diff --git a/macOS/build.sh b/macOS/build.sh
index 82e06cd7b6e176fb2800cec3dae25be51f7ef96f..9998514d8d5d3ade59547d6dc24ef2ac8eb94b59 100755
--- a/macOS/build.sh
+++ b/macOS/build.sh
@@ -22,8 +22,8 @@ set -ex
 ROOTDIR=$(pwd)/..
 
 # Set the compilers
-CC=gcc-9
-CXX=g++-9
+CC=gcc-10
+CXX=g++-10
 
 # Set the number of threads
 NTHREADS=$(nproc)
diff --git a/preprocessor b/preprocessor
index d39fca02b477e289d5cf95fd7693c64fb4524f66..553c26337d457dfcedee2c4fce0bbfb8ed349f6b 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit d39fca02b477e289d5cf95fd7693c64fb4524f66
+Subproject commit 553c26337d457dfcedee2c4fce0bbfb8ed349f6b