diff --git a/scripts/bump_version.sh b/scripts/bump_version.sh
index d76e313..cf875c8 100755
--- a/scripts/bump_version.sh
+++ b/scripts/bump_version.sh
@@ -9,6 +9,7 @@
 # Sets the version numbers in the source code to those given.
 #
 # Usage: bump_version.sh [ --version <version> ] [ --so-crypto <version>]
+#                           [ --so-x509 <version> ] [ --so-tls <version> ]
 #                           [ -v | --verbose ] [ -h | --help ]
 #
 
@@ -29,6 +30,14 @@
       shift
       SO_CRYPTO=$1
       ;;
+    --so-x509)
+      shift
+      SO_X509=$1
+      ;;
+    --so-tls)
+      shift
+      SO_TLS=$1
+      ;;
     -v|--verbose)
       # Be verbose
       VERBOSE="1"
@@ -39,6 +48,8 @@
       echo -e "  -h|--help\t\tPrint this help."
       echo -e "  --version <version>\tVersion to bump to."
       echo -e "  --so-crypto <version>\tSO version to bump libmbedcrypto to."
+      echo -e "  --so-x509 <version>\tSO version to bump libmbedx509 to."
+      echo -e "  --so-tls <version>\tSO version to bump libmbedtls to."
       echo -e "  -v|--verbose\t\tVerbose."
       exit 1
       ;;
@@ -72,6 +83,28 @@
   mv tmp library/Makefile
 fi
 
+if [ "X" != "X$SO_X509" ];
+then
+  [ $VERBOSE ] && echo "Bumping SOVERSION for libmbedx509 in library/CMakeLists.txt"
+  sed -e "/mbedx509/ s/ SOVERSION [0-9]\{1,\}/ SOVERSION $SO_X509/g" < library/CMakeLists.txt > tmp
+  mv tmp library/CMakeLists.txt
+
+  [ $VERBOSE ] && echo "Bumping SOVERSION for libmbedx509 in library/Makefile"
+  sed -e "s/SOEXT_X509=so.[0-9]\{1,\}/SOEXT_X509=so.$SO_X509/g" < library/Makefile > tmp
+  mv tmp library/Makefile
+fi
+
+if [ "X" != "X$SO_TLS" ];
+then
+  [ $VERBOSE ] && echo "Bumping SOVERSION for libmbedtls in library/CMakeLists.txt"
+  sed -e "/mbedtls/ s/ SOVERSION [0-9]\{1,\}/ SOVERSION $SO_TLS/g" < library/CMakeLists.txt > tmp
+  mv tmp library/CMakeLists.txt
+
+  [ $VERBOSE ] && echo "Bumping SOVERSION for libmbedtls in library/Makefile"
+  sed -e "s/SOEXT_TLS=so.[0-9]\{1,\}/SOEXT_TLS=so.$SO_TLS/g" < library/Makefile > tmp
+  mv tmp library/Makefile
+fi
+
 [ $VERBOSE ] && echo "Bumping VERSION in include/mbedtls/version.h"
 read MAJOR MINOR PATCH <<<$(IFS="."; echo $VERSION)
 VERSION_NR="$( printf "0x%02X%02X%02X00" $MAJOR $MINOR $PATCH )"