diff --git a/appveyor.yml b/appveyor.yml
index bcd17a82..8b9774a6 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,7 @@
 ---
 # configure deployment by AppVeyor.com
 
-version: 18.2.0
+version: 18.2.1
 
 image: Visual Studio 2022
 
@@ -11,15 +11,15 @@ build_script:
   - cmd: gradlew.bat build --console=plain --no-daemon
 
 artifacts:
-  - path: dist/Libbulletjme-18.2.0.jar
+  - path: dist/Libbulletjme-18.2.1.jar
     name: classJar
-  - path: dist/Libbulletjme-18.2.0-javadoc.jar
+  - path: dist/Libbulletjme-18.2.1-javadoc.jar
     name: javadocJar
-  - path: dist/Libbulletjme-18.2.0-sources.jar
+  - path: dist/Libbulletjme-18.2.1-sources.jar
     name: sourcesJar
-  - path: dist/Libbulletjme-18.2.0.pom
+  - path: dist/Libbulletjme-18.2.1.pom
     name: pom
-  - path: dist/Libbulletjme-18.2.0.module
+  - path: dist/Libbulletjme-18.2.1.module
     name: module
   - path: dist/Windows32DebugDp_bulletjme.dll
     name: dll32DD
diff --git a/build.gradle b/build.gradle
index e00da15d..39fe1c9e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,7 +11,7 @@ plugins {
 ext {
     group = 'com.github.stephengold'
     artifact = 'Libbulletjme'
-    version = '18.2.0'
+    version = '18.2.1'
     baseName = "${artifact}-${version}" // for artifacts
     websiteUrl = 'https://github.com/stephengold/Libbulletjme'
 }
@@ -171,8 +171,8 @@ model {
                     }
                 } else {
                     // non-CI build (neither -Pgithub= nor -Ptravis= specified)
-                    //buildable = !pName.startsWith('Linux_ARM')
-                    buildable = (pName == 'Linux64') // to build Linux64 only
+                    buildable = !pName.startsWith('Linux_ARM')
+                    //buildable = (pName == 'Linux64') // to build Linux64 only
                     //buildable = (pName == 'Windows64') // to build Windows64 only
                 }
 
diff --git a/release-notes.md b/release-notes.md
index 2ad796ba..d4440758 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -1,6 +1,6 @@
 # Release log for the Libbulletjme project
 
-## Version 18.2.0 released on 17 May 2023
+## Version 18.2.1 released on 17 May 2023
 
 + Bugfix: the gravity of a rigid body is altered by a rebuild
 + Integrated https://github.com/bulletphysics/bullet3/pull/4413
diff --git a/src/main/java/com/jme3/bullet/util/NativeLibrary.java b/src/main/java/com/jme3/bullet/util/NativeLibrary.java
index 7611460a..c2817b43 100644
--- a/src/main/java/com/jme3/bullet/util/NativeLibrary.java
+++ b/src/main/java/com/jme3/bullet/util/NativeLibrary.java
@@ -52,7 +52,7 @@ final public class NativeLibrary {
     /**
      * expected version string of the native library
      */
-    final public static String expectedVersion = "18.2.0";
+    final public static String expectedVersion = "18.2.1";
     // *************************************************************************
     // constructors
 
diff --git a/src/main/native/glue/jmeClasses.h b/src/main/native/glue/jmeClasses.h
index 2c4e416a..7356edec 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 "18.2.0"
+#define LIBBULLETJME_VERSION "18.2.1"
 
 #define EXCEPTION_CHK(pEnv, retval) \
     if (pEnv->ExceptionCheck()) { \