diff --git a/CMakeLists.txt b/CMakeLists.txt
index f5dd51e44..1a33f191b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -55,7 +55,7 @@ else()
     endif()
 endif()
 
-set(REQUIRED_BOOST_VERSION 1.65.1)
+set(REQUIRED_BOOST_VERSION 1.73)
 find_package(Boost ${REQUIRED_BOOST_VERSION} REQUIRED)
 
 # setup main gridtools target
diff --git a/README.md b/README.md
index b5480da85..0f73ab8e8 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ CUDAHOSTCXX=`which g++` # full path to the C++ compiler to be used as CUDA host
 
 ##### Requirements
 - C++17 compiler (see also list of tested compilers)
-- Boost headers (1.77 or later)
+- Boost headers (1.73 or later)
 - CMake (3.18.1 or later)
 - CUDA Toolkit (11.0 or later, optional)
 - MPI (optional, CUDA-aware MPI for the GPU communication module `gcl_gpu`)