diff --git a/Documentation/BuildInstructions.md b/Documentation/BuildInstructions.md
index e9590381c8b..ec8fdafb7de 100644
--- a/Documentation/BuildInstructions.md
+++ b/Documentation/BuildInstructions.md
@@ -11,9 +11,9 @@ sudo apt install build-essential cmake curl libmpfr-dev libmpc-dev libgmp-dev e2
 ```
 Optional: `fuse2fs` for [building images without root](https://github.com/SerenityOS/serenity/pull/11224).
 
-#### GCC 12 or Clang 13
+#### GCC 12 or Clang 14
 
-A host compiler that supports C++20 features is required for building host tools, the newer the better. Tested versions include gcc-12 and clang-13.
+A host compiler that supports C++20 features is required for building host tools, the newer the better. Tested versions include gcc-12 and clang-14.
 
 On Ubuntu gcc-12 is available in the repositories of 22.04 (Jammy) and later.
 If you are running an older version, you will either need to upgrade, or find an alternative installation source.
diff --git a/Documentation/BuildInstructionsLadybird.md b/Documentation/BuildInstructionsLadybird.md
index c836166594e..1c0f86f1c67 100644
--- a/Documentation/BuildInstructionsLadybird.md
+++ b/Documentation/BuildInstructionsLadybird.md
@@ -2,7 +2,7 @@
 
 ## Build Prerequisites
 
-Qt6 development packages and a C++20 capable compiler are required. gcc-12 or clang-13 are required at a minimum for c++20 support.
+Qt6 development packages and a C++20 capable compiler are required. gcc-12 or clang-14 are required at a minimum for c++20 support.
 
 On Debian/Ubuntu required packages include, but are not limited to:
 
@@ -39,7 +39,7 @@ nix-shell ladybird.nix
 
 On macOS:
 
-Note that Xcode 13.x does not have sufficient C++20 support to build ladybird. Xcode 14.x or clang from homebrew may be required to successfully build ladybird.
+Note that Xcode 13.x does not have sufficient C++20 support to build ladybird. Xcode 14 versions before 14.3 might crash while building ladybird. Xcode 14.3 or clang from homebrew may be required to successfully build ladybird.
 
 ```
 xcode-select --install
@@ -103,7 +103,7 @@ The install rules in Ladybird/cmake/InstallRules.cmake define which binaries and
 installed into the configured CMAKE_PREFIX_PATH or path passed to ``cmake --install``.
 
 Note that when using a custom build directory rather than Meta/serenity.sh, the user may need to provide
-a suitable C++ compiler (g++ >= 12, clang >= 13, Apple Clang >= 14) via the CMAKE_CXX_COMPILER and
+a suitable C++ compiler (g++ >= 12, clang >= 14, Apple Clang >= 14.3) via the CMAKE_CXX_COMPILER and
 CMAKE_C_COMPILER cmake options.
 
 ```
diff --git a/Documentation/BuildInstructionsMacOS.md b/Documentation/BuildInstructionsMacOS.md
index e29df799704..e0545f0fca5 100644
--- a/Documentation/BuildInstructionsMacOS.md
+++ b/Documentation/BuildInstructionsMacOS.md
@@ -27,7 +27,7 @@ brew install genext2fs
 brew install x86_64-elf-gdb
 ```
 
-If you have Xcode version 13 or older, also install a newer host compiler from homebrew. Xcode 14 is known to work.
+If you have Xcode version 14.2 or older, also install a newer host compiler from homebrew. Xcode 14.3 is known to work.
 
 ```console
 brew install llvm@15
diff --git a/Meta/Lagom/BuildFuzzers.sh b/Meta/Lagom/BuildFuzzers.sh
index 0d83bc05ea7..da995648c1a 100755
--- a/Meta/Lagom/BuildFuzzers.sh
+++ b/Meta/Lagom/BuildFuzzers.sh
@@ -14,7 +14,7 @@ die() {
 
 pick_clang() {
     local BEST_VERSION=0
-    for CLANG_CANDIDATE in clang clang-13 clang-14 clang-15 /opt/homebrew/opt/llvm/bin/clang ; do
+    for CLANG_CANDIDATE in clang clang-14 clang-15 /opt/homebrew/opt/llvm/bin/clang ; do
         if ! command -v $CLANG_CANDIDATE >/dev/null 2>&1; then
             continue
         fi
@@ -33,8 +33,8 @@ pick_clang() {
             BEST_CLANG_CANDIDATE="$CLANG_CANDIDATE"
         fi
     done
-    if [ "$BEST_VERSION" -lt 13 ]; then
-        die "Please make sure that Clang version 13 or higher is installed."
+    if [ "$BEST_VERSION" -lt 14 ]; then
+        die "Please make sure that Clang version 14 or higher is installed."
     fi
 }
 
diff --git a/Meta/Lagom/ReadMe.md b/Meta/Lagom/ReadMe.md
index 03da24d01ce..f8fdd03af9f 100644
--- a/Meta/Lagom/ReadMe.md
+++ b/Meta/Lagom/ReadMe.md
@@ -61,7 +61,7 @@ To build with LLVM's libFuzzer, invoke the ``BuildFuzzers.sh`` script with no ar
 ./Build/lagom-fuzzers/FuzzSomething # The full list can be found in Fuzzers/CMakeLists.txt
 ```
 
-(Note that we require clang >= 13, see the pick_clang() function in the script for the paths that are searched)
+(Note that we require clang >= 14, see the pick_clang() function in the script for the paths that are searched)
 
 To build fuzzers without any kind of default instrumentation, pass the ``--standalone`` flag to ``BuildFuzzers.sh``:
 
diff --git a/Meta/serenity.sh b/Meta/serenity.sh
index 578206a7a6c..deb8bf49861 100755
--- a/Meta/serenity.sh
+++ b/Meta/serenity.sh
@@ -152,10 +152,12 @@ is_supported_compiler() {
     MAJOR_VERSION="${VERSION%%.*}"
     if $COMPILER --version 2>&1 | grep "Apple clang" >/dev/null; then
         # Apple Clang version check
-        [ "$MAJOR_VERSION" -ge 14 ] && return 0
+        BUILD_VERSION=$(echo | $COMPILER -dM -E - | grep __apple_build_version__ | cut -d ' ' -f3)
+        # Xcode 14.3, based on upstream LLVM 15
+        [ "$BUILD_VERSION" -ge 14030022 ] && return 0
     elif $COMPILER --version 2>&1 | grep "clang" >/dev/null; then
         # Clang version check
-        [ "$MAJOR_VERSION" -ge 13 ] && return 0
+        [ "$MAJOR_VERSION" -ge 14 ] && return 0
     else
         # GCC version check
         [ "$MAJOR_VERSION" -ge 12 ] && return 0
@@ -189,7 +191,7 @@ pick_host_compiler() {
         return
     fi
 
-    find_newest_compiler clang clang-13 clang-14 clang-15 /opt/homebrew/opt/llvm/bin/clang
+    find_newest_compiler clang clang-14 clang-15 /opt/homebrew/opt/llvm/bin/clang
     if is_supported_compiler "$HOST_COMPILER"; then
         export CC="${HOST_COMPILER}"
         export CXX="${HOST_COMPILER/clang/clang++}"
@@ -203,7 +205,11 @@ pick_host_compiler() {
         return
     fi
 
-    die "Please make sure that GCC version 12, Clang version 13, or higher is installed."
+    if [ "$(uname -s)" = "Darwin" ]; then
+        die "Please make sure that Xcode 14.3, Homebrew Clang 14, or higher is installed."
+    else
+        die "Please make sure that GCC version 12, Clang version 14, or higher is installed."
+    fi
 }
 
 cmd_with_target() {