diff --git a/Cargo.toml b/Cargo.toml
index c98deb0..4ada954 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,10 +10,10 @@ rust-version = "1.81"
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-soroban-sdk = "21.0.0"
+soroban-sdk = "27.0.6"
 
 [dev-dependencies]
-soroban-sdk = { version = "21.0.0", features = ["testutils"] }
+soroban-sdk = { version = "27.0.6", features = ["testutils"] }
 proptest = { version = "=1.2.0", default-features = false, features = ["std"] }
 
 [[test]]