diff --git a/build.gradle b/build.gradle
index 171ede1..d3c7013 100644
--- a/build.gradle
+++ b/build.gradle
@@ -310,6 +310,7 @@
                 "android_jar/lib-v27",
                 "android_jar/lib-v28",
                 "android_jar/lib-v29",
+                "android_jar/lib-v30",
                 "core-lambda-stubs",
                 "dart-sdk",
                 "ddmlib",
diff --git a/src/main/java/com/android/tools/r8/Version.java b/src/main/java/com/android/tools/r8/Version.java
index 0dcfa7b..0eb833c 100644
--- a/src/main/java/com/android/tools/r8/Version.java
+++ b/src/main/java/com/android/tools/r8/Version.java
@@ -11,7 +11,7 @@
 
   // This field is accessed from release scripts using simple pattern matching.
   // Therefore, changing this field could break our release scripts.
-  public static final String LABEL = "2.1.7-r1";
+  public static final String LABEL = "2.1.7-r2";
 
   private Version() {
   }
diff --git a/third_party/android_jar/lib-v30.tar.gz.sha1 b/third_party/android_jar/lib-v30.tar.gz.sha1
new file mode 100644
index 0000000..700ad7c
--- /dev/null
+++ b/third_party/android_jar/lib-v30.tar.gz.sha1
@@ -0,0 +1 @@
+629e0bfb886d247246268130d946678fa1a4ca9e
\ No newline at end of file