diff --git a/.gitignore b/.gitignore
index b60171cf2d..a154de3e94 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@
 *.exe
 *.o
 *.so
+!src/main/resources/META-INF/versions/9/module-info.class
 
 # Packages #
 ############
diff --git a/build.gradle b/build.gradle
index 3a87a423e1..520d08ace2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -86,6 +86,7 @@ animalsniffer {
 }
 
 jar {
+    bnd('-fixupmessages': '^Classes found in the wrong directory: \\\\{META-INF/versions/9/module-info\\\\.class=module-info}$')
     bnd(
             "Bundle-Name": "rxjava",
             "Bundle-Vendor": "RxJava Contributors",
@@ -95,7 +96,8 @@ jar {
             "Eclipse-ExtensibleAPI": "true",
             "Automatic-Module-Name": "io.reactivex.rxjava3",
             "Export-Package": "!io.reactivex.rxjava3.internal.*, io.reactivex.rxjava3.*",
-            "Bundle-SymbolicName": "io.reactivex.rxjava3.rxjava"
+            "Bundle-SymbolicName": "io.reactivex.rxjava3.rxjava",
+            "Multi-Release": "true"
     )
 }
 
diff --git a/src/main/resources/META-INF/versions/9/module-info.class b/src/main/resources/META-INF/versions/9/module-info.class
new file mode 100644
index 0000000000..67f1cf163d
Binary files /dev/null and b/src/main/resources/META-INF/versions/9/module-info.class differ