diff --git a/scripts/bump_version.sh b/scripts/bump_version.sh
index cee47e7..1e2680b 100755
--- a/scripts/bump_version.sh
+++ b/scripts/bump_version.sh
@@ -53,6 +53,10 @@
   [ $VERBOSE ] && echo "Bumping SOVERSION in library/CMakeLists.txt"
   sed -e "s/ SOVERSION [0-9]\+/ SOVERSION $SOVERSION/g" < library/CMakeLists.txt > tmp
   mv tmp library/CMakeLists.txt
+
+  [ $VERBOSE ] && echo "Bumping SOVERSION in library/Makefile"
+  sed -e "s/SONAME=libpolarssl.so.[0-9]\+/SONAME=libpolarssl.so.$SOVERSION/g" -e "s/DLEXT=so.[0-9]\+/DLEXT=so.$SOVERSION/g" < library/Makefile > tmp
+  mv tmp library/Makefile
 fi
 
 [ $VERBOSE ] && echo "Bumping VERSION in include/polarssl/version.h"