diff --git a/Formula/f/fluent-bit.rb b/Formula/f/fluent-bit.rb
index bbb52398c4923..643af44d1c314 100644
--- a/Formula/f/fluent-bit.rb
+++ b/Formula/f/fluent-bit.rb
@@ -1,8 +1,8 @@
 class FluentBit < Formula
   desc "Fast and Lightweight Logs and Metrics processor"
   homepage "https://github.com/fluent/fluent-bit"
-  url "https://github.com/fluent/fluent-bit/archive/refs/tags/v3.0.7.tar.gz"
-  sha256 "9c9b94bcdcf1cd0a899b24e1d3e18c6269227512661631814c2ac820683e2ec8"
+  url "https://github.com/fluent/fluent-bit/archive/refs/tags/v3.1.2.tar.gz"
+  sha256 "13f6f83371039fe62f7f97f272a4d2bcd559ade03e5b9049cd53837024825c53"
   license "Apache-2.0"
   head "https://github.com/fluent/fluent-bit.git", branch: "master"
 
@@ -57,14 +57,13 @@ def install
 end
 
 __END__
+diff --git a/lib/luajit-cmake/LuaJIT.cmake b/lib/luajit-cmake/LuaJIT.cmake
+index c0dee58..80d26e2 100644
 --- a/lib/luajit-cmake/LuaJIT.cmake
 +++ b/lib/luajit-cmake/LuaJIT.cmake
-@@ -569,13 +569,13 @@ set(luajit_headers
-   ${LJ_DIR}/luaconf.h
-   ${LJ_DIR}/luajit.h
-   ${LJ_DIR}/lualib.h)
--install(FILES ${luajit_headers} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/luajit)
-+install(FILES ${luajit_headers} DESTINATION ${CMAKE_INSTALL_LIBEXECDIR}/include/luajit)
+@@ -669,11 +669,11 @@ set(luajit_headers
+   ${CMAKE_CURRENT_BINARY_DIR}/luajit.h)
+ install(FILES ${luajit_headers} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/luajit)
  install(TARGETS libluajit
 -    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
 -    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
@@ -76,4 +75,4 @@ def install
 +if (FALSE)
    add_executable(luajit ${LJ_DIR}/luajit.c)
    target_link_libraries(luajit libluajit)
-   if(APPLE AND ${CMAKE_C_COMPILER_ID} STREQUAL "zig")
+   target_include_directories(luajit PRIVATE