diff --git a/meson.build b/meson.build
index 4eeb541bd8b1cdaef0aa6269ec591f73aeee9d5c..6855c0c08a8f8e0a1f1f888fac32fb4e821e3339 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('dynare',
         'cpp', 'fortran', 'c',
-        version : '6-unstable',
+        version : '6.0',
         # NB: update C++ standard in .clang-format whenever the following is modified
         default_options : [ 'cpp_std=gnu++20', 'fortran_std=f2018',
                             'c_std=gnu17', 'warning_level=2' ],
diff --git a/preprocessor b/preprocessor
index 5fa91a08f68d04a8baac4f32dab9db62b5a3546f..2039cf610ad7ace77fec0665bc11de86faab2128 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit 5fa91a08f68d04a8baac4f32dab9db62b5a3546f
+Subproject commit 2039cf610ad7ace77fec0665bc11de86faab2128