diff --git a/payjoin-ffi/dart/native/Cargo.toml b/payjoin-ffi/dart/native/Cargo.toml
index aef3310dd..cbaaf3354 100644
--- a/payjoin-ffi/dart/native/Cargo.toml
+++ b/payjoin-ffi/dart/native/Cargo.toml
@@ -1,10 +1,16 @@
 [workspace]
+# MSRV-aware dependency resolution: this build resolves fresh (no lockfile
+# ships to pub.dev consumers), so prefer dependency versions compatible
+# with rust-version instead of failing when a transitive dependency raises
+# its MSRV in a patch release.
+resolver = "3"
 
 [package]
 name = "payjoin-ffi-wrapper"
 description = "This is a simple wrapper crate which re-exports payjoin-ffi for publishing to pub.dev"
 version = "0.1.0"
 edition = "2021"
+rust-version = "1.85"
 license = "MIT OR Apache-2.0"
 publish = false