diff --git a/cabal.project b/cabal.project
index c3042cb85..c1a89fd74 100644
--- a/cabal.project
+++ b/cabal.project
@@ -4,7 +4,7 @@ tests: True
 
 package pandoc
   flags: +embed_data_files -trypandoc
-  ghc-options: -j +RTS -A64m -RTS
+  ghc-options: -j +RTS -A256m -RTS
 
 -- source-repository-package
 --  type: git