diff --git a/deps/ada/ada.cpp b/deps/ada/ada.cpp
index 0cd21f21090bc6..1175b114d8addd 100644
--- a/deps/ada/ada.cpp
+++ b/deps/ada/ada.cpp
@@ -1,4 +1,4 @@
-/* auto-generated on 2023-09-29 13:28:16 -0400. Do not edit! */
+/* auto-generated on 2023-09-30 20:34:30 -0400. Do not edit! */
 /* begin file src/ada.cpp */
 #include "ada.h"
 /* begin file src/checkers.cpp */
@@ -9810,6 +9810,17 @@ constexpr bool to_lower_ascii(char* input, size_t length) noexcept {
 #if ADA_NEON
 ada_really_inline bool has_tabs_or_newline(
     std::string_view user_input) noexcept {
+  // first check for short strings in which case we do it naively.
+  if (user_input.size() < 16) {  // slow path
+    for (size_t i = 0; i < user_input.size(); i++) {
+      if (user_input[i] == '\r' || user_input[i] == '\n' ||
+          user_input[i] == '\t') {
+        return true;
+      }
+    }
+    return false;
+  }
+  // fast path for long strings (expected to be common)
   size_t i = 0;
   const uint8x16_t mask1 = vmovq_n_u8('\r');
   const uint8x16_t mask2 = vmovq_n_u8('\n');
@@ -9822,9 +9833,8 @@ ada_really_inline bool has_tabs_or_newline(
                        vceqq_u8(word, mask3));
   }
   if (i < user_input.size()) {
-    uint8_t buffer[16]{};
-    memcpy(buffer, user_input.data() + i, user_input.size() - i);
-    uint8x16_t word = vld1q_u8((const uint8_t*)user_input.data() + i);
+    uint8x16_t word =
+        vld1q_u8((const uint8_t*)user_input.data() + user_input.length() - 16);
     running = vorrq_u8(vorrq_u8(running, vorrq_u8(vceqq_u8(word, mask1),
                                                   vceqq_u8(word, mask2))),
                        vceqq_u8(word, mask3));
@@ -9834,6 +9844,17 @@ ada_really_inline bool has_tabs_or_newline(
 #elif ADA_SSE2
 ada_really_inline bool has_tabs_or_newline(
     std::string_view user_input) noexcept {
+  // first check for short strings in which case we do it naively.
+  if (user_input.size() < 16) {  // slow path
+    for (size_t i = 0; i < user_input.size(); i++) {
+      if (user_input[i] == '\r' || user_input[i] == '\n' ||
+          user_input[i] == '\t') {
+        return true;
+      }
+    }
+    return false;
+  }
+  // fast path for long strings (expected to be common)
   size_t i = 0;
   const __m128i mask1 = _mm_set1_epi8('\r');
   const __m128i mask2 = _mm_set1_epi8('\n');
@@ -9847,9 +9868,8 @@ ada_really_inline bool has_tabs_or_newline(
         _mm_cmpeq_epi8(word, mask3));
   }
   if (i < user_input.size()) {
-    alignas(16) uint8_t buffer[16]{};
-    memcpy(buffer, user_input.data() + i, user_input.size() - i);
-    __m128i word = _mm_load_si128((const __m128i*)buffer);
+    __m128i word = _mm_loadu_si128(
+        (const __m128i*)(user_input.data() + user_input.length() - 16));
     running = _mm_or_si128(
         _mm_or_si128(running, _mm_or_si128(_mm_cmpeq_epi8(word, mask1),
                                            _mm_cmpeq_epi8(word, mask2))),
diff --git a/deps/ada/ada.h b/deps/ada/ada.h
index da75a5d985b6cd..d6f705a5d6db67 100644
--- a/deps/ada/ada.h
+++ b/deps/ada/ada.h
@@ -1,4 +1,4 @@
-/* auto-generated on 2023-09-29 13:28:16 -0400. Do not edit! */
+/* auto-generated on 2023-09-30 20:34:30 -0400. Do not edit! */
 /* begin file include/ada.h */
 /**
  * @file ada.h
@@ -6928,14 +6928,14 @@ inline void url_search_params::sort() {
 #ifndef ADA_ADA_VERSION_H
 #define ADA_ADA_VERSION_H
 
-#define ADA_VERSION "2.6.9"
+#define ADA_VERSION "2.6.10"
 
 namespace ada {
 
 enum {
   ADA_VERSION_MAJOR = 2,
   ADA_VERSION_MINOR = 6,
-  ADA_VERSION_REVISION = 9,
+  ADA_VERSION_REVISION = 10,
 };
 
 }  // namespace ada
diff --git a/doc/contributing/maintaining/maintaining-dependencies.md b/doc/contributing/maintaining/maintaining-dependencies.md
index d56f1667330fac..1818156f1667b4 100644
--- a/doc/contributing/maintaining/maintaining-dependencies.md
+++ b/doc/contributing/maintaining/maintaining-dependencies.md
@@ -9,7 +9,7 @@ All dependencies are located within the `deps` directory.
 This a list of all the dependencies:
 
 * [acorn][]
-* [ada 2.6.9][]
+* [ada 2.6.10][]
 * [base64][]
 * [brotli][]
 * [c-ares][]
@@ -148,7 +148,7 @@ The [acorn](https://github.com/acornjs/acorn) dependency is a JavaScript parser.
 [acorn-walk](https://github.com/acornjs/acorn/tree/master/acorn-walk) is
 an abstract syntax tree walker for the ESTree format.
 
-### ada 2.6.9
+### ada 2.6.10
 
 The [ada](https://github.com/ada-url/ada) dependency is a
 fast and spec-compliant URL parser written in C++.
@@ -312,7 +312,7 @@ it comes from the Chromium team's zlib fork which incorporated
 performance improvements not currently available in standard zlib.
 
 [acorn]: #acorn
-[ada 2.6.9]: #ada-269
+[ada 2.6.10]: #ada-2610
 [base64]: #base64
 [brotli]: #brotli
 [c-ares]: #c-ares