diff --git a/cmake/avendish.cmake b/cmake/avendish.cmake
index 30d6513d..ae221d8a 100644
--- a/cmake/avendish.cmake
+++ b/cmake/avendish.cmake
@@ -56,7 +56,7 @@ function(_avnd_dispatch_backend backend)
   cmake_language(CALL "avnd_make_${backend}" ${ARGN})
 endfunction()
 
-find_package(Boost 1.87 QUIET REQUIRED)
+find_package(Boost 1.90 QUIET REQUIRED)
 find_package(Threads QUIET)
 find_package(fmt QUIET)