diff --git a/bin/OpenSim.Region.PhysicsModule.BulletS.dll.config b/bin/OpenSim.Region.PhysicsModule.BulletS.dll.config
index 9718edf0c9..e6da746354 100755
--- a/bin/OpenSim.Region.PhysicsModule.BulletS.dll.config
+++ b/bin/OpenSim.Region.PhysicsModule.BulletS.dll.config
@@ -2,7 +2,7 @@
   <dllmap os="windows" cpu="x86" dll="BulletSim" target="lib32/BulletSim" />
   <dllmap os="windows" cpu="x86-64,ia64" dll="BulletSim" target="lib64/BulletSim" />
   <dllmap os="osx" cpu="x86,x86-64" dll="BulletSim" target="lib64/libBulletSim.dylib" />
-  <dllmap os="osx" cpu="arm64" dll="BulletSim" target="lib64/libBulletSim-arm64.dylib" />
+  <dllmap os="osx" cpu="arm64" dll="BulletSim" target="lib64/libBulletSim-2.86.1-arm64.dylib" />
   <dllmap os="!windows,osx" cpu="x86" dll="BulletSim" target="lib32/libBulletSim.so" />
   <dllmap os="!windows,osx" cpu="x86-64" dll="BulletSim" target="lib64/libBulletSim.so" />
   <dllmap os="!windows,osx" cpu="arm64" dll="BulletSim" target="lib64/libBulletSim-aarch64.so" />
diff --git a/bin/lib64/libBulletSim-arm64.dylib b/bin/lib64/libBulletSim-arm64.dylib
deleted file mode 100644
index 971ee1bc49..0000000000
Binary files a/bin/lib64/libBulletSim-arm64.dylib and /dev/null differ
diff --git a/bin/lib64/libubode-arm64.dylib b/bin/lib64/libubode-arm64.dylib
index 6eb1d587a5..f90049de49 100644
Binary files a/bin/lib64/libubode-arm64.dylib and b/bin/lib64/libubode-arm64.dylib differ