diff --git a/Sources/Packages/Sources/SecureEnclaveSecretKit/SecureEnclaveStore.swift b/Sources/Packages/Sources/SecureEnclaveSecretKit/SecureEnclaveStore.swift
index 0d5396a..c48e0a4 100644
--- a/Sources/Packages/Sources/SecureEnclaveSecretKit/SecureEnclaveStore.swift
+++ b/Sources/Packages/Sources/SecureEnclaveSecretKit/SecureEnclaveStore.swift
@@ -106,7 +106,7 @@ extension SecureEnclave {
         }
         
         public func sign(data: Data, with secret: Secret, for provenance: SigningRequestProvenance) throws -> Data {
-            var context: LAContext
+            let context: LAContext
             if let existing = persistedAuthenticationContexts.lockedValue[secret], existing.valid {
                 context = existing.context
             } else {