diff --git a/metadata/org.sufficientlysecure.keychain.txt b/metadata/org.sufficientlysecure.keychain.txt
index 11401f3a9e..ff05335a38 100644
--- a/metadata/org.sufficientlysecure.keychain.txt
+++ b/metadata/org.sufficientlysecure.keychain.txt
@@ -276,6 +276,7 @@ Build:3.9.5,39510
     scanignore=extern/bouncycastle/core/src/test,OpenKeychain/src/test/resources/OpenPGP-Haskell/tests
 
 Build:4.0,40000
+    disable=MaxHeap4G
     commit=v4.0
     subdir=OpenKeychain
     submodules=yes