diff --git a/buildscripts/build_shtools.sh b/buildscripts/build_shtools.sh
index 2e9795275..a20774253 100755
--- a/buildscripts/build_shtools.sh
+++ b/buildscripts/build_shtools.sh
@@ -49,8 +49,8 @@ case $FC in
         ;;
     *)
         echo "Everything else"
-        make F95="${FC}" CXX="${CXX}" F95FLAGS="-fPIC -m64 -O3 -std=gnu -ffast-math" fortran
-        make F95="${FC}" CXX="${CXX}" F95FLAGS="-fPIC -m64 -O3 -std=gnu -ffast-math" fortran-mp
+        make F95="${FC}" CXX="${CXX}" F95FLAGS="-fPIC -O3 -std=gnu -ffast-math" fortran
+        make F95="${FC}" CXX="${CXX}" F95FLAGS="-fPIC -O3 -std=gnu -ffast-math" fortran-mp
         ;;
 esac
 
diff --git a/pyproject.toml b/pyproject.toml
index e7b7f442a..143dafde4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -142,7 +142,8 @@ CMAKE_INSTALL_LIBDIR="lib"
 [tool.cibuildwheel.linux]
 skip = "cp312-* pp* -manylinux_i686* *-musllinux*"
 before-all = [
-    "yum install doxygen libxml2-devel libcurl-devel fftw-devel blas-devel lapack-devel -y",
+    "yum install epel-release -y",
+    "yum install doxygen libxml2-devel libcurl-devel fftw-devel openblas-devel lapack-devel -y",
     "buildscripts/build_dependencies.sh -p /usr/local"
 ]