diff --git a/include/OpenThreads/Version b/include/OpenThreads/Version
index 2a82e5cfe..1fbe1e7fe 100644
--- a/include/OpenThreads/Version
+++ b/include/OpenThreads/Version
@@ -21,7 +21,7 @@ extern "C" {
 #define OPENTHREADS_MAJOR_VERSION 3
 #define OPENTHREADS_MINOR_VERSION 3
 #define OPENTHREADS_PATCH_VERSION 0
-#define OPENTHREADS_SOVERSION 14
+#define OPENTHREADS_SOVERSION 20
 
 /** OpenThreadsGetVersion() returns the library version number.
  * Numbering convention : OpenThreads-1.0 will return 1.0 from OpenThreadsGetVersion. */
diff --git a/src/OpenThreads/CMakeLists.txt b/src/OpenThreads/CMakeLists.txt
index 625f8f3a4..70b1eda13 100644
--- a/src/OpenThreads/CMakeLists.txt
+++ b/src/OpenThreads/CMakeLists.txt
@@ -5,7 +5,7 @@ ADD_DEFINITIONS(-DOPENTHREADS_EXPORTS)
 SET(OPENTHREADS_MAJOR_VERSION 3)
 SET(OPENTHREADS_MINOR_VERSION 3)
 SET(OPENTHREADS_PATCH_VERSION 0)
-SET(OPENTHREADS_SOVERSION 14)
+SET(OPENTHREADS_SOVERSION 20)
 
 SET(OPENTHREADS_VERSION ${OPENTHREADS_MAJOR_VERSION}.${OPENTHREADS_MINOR_VERSION}.${OPENTHREADS_PATCH_VERSION})