diff --git a/.github/workflows/build_wheels.yml b/.github/workflows/build_wheels.yml
index 6439ae71..51de8fe5 100644
--- a/.github/workflows/build_wheels.yml
+++ b/.github/workflows/build_wheels.yml
@@ -9,9 +9,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ macos-13-xlarge ]
-
-    #        os: [ macos-11, macos-12, macos-13, macos-13-xlarge, macos-14, ubuntu-latest, windows-latest ]
+        os: [ macos-11, macos-12, macos-13, macos-13-xlarge, macos-14, ubuntu-latest, windows-latest ]
 
     steps:
       - uses: awvwgk/setup-fortran@main
diff --git a/camb/__init__.py b/camb/__init__.py
index 9d8a2823..b1a78dcf 100644
--- a/camb/__init__.py
+++ b/camb/__init__.py
@@ -7,7 +7,7 @@
 __author__ = "Antony Lewis"
 __contact__ = "antony at cosmologist dot info"
 __url__ = "https://camb.readthedocs.io"
-__version__ = "1.5.4.1"
+__version__ = "1.5.4.2"
 
 from . import baseconfig
 
diff --git a/fortran/config.f90 b/fortran/config.f90
index ecea7189..3e9ece38 100644
--- a/fortran/config.f90
+++ b/fortran/config.f90
@@ -3,7 +3,7 @@ module config
     use constants, only: const_twopi
     implicit none
 
-    character(LEN=*), parameter :: version = '1.5.4.1'
+    character(LEN=*), parameter :: version = '1.5.4.2'
 
     integer :: FeedbackLevel = 0 !if >0 print out useful information about the model