Index: rsa/Cargo.toml
===================================================================
--- rsa.orig/Cargo.toml
+++ rsa/Cargo.toml
@@ -117,7 +117,7 @@ optional = true
 default-features = false
 
 [dependencies.signature]
-version = ">2.0, <2.3"
+version = "2.2"
 features = [
     "alloc",
     "digest",
