADLEN);
 
   padded_payloadlen =
       session_call_select_padding(session, frame, max_payloadlen);
@@ -7997,7 +8002,7 @@ int32_t nghttp2_session_get_stream_remote_window_size(nghttp2_session *session,
 
   /* stream->remote_window_size can be negative when
      SETTINGS_INITIAL_WINDOW_SIZE is changed. */
-  return nghttp2_max(0, stream->remote_window_size);
+  return nghttp2_max_int32(0, stream->remote_window_size);
 }
 
 int32_t nghttp2_session_get_remote_window_size(nghttp2_session *session) {
diff --git a/deps/nghttp2/lib/nghttp2_stream.c b/deps/nghttp2/lib/nghttp2_stream.c
index f1951f879d7927..bf8b8c39e25acb 100644
--- a/deps/nghttp2/lib/nghttp2_stream.c
+++ b/deps/nghttp2/lib/nghttp2_stream.c
@@ -312,7 +312,7 @@ int32_t nghttp2_stream_dep_distributed_weight(nghttp2_stream *stream,
                                               int32_t weight) {
   weight = stream->weight * weight / stream->sum_dep_weight;
 
-  return nghttp2_max(1, weight);
+  return nghttp2_max_int32(1, weight);
 }
 
 #ifdef STREAM_DEP_DEBUG
diff --git a/deps/nghttp2/lib/nghttp2_submit.c b/deps/nghttp2/lib/nghttp2_submit.c
index f947969cd99c1f..72e6588ffbe77d 100644
--- a/deps/nghttp2/lib/nghttp2_submit.c
+++ b/deps/nghttp2/lib/nghttp2_submit.c
@@ -411,10 +411,10 @@ int nghttp2_submit_window_update(nghttp2_session *session, uint8_t flags,
   if (window_size_increment > 0) {
     if (stream_id == 0) {
       session->consumed_size =
-          nghttp2_max(0, session->consumed_size - window_size_increment);
+          nghttp2_max_int32(0, session->consumed_size - window_size_increment);
     } else {
       stream->consumed_size =
-          nghttp2_max(0, stream->consumed_size - window_size_increment);
+          nghttp2_max_int32(0, stream->consumed_size - window_size_increment);
     }
 
     return nghttp2_session_add_window_update(session, 0, stream_id,