diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0fc9af467..dd2317cca 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -129,8 +129,8 @@ ENDIF(NOT BUILD_SHARED_LIBS)
 
 # Define here the needed parameters
 SET (ASSIMP_VERSION_MAJOR 4)
-SET (ASSIMP_VERSION_MINOR 0)
-SET (ASSIMP_VERSION_PATCH 1)
+SET (ASSIMP_VERSION_MINOR 1)
+SET (ASSIMP_VERSION_PATCH 0)
 SET (ASSIMP_VERSION ${ASSIMP_VERSION_MAJOR}.${ASSIMP_VERSION_MINOR}.${ASSIMP_VERSION_PATCH})
 SET (ASSIMP_SOVERSION 4)
 SET (PROJECT_VERSION "${ASSIMP_VERSION}")
diff --git a/code/Version.cpp b/code/Version.cpp
index 2cd759817..fe9a2fdaa 100644
--- a/code/Version.cpp
+++ b/code/Version.cpp
@@ -46,7 +46,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "ScenePrivate.h"
 
 static const unsigned int MajorVersion = 4;
-static const unsigned int MinorVersion = 0;
+static const unsigned int MinorVersion = 1;
 
 // --------------------------------------------------------------------------------
 // Legal information string - dont't remove this.
diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index 8d51259a8..ffe39f9f7 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -32,7 +32,7 @@ PROJECT_NAME           = Assimp
 # This could be handy for archiving the generated documentation or 
 # if some version control system is used.
 
-PROJECT_NUMBER         = "v3.1.1 (June 2014)"
+PROJECT_NUMBER         = "v4.1. (December 2018)"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description 
 # for a project that appears at the top of each page and should give viewer 
diff --git a/test/unit/utVersion.cpp b/test/unit/utVersion.cpp
index 677a131c9..a424a27cf 100644
--- a/test/unit/utVersion.cpp
+++ b/test/unit/utVersion.cpp
@@ -54,7 +54,7 @@ TEST_F( utVersion, aiGetLegalStringTest ) {
 }
 
 TEST_F( utVersion, aiGetVersionMinorTest ) {
-    EXPECT_EQ( aiGetVersionMinor(), 0U );
+    EXPECT_EQ( aiGetVersionMinor(), 1U );
 }
     
 TEST_F( utVersion, aiGetVersionMajorTest ) {