CMakeLists.txt: Update LIBRARY_VERSION

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6961213..c1efc99 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt

@@ -151,7 +151,7 @@
 #     Increment AGE. Set REVISION to 0
 #   If the source code was changed, but there were no interface changes:
 #     Increment REVISION.
-set(LIBRARY_VERSION "6.16.0")
+set(LIBRARY_VERSION "6.17.1")
 set(LIBRARY_SOVERSION "6")
 
 # External dependency library detection is automatic. See the top of this file,