diff --git a/build.gradle b/build.gradle
index 32b121f..b05794c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,7 +26,7 @@ dependencies {
 
     // dependencies added by the plugin
     // not used in the plugin code, but here Dependabot will keep them up to date
-    addedDependencies "com.uber.nullaway:nullaway:0.10.18@jar"
+    addedDependencies "com.uber.nullaway:nullaway:0.10.21@jar"
     addedDependencies "com.google.errorprone:error_prone_core:2.24.0@jar"
 
     compileOnly    "org.jspecify:jspecify:0.3.0"