diff --git a/packages/flutter_tools/lib/src/android/gradle.dart b/packages/flutter_tools/lib/src/android/gradle.dart
index 13a0be4ca25..fd7b0980579 100644
--- a/packages/flutter_tools/lib/src/android/gradle.dart
+++ b/packages/flutter_tools/lib/src/android/gradle.dart
@@ -477,6 +477,16 @@ class AndroidGradleBuilder implements AndroidBuilder {
       return;
     }
 
+    assert(
+      globals.platform.environment['NIX_AAPT2_BINARY_PATH']!.isNotEmpty,
+      'The environment variable NIX_AAPT2_BINARY_PATH is unset!',
+    );
+
+    // Force Gradle to use a custom `aapt2` binary, instead of letting it build its own.
+    options.add(
+      '-Pandroid.aapt2FromMavenOverride=${globals.platform.environment['NIX_AAPT2_BINARY_PATH']}',
+    );
+
     // Assembly work starts here.
     final BuildInfo buildInfo = androidBuildInfo.buildInfo;
     final String assembleTask = isBuildingBundle