diff --git a/CMakeLists.txt b/CMakeLists.txt
index 440ec6a9d..e588c2698 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,7 +12,7 @@ endif()
 project(
     simdjson
     # The version number is modified by tools/release.py
-    VERSION 4.3.0
+    VERSION 4.3.1
     DESCRIPTION "Parsing gigabytes of JSON per second"
     HOMEPAGE_URL "https://simdjson.org/"
     LANGUAGES CXX C
diff --git a/Doxyfile b/Doxyfile
index fa0f450ec..b9f0eb37b 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = simdjson
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "4.3.0"
+PROJECT_NUMBER         = "4.3.1"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/include/simdjson/simdjson_version.h b/include/simdjson/simdjson_version.h
index 66406f289..174c59d40 100644
--- a/include/simdjson/simdjson_version.h
+++ b/include/simdjson/simdjson_version.h
@@ -4,7 +4,7 @@
 #define SIMDJSON_SIMDJSON_VERSION_H
 
 /** The version of simdjson being used (major.minor.revision) */
-#define SIMDJSON_VERSION "4.3.0"
+#define SIMDJSON_VERSION "4.3.1"
 
 namespace simdjson {
 enum {
@@ -19,7 +19,7 @@ enum {
   /**
    * The revision (major.minor.REVISION) of simdjson being used.
    */
-  SIMDJSON_VERSION_REVISION = 0
+  SIMDJSON_VERSION_REVISION = 1
 };
 } // namespace simdjson
 
diff --git a/singleheader/simdjson.cpp b/singleheader/simdjson.cpp
index 010cb2242..0374b89f3 100644
--- a/singleheader/simdjson.cpp
+++ b/singleheader/simdjson.cpp
@@ -1,4 +1,4 @@
-/* auto-generated on 2026-02-18 20:08:53 -0500. version 4.3.0 Do not edit! */
+/* auto-generated on 2026-02-20 16:16:37 -0500. version 4.3.1 Do not edit! */
 /* including simdjson.cpp:  */
 /* begin file simdjson.cpp */
 #define SIMDJSON_SRC_SIMDJSON_CPP
diff --git a/singleheader/simdjson.h b/singleheader/simdjson.h
index 23df944b0..cf2658af2 100644
--- a/singleheader/simdjson.h
+++ b/singleheader/simdjson.h
@@ -1,4 +1,4 @@
-/* auto-generated on 2026-02-18 20:08:53 -0500. version 4.3.0 Do not edit! */
+/* auto-generated on 2026-02-20 16:16:37 -0500. version 4.3.1 Do not edit! */
 /* including simdjson.h:  */
 /* begin file simdjson.h */
 #ifndef SIMDJSON_H
@@ -2520,7 +2520,7 @@ namespace std {
 #define SIMDJSON_SIMDJSON_VERSION_H
 
 /** The version of simdjson being used (major.minor.revision) */
-#define SIMDJSON_VERSION "4.3.0"
+#define SIMDJSON_VERSION "4.3.1"
 
 namespace simdjson {
 enum {
@@ -2535,7 +2535,7 @@ enum {
   /**
    * The revision (major.minor.REVISION) of simdjson being used.
    */
-  SIMDJSON_VERSION_REVISION = 0
+  SIMDJSON_VERSION_REVISION = 1
 };
 } // namespace simdjson
 
@@ -39901,7 +39901,7 @@ simdjson_inline bool string_builder::capacity_check(size_t upcoming_bytes) {
     return true;
   }
   // check for overflow, most of the time there is no overflow
-  if (simdjson_likely(position + upcoming_bytes < position)) {
+  if (simdjson_unlikely(position + upcoming_bytes < position)) {
     return false;
   }
   // We will rarely get here.
@@ -41812,7 +41812,7 @@ simdjson_inline bool string_builder::capacity_check(size_t upcoming_bytes) {
     return true;
   }
   // check for overflow, most of the time there is no overflow
-  if (simdjson_likely(position + upcoming_bytes < position)) {
+  if (simdjson_unlikely(position + upcoming_bytes < position)) {
     return false;
   }
   // We will rarely get here.
@@ -44223,7 +44223,7 @@ simdjson_inline bool string_builder::capacity_check(size_t upcoming_bytes) {
     return true;
   }
   // check for overflow, most of the time there is no overflow
-  if (simdjson_likely(position + upcoming_bytes < position)) {
+  if (simdjson_unlikely(position + upcoming_bytes < position)) {
     return false;
   }
   // We will rarely get here.
@@ -46634,7 +46634,7 @@ simdjson_inline bool string_builder::capacity_check(size_t upcoming_bytes) {
     return true;
   }
   // check for overflow, most of the time there is no overflow
-  if (simdjson_likely(position + upcoming_bytes < position)) {
+  if (simdjson_unlikely(position + upcoming_bytes < position)) {
     return false;
   }
   // We will rarely get here.
@@ -49160,7 +49160,7 @@ simdjson_inline bool string_builder::capacity_check(size_t upcoming_bytes) {
     return true;
   }
   // check for overflow, most of the time there is no overflow
-  if (simdjson_likely(position + upcoming_bytes < position)) {
+  if (simdjson_unlikely(position + upcoming_bytes < position)) {
     return false;
   }
   // We will rarely get here.
@@ -52003,7 +52003,7 @@ simdjson_inline bool string_builder::capacity_check(size_t upcoming_bytes) {
     return true;
   }
   // check for overflow, most of the time there is no overflow
-  if (simdjson_likely(position + upcoming_bytes < position)) {
+  if (simdjson_unlikely(position + upcoming_bytes < position)) {
     return false;
   }
   // We will rarely get here.
@@ -54320,7 +54320,7 @@ simdjson_inline bool string_builder::capacity_check(size_t upcoming_bytes) {
     return true;
   }
   // check for overflow, most of the time there is no overflow
-  if (simdjson_likely(position + upcoming_bytes < position)) {
+  if (simdjson_unlikely(position + upcoming_bytes < position)) {
     return false;
   }
   // We will rarely get here.
@@ -56660,7 +56660,7 @@ simdjson_inline bool string_builder::capacity_check(size_t upcoming_bytes) {
     return true;
   }
   // check for overflow, most of the time there is no overflow
-  if (simdjson_likely(position + upcoming_bytes < position)) {
+  if (simdjson_unlikely(position + upcoming_bytes < position)) {
     return false;
   }
   // We will rarely get here.
@@ -59004,7 +59004,7 @@ simdjson_inline bool string_builder::capacity_check(size_t upcoming_bytes) {
     return true;
   }
   // check for overflow, most of the time there is no overflow
-  if (simdjson_likely(position + upcoming_bytes < position)) {
+  if (simdjson_unlikely(position + upcoming_bytes < position)) {
     return false;
   }
   // We will rarely get here.
diff --git a/singleheader/singleheader.zip b/singleheader/singleheader.zip
index 5428ea895..fad2712ff 100644
Binary files a/singleheader/singleheader.zip and b/singleheader/singleheader.zip differ