diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2f344fd9c..45ef67274 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -51,7 +51,7 @@ set_target_properties(mapnik PROPERTIES
     IMPORT_PREFIX "lib" # for the archive on dll platforms
     VERSION ${MAPNIK_VERSION}
     # see https://github.com/mapnik/mapnik/pull/4248#issuecomment-925596509 => ABI compability only with the full version
-    SOVERSION ${MAPNIK_VERSION}
+    SOVERSION ${MAPNIK_MAJOR_VERSION}.${MAPNIK_MINOR_VERSION}
 )
 
 if(MSVC)
diff --git a/src/json/CMakeLists.txt b/src/json/CMakeLists.txt
index 4f64355fd..fd19b38e2 100644
--- a/src/json/CMakeLists.txt
+++ b/src/json/CMakeLists.txt
@@ -30,7 +30,7 @@ set_target_properties(json PROPERTIES
     IMPORT_PREFIX "lib"
     VERSION ${MAPNIK_VERSION}
     # see mapnik target for explanation
-    SOVERSION ${MAPNIK_VERSION}
+    SOVERSION ${MAPNIK_MAJOR_VERSION}.${MAPNIK_MINOR_VERSION}
 )
 
 mapnik_install(json)
diff --git a/src/wkt/CMakeLists.txt b/src/wkt/CMakeLists.txt
index 7507fd519..fd719a710 100644
--- a/src/wkt/CMakeLists.txt
+++ b/src/wkt/CMakeLists.txt
@@ -22,7 +22,7 @@ set_target_properties(wkt PROPERTIES
     IMPORT_PREFIX "lib"
     VERSION ${MAPNIK_VERSION}
     # see mapnik target for explanation
-    SOVERSION ${MAPNIK_VERSION}
+    SOVERSION ${MAPNIK_MAJOR_VERSION}.${MAPNIK_MINOR_VERSION}
 )
 
 mapnik_install(wkt)