diff --git a/Cargo.toml b/Cargo.toml
index 2426092..2e0f32d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -55,9 +55,9 @@ rerun = { version = "0.31", default-features = false, features = [
   "log",
 ] }
 rp235x-hal = "0.4"
-# Follow copper-rs master across its spin 0.10 -> 0.11 transition without
+# Follow copper-rs master across its spin 0.10 -> 0.12 transition without
 # forcing this workspace to instantiate a separate app-level Mutex type.
-spin = { version = ">=0.10, <0.12" }
+spin = { version = ">=0.10, <0.13" }
 stm32h7xx-hal = { version = "0.16.0", default-features = false }
 tempfile = { version = "3.23", default-features = false }