diff --git a/boost.spec b/boost.spec
index cb87d19d023..dc1b58997ad 100644
--- a/boost.spec
+++ b/boost.spec
@@ -1,15 +1,13 @@
-### RPM external boost 1.75.0
+### RPM external boost 1.78.0
 ## INCLUDE compilation_flags
-%define tag 3defebd61ecb0970c0046c85384bb34ec9572ac3
+%define tag 7f597ea02d8a714076157b4bf65fa8e5752b8468
 %define branch cms/v%realversion
 %define github_user cms-externals
 Source: git+https://github.com/%github_user/%n.git?obj=%{branch}/%{tag}&export=%{n}-%{realversion}&output=/%{n}-%{realversion}.tgz
-Patch0: boost-1.75.0-disable-statx
 Requires: python3 bz2lib zlib openmpi xz zstd
 
 %prep
 %setup -n %{n}-%{realversion}
-%patch0 -p1
 
 %build
 case %cmsos in 
@@ -36,6 +34,7 @@ echo "using python : ${PYTHONV3} : ${PYTHON3_ROOT}/bin/python3 : ${PYTHON3_ROOT}
 
 b2 -q \
    -d2 \
+   define=BOOST_FILESYSTEM_DISABLE_STATX \
    %{makeprocesses} \
    --build-dir=build-boost \
    --disable-icu \