diff --git a/cabal.project b/cabal.project
index 358d8d0ebc9..1976b0a1a65 100644
--- a/cabal.project
+++ b/cabal.project
@@ -158,6 +158,13 @@ source-repository-package
 
 --------------------------------------------------------------------------------
 
+source-repository-package
+    type: git
+    location: https://github.com/jonathanknowles/wai.git
+    tag: 5ad3d1a5d472f398ded8817b0befc221a7a84cef
+    --sha256: 1nlbsqar46i9yzl8j5i8wwmya34n82b9zcnik27q3n43rxnvi1ri
+    subdir: wai-app-static
+
 source-repository-package
     type: git
     location: https://github.com/paolino/int-cast.git