Bump SO version for libmbedcrypto

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index 5270904..a69e733 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -202,7 +202,7 @@
 
 if(USE_SHARED_MBEDTLS_LIBRARY)
     add_library(${mbedcrypto_target} SHARED ${src_crypto})
-    set_target_properties(${mbedcrypto_target} PROPERTIES VERSION 2.27.0 SOVERSION 6)
+    set_target_properties(${mbedcrypto_target} PROPERTIES VERSION 2.27.0 SOVERSION 7)
     target_link_libraries(${mbedcrypto_target} PUBLIC ${libs})
 
     add_library(${mbedx509_target} SHARED ${src_x509})
diff --git a/library/Makefile b/library/Makefile
index dc101d2..6fdc927 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -41,7 +41,7 @@
 
 SOEXT_TLS=so.13
 SOEXT_X509=so.1
-SOEXT_CRYPTO=so.6
+SOEXT_CRYPTO=so.7
 
 # Set AR_DASH= (empty string) to use an ar implementation that does not accept
 # the - prefix for command line options (e.g. llvm-ar)