diff --git a/build-constraints.yaml b/build-constraints.yaml
index df8e70a0..b617a98e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -9,6 +9,9 @@ cabal-format-version: "3.0"
 
 # Constraints for brand new builds
 packages:
+    "Julian Ospald <hasufell@posteo.de> @hasufell":
+        - os-string >= 2.0.2
+        - file-io >= 0.1.1
 
     "Dominick Samperi <djsamperi@gmail.com> @djsamperi":
         - mathlist