Index: debian-lsp/Cargo.toml
===================================================================
--- debian-lsp.orig/Cargo.toml
+++ debian-lsp/Cargo.toml
@@ -126,7 +126,7 @@ features = ["vendored"]
 optional = true
 
 [dependencies.patchkit]
-version = "0.2.4"
+version = ">= 0.2.4, < 0.4"
 
 [dependencies.rowan]
 version = "0.16.1"
