diff --git a/CMakeLists.txt b/CMakeLists.txt
index 564a80cd1d..94a61f0517 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,9 +36,9 @@ set(PACKAGE_URL       "https://www.clamav.net/")
 HexVersion(PACKAGE_VERSION_NUM ${PROJECT_VERSION_MAJOR} ${PROJECT_VERSION_MINOR} ${PROJECT_VERSION_PATCH})
 
 # libtool library versioning rules: http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-set(LIBCLAMAV_CURRENT  13)
-set(LIBCLAMAV_REVISION 0)
-set(LIBCLAMAV_AGE      1)
+set(LIBCLAMAV_CURRENT  12)
+set(LIBCLAMAV_REVISION 3)
+set(LIBCLAMAV_AGE      0)
 
 math(EXPR LIBCLAMAV_SOVERSION "${LIBCLAMAV_CURRENT} - ${LIBCLAMAV_AGE}")
 set(LIBCLAMAV_VERSION "${LIBCLAMAV_SOVERSION}.${LIBCLAMAV_AGE}.${LIBCLAMAV_REVISION}")