diff --git a/meson.build b/meson.build
index de539eb..065be7f 100644
--- a/meson.build
+++ b/meson.build
@@ -274,6 +274,8 @@
     ]
     opt.add_cmake_defines(
         {
+            # 1.86.0 fails this.  Hopefully fixed in 1.86.1
+            'CMAKE_CXX_FLAGS': '-Wno-unused-parameter',
             'BOOST_INCLUDE_LIBRARIES': ';'.join(boost_libs),
             'BUILD_SHARED_LIBS': 'OFF',
         },
diff --git a/subprojects/boost.wrap b/subprojects/boost.wrap
index 5912c6f..f9b7683 100644
--- a/subprojects/boost.wrap
+++ b/subprojects/boost.wrap
@@ -1,9 +1,9 @@
 [wrap-file]
-directory = boost-1.84.0
+directory = boost-1.86.0
 
-source_url = https://github.com/boostorg/boost/releases/download/boost-1.84.0/boost-1.84.0.tar.gz
-source_hash = 4d27e9efed0f6f152dc28db6430b9d3dfb40c0345da7342eaa5a987dde57bd95
-source_filename = 1_84_0.tar.gz
+source_url = https://github.com/boostorg/boost/releases/download/boost-1.86.0/boost-1.86.0.tar.gz
+source_hash = c62ce6e64d34414864fef946363db91cea89c1b90360eabed0515f0eda74c75c
+source_filename = 1_86_0.tar.gz
 
 [provide]
 boost = boost_dep