diff --git a/Package.swift b/Package.swift
index fd20f19..4198e5b 100644
--- a/Package.swift
+++ b/Package.swift
@@ -26,7 +26,7 @@ let package = Package(
         // For `X448` support
         .package(url: "https://github.com/krzyzanowskim/OpenSSL.git", .upToNextMinor(from: "3.1.4000")),
         // For `secp256k1` support
-        .package(url: "https://github.com/GigaBitcoin/secp256k1.swift.git", .upToNextMinor(from: "0.15.0")),
+        .package(url: "https://github.com/GigaBitcoin/secp256k1.swift.git", .upToNextMinor(from: "0.13.0")),
         // For `AES_CBC_HMAC_SHA2`, `PBES2` and RSA DER encoding support
         .package(url: "https://github.com/krzyzanowskim/CryptoSwift.git", .upToNextMinor(from: "1.8.1"))
         // FOR `A256_CBC_HS512` with `ECDH-1PU-A256KW`