diff --git a/appveyor.yml b/appveyor.yml
index 81dafdfe..a726d047 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,7 @@
 ---
 # configure deployment by AppVeyor.com
 
-version: 10.4.0
+version: 10.5.0
 
 image: Visual Studio 2019
 
@@ -11,13 +11,13 @@ build_script:
   - cmd: gradlew.bat build --console=plain --no-daemon
 
 artifacts:
-  - path: dist/Libbulletjme-10.4.0.jar
+  - path: dist/Libbulletjme-10.5.0.jar
     name: classJar
-  - path: dist/Libbulletjme-10.4.0-javadoc.jar
+  - path: dist/Libbulletjme-10.5.0-javadoc.jar
     name: javadocJar
-  - path: dist/Libbulletjme-10.4.0-sources.jar
+  - path: dist/Libbulletjme-10.5.0-sources.jar
     name: sourcesJar
-  - path: dist/Libbulletjme-10.4.0.pom
+  - path: dist/Libbulletjme-10.5.0.pom
     name: pom
   - path: dist/Windows32DebugDp_bulletjme.dll
     name: dll32DD
diff --git a/build.gradle b/build.gradle
index 693843b5..75bc0520 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 = '10.4.0'
+    version = '10.5.0'
     baseName = "${artifact}-${version}"
 }
 
diff --git a/release-notes.md b/release-notes.md
index fa14472f..0226800e 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -1,5 +1,12 @@
 # Release log for the Libbulletjme project
 
+## Version 10.5.0 released on 23 June 2021
+
+ + Bugfix: GImpact contact tests always fail (issue #7).
+ + Added `hasClosest()` and `hasContact()` methods
+   to the `CollisionSpace` class.
+ + Added a public `getShapeType()` method to the `CollisionShape` class.
+
 ## Version 10.4.0 released on 9 June 2021
 
  + Implemented tick listeners for the `PhysicsSpace` class.
diff --git a/src/main/native/glue/jmeClasses.h b/src/main/native/glue/jmeClasses.h
index d5200590..f629b3b1 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 "10.4.0"
+#define LIBBULLETJME_VERSION "10.5.0"
 
 #ifdef _DEBUG
 #define NULL_CHK(pEnv, pointer, message, retval) \