diff --git a/appveyor.yml b/appveyor.yml
index 4e21d2f6..5581e3bf 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,7 @@
 ---
 # configure deployment by AppVeyor.com
 
-version: 11.2.0
+version: 11.2.1
 
 image: Visual Studio 2019
 
@@ -11,13 +11,13 @@ build_script:
   - cmd: gradlew.bat build --console=plain --no-daemon
 
 artifacts:
-  - path: dist/Libbulletjme-11.2.0.jar
+  - path: dist/Libbulletjme-11.2.1.jar
     name: classJar
-  - path: dist/Libbulletjme-11.2.0-javadoc.jar
+  - path: dist/Libbulletjme-11.2.1-javadoc.jar
     name: javadocJar
-  - path: dist/Libbulletjme-11.2.0-sources.jar
+  - path: dist/Libbulletjme-11.2.1-sources.jar
     name: sourcesJar
-  - path: dist/Libbulletjme-11.2.0.pom
+  - path: dist/Libbulletjme-11.2.1.pom
     name: pom
   - path: dist/Windows32DebugDp_bulletjme.dll
     name: dll32DD
diff --git a/build.gradle b/build.gradle
index d4ca61ae..75b2814f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,7 +10,7 @@ plugins {
 description = 'a JNI interface for Bullet Physics and V-HACD'
 ext {
     artifact = 'Libbulletjme'
-    version = '11.2.0'
+    version = '11.2.1'
     baseName = "${artifact}-${version}"
 }
 
diff --git a/release-notes.md b/release-notes.md
index dcdf749b..98361ca9 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -1,5 +1,9 @@
 # Release log for the Libbulletjme project
 
+## Version 11.2.1 released on 14 August 2021.
+
+Optimized Release-type builds that use Microsoft's Visual C++ compiler.
+
 ## Version 11.2.0 released on 13 August 2021.
 
  + Bugfix: pure virtual call by btGImpactMeshShape destructor (Minie issue #17)
diff --git a/src/main/native/glue/jmeClasses.h b/src/main/native/glue/jmeClasses.h
index 396cb363..21215d60 100644
--- a/src/main/native/glue/jmeClasses.h
+++ b/src/main/native/glue/jmeClasses.h
@@ -38,7 +38,7 @@
 
 #include <jni.h>
 
-#define LIBBULLETJME_VERSION "11.2.0"
+#define LIBBULLETJME_VERSION "11.2.1"
 
 #ifdef _DEBUG
 #define NULL_CHK(pEnv, pointer, message, retval) \