diff --git a/brink.conf b/brink.conf
index 62e81a6e7..493380b80 100644
--- a/brink.conf
+++ b/brink.conf
@@ -1,5 +1,5 @@
 BASE_REQUIREMENTS='pip==20.3.4chevah chevah-brink==0.79.0 paver==1.2.4'
-PYTHON_CONFIGURATION='default@2.7.18.241e9fe'
+PYTHON_CONFIGURATION='default@2.7.18.90dc4a6'
 # For production packages there are 2 options:
 BINARY_DIST_URI='https://github.com/chevah/python-package/releases/download'
 #BINARY_DIST_URI='https://bin.chevah.com:20443/production'
diff --git a/brink.sh b/brink.sh
index c75df49f4..c551520a1 100755
--- a/brink.sh
+++ b/brink.sh
@@ -139,6 +139,10 @@ clean_build() {
     delete_folder ${DIST_FOLDER}
     echo "Removing publish..."
     delete_folder 'publish'
+    echo "Removing node_modules..."
+    delete_folder node_modules
+    echo "Removing web build"
+    delete_folder chevah/server/static/build/
 
     # In some case pip hangs with a build folder in temp and
     # will not continue until it is manually removed.
@@ -766,7 +770,12 @@ detect_os() {
                         os_version_raw="$VERSION_ID"
                         check_os_version "Red Hat Enterprise Linux" 8 \
                             "$os_version_raw" os_version_chevah
-                        set_os_if_not_generic "rhel" $os_version_chevah
+                        if [ ${os_version_chevah} == "8" ]; then
+                            set_os_if_not_generic "rhel" $os_version_chevah
+                        else
+                            # OpenSSL 3.0.x not supported by cryptography 3.3.x.
+                            check_linux_libc
+                        fi
                         ;;
                     ubuntu|ubuntu-core)
                         os_version_raw="$VERSION_ID"
diff --git a/chevah_build b/chevah_build
index 01adaa765..f3599d70a 100755
--- a/chevah_build
+++ b/chevah_build
@@ -345,7 +345,8 @@ case "$ARCH" in
         ;;
 esac
 # Only add to $MAKE if there is one, so that NMAKE on Windows is not confused.
-if [ -n "${MAKE-}" ]; then
+# But not on AIX, where there are random errors w/ parallel builds on IBM Cloud.
+if [ -n "${MAKE-}" -a "${OS%aix*}" != "" ]; then
     export MAKE="$MAKE -j${JOBS}"
 fi