diff --git a/stellar-lend/Cargo.lock b/stellar-lend/Cargo.lock
index 23bb974b..3b55b403 100644
--- a/stellar-lend/Cargo.lock
+++ b/stellar-lend/Cargo.lock
@@ -62,28 +62,16 @@ dependencies = [
  "derive_arbitrary",
 ]
 
-[[package]]
-name = "ark-bls12-381"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c775f0d12169cba7aae4caeb547bb6a50781c7449a8aa53793827c9ec4abf488"
-dependencies = [
- "ark-ec 0.4.2",
- "ark-ff 0.4.2",
- "ark-serialize 0.4.2",
- "ark-std 0.4.0",
-]
-
 [[package]]
 name = "ark-bls12-381"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3df4dcc01ff89867cd86b0da835f23c3f02738353aaee7dde7495af71363b8d5"
 dependencies = [
- "ark-ec 0.5.0",
- "ark-ff 0.5.0",
- "ark-serialize 0.5.0",
- "ark-std 0.5.0",
+ "ark-ec",
+ "ark-ff",
+ "ark-serialize",
+ "ark-std",
 ]
 
 [[package]]
@@ -92,26 +80,9 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d69eab57e8d2663efa5c63135b2af4f396d66424f88954c21104125ab6b3e6bc"
 dependencies = [
- "ark-ec 0.5.0",
- "ark-ff 0.5.0",
- "ark-std 0.5.0",
-]
-
-[[package]]
-name = "ark-ec"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "defd9a439d56ac24968cca0571f598a61bc8c55f71d50a89cda591cb750670ba"
-dependencies = [
- "ark-ff 0.4.2",
- "ark-poly 0.4.2",
- "ark-serialize 0.4.2",
- "ark-std 0.4.0",
- "derivative",
- "hashbrown 0.13.2",
- "itertools 0.10.5",
- "num-traits",
- "zeroize",
+ "ark-ec",
+ "ark-ff",
+ "ark-std",
 ]
 
 [[package]]
@@ -121,70 +92,40 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43d68f2d516162846c1238e755a7c4d131b892b70cc70c471a8e3ca3ed818fce"
 dependencies = [
  "ahash",
- "ark-ff 0.5.0",
- "ark-poly 0.5.0",
- "ark-serialize 0.5.0",
- "ark-std 0.5.0",
+ "ark-ff",
+ "ark-poly",
+ "ark-serialize",
+ "ark-std",
  "educe",
  "fnv",
  "hashbrown 0.15.5",
- "itertools 0.13.0",
+ "itertools",
  "num-bigint",
  "num-integer",
  "num-traits",
  "zeroize",
 ]
 
-[[package]]
-name = "ark-ff"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec847af850f44ad29048935519032c33da8aa03340876d351dfab5660d2966ba"
-dependencies = [
- "ark-ff-asm 0.4.2",
- "ark-ff-macros 0.4.2",
- "ark-serialize 0.4.2",
- "ark-std 0.4.0",
- "derivative",
- "digest",
- "itertools 0.10.5",
- "num-bigint",
- "num-traits",
- "paste",
- "rustc_version",
- "zeroize",
-]
-
 [[package]]
 name = "ark-ff"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a177aba0ed1e0fbb62aa9f6d0502e9b46dad8c2eab04c14258a1212d2557ea70"
 dependencies = [
- "ark-ff-asm 0.5.0",
- "ark-ff-macros 0.5.0",
- "ark-serialize 0.5.0",
- "ark-std 0.5.0",
+ "ark-ff-asm",
+ "ark-ff-macros",
+ "ark-serialize",
+ "ark-std",
  "arrayvec",
  "digest",
  "educe",
- "itertools 0.13.0",
+ "itertools",
  "num-bigint",
  "num-traits",
  "paste",
  "zeroize",
 ]
 
-[[package]]
-name = "ark-ff-asm"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ed4aa4fe255d0bc6d79373f7e31d2ea147bcf486cba1be5ba7ea85abdb92348"
-dependencies = [
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "ark-ff-asm"
 version = "0.5.0"
@@ -195,19 +136,6 @@ dependencies = [
  "syn 2.0.117",
 ]
 
-[[package]]
-name = "ark-ff-macros"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7abe79b0e4288889c4574159ab790824d0033b9fdcb2a112a3182fac2e514565"
-dependencies = [
- "num-bigint",
- "num-traits",
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "ark-ff-macros"
 version = "0.5.0"
@@ -221,19 +149,6 @@ dependencies = [
  "syn 2.0.117",
 ]
 
-[[package]]
-name = "ark-poly"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d320bfc44ee185d899ccbadfa8bc31aab923ce1558716e1997a1e74057fe86bf"
-dependencies = [
- "ark-ff 0.4.2",
- "ark-serialize 0.4.2",
- "ark-std 0.4.0",
- "derivative",
- "hashbrown 0.13.2",
-]
-
 [[package]]
 name = "ark-poly"
 version = "0.5.0"
@@ -241,50 +156,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "579305839da207f02b89cd1679e50e67b4331e2f9294a57693e5051b7703fe27"
 dependencies = [
  "ahash",
- "ark-ff 0.5.0",
- "ark-serialize 0.5.0",
- "ark-std 0.5.0",
+ "ark-ff",
+ "ark-serialize",
+ "ark-std",
  "educe",
  "fnv",
  "hashbrown 0.15.5",
 ]
 
-[[package]]
-name = "ark-serialize"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adb7b85a02b83d2f22f89bd5cac66c9c89474240cb6207cb1efc16d098e822a5"
-dependencies = [
- "ark-serialize-derive 0.4.2",
- "ark-std 0.4.0",
- "digest",
- "num-bigint",
-]
-
 [[package]]
 name = "ark-serialize"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f4d068aaf107ebcd7dfb52bc748f8030e0fc930ac8e360146ca54c1203088f7"
 dependencies = [
- "ark-serialize-derive 0.5.0",
- "ark-std 0.5.0",
+ "ark-serialize-derive",
+ "ark-std",
  "arrayvec",
  "digest",
  "num-bigint",
 ]
 
-[[package]]
-name = "ark-serialize-derive"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae3281bc6d0fd7e549af32b52511e1302185bd688fd3359fa36423346ff682ea"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "ark-serialize-derive"
 version = "0.5.0"
@@ -296,16 +188,6 @@ dependencies = [
  "syn 2.0.117",
 ]
 
-[[package]]
-name = "ark-std"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94893f1e0c6eeab764ade8dc4c0db24caf4fe7cbbaafc0eba0a9030f447b5185"
-dependencies = [
- "num-traits",
- "rand 0.8.6",
-]
-
 [[package]]
 name = "ark-std"
 version = "0.5.0"
@@ -816,17 +698,6 @@ dependencies = [
  "serde_core",
 ]
 
-[[package]]
-name = "derivative"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "derive_arbitrary"
 version = "1.3.2"
@@ -1251,15 +1122,6 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
-[[package]]
-name = "hashbrown"
-version = "0.13.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
-dependencies = [
- "ahash",
-]
-
 [[package]]
 name = "hashbrown"
 version = "0.15.5"
@@ -1627,15 +1489,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "itertools"
-version = "0.10.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itertools"
 version = "0.13.0"
@@ -2975,25 +2828,13 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
-[[package]]
-name = "soroban-builtin-sdk-macros"
-version = "23.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9336adeabcd6f636a4e0889c8baf494658ef5a3c4e7e227569acd2ce9091e85"
-dependencies = [
- "itertools 0.10.5",
- "proc-macro2",
- "quote",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "soroban-builtin-sdk-macros"
 version = "26.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cc4a09f48a67357fdad682b601f4a2f3fdd8d897f3a97c2e1704fa22b0a474e0"
 dependencies = [
- "itertools 0.13.0",
+ "itertools",
  "proc-macro2",
  "quote",
  "syn 2.0.117",
@@ -3005,29 +2846,12 @@ version = "27.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b77bc93d930032c487cb1506b6ed166b2af49db76d52678ec4887ac621ecce01"
 dependencies = [
- "itertools 0.13.0",
+ "itertools",
  "proc-macro2",
  "quote",
  "syn 2.0.117",
 ]
 
-[[package]]
-name = "soroban-env-common"
-version = "23.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00067f52e8bbf1abf0de03fe3e2fbb06910893cfbe9a7d9093d6425658833ff3"
-dependencies = [
- "crate-git-revision 0.0.6",
- "ethnum",
- "num-derive",
- "num-traits",
- "soroban-env-macros 23.0.1",
- "soroban-wasmi",
- "static_assertions",
- "stellar-xdr 23.0.0",
- "wasmparser",
-]
-
 [[package]]
 name = "soroban-env-common"
 version = "26.1.4"
@@ -3064,16 +2888,6 @@ dependencies = [
  "wasmparser",
 ]
 
-[[package]]
-name = "soroban-env-guest"
-version = "23.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ccd1e40963517b10963a8e404348d3fe6caf9c278ac47a6effd48771297374d6"
-dependencies = [
- "soroban-env-common 23.0.1",
- "static_assertions",
-]
-
 [[package]]
 name = "soroban-env-guest"
 version = "26.1.4"
@@ -3094,53 +2908,17 @@ dependencies = [
  "static_assertions",
 ]
 
-[[package]]
-name = "soroban-env-host"
-version = "23.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9766c5ad78e9d8ae10afbc076301f7d610c16407a1ebb230766dbe007a48725"
-dependencies = [
- "ark-bls12-381 0.4.0",
- "ark-ec 0.4.2",
- "ark-ff 0.4.2",
- "ark-serialize 0.4.2",
- "curve25519-dalek",
- "ecdsa",
- "ed25519-dalek",
- "elliptic-curve",
- "generic-array",
- "getrandom 0.2.17",
- "hex-literal",
- "hmac",
- "k256",
- "num-derive",
- "num-integer",
- "num-traits",
- "p256",
- "rand 0.8.6",
- "rand_chacha 0.3.1",
- "sec1",
- "sha2",
- "sha3",
- "soroban-builtin-sdk-macros 23.0.1",
- "soroban-env-common 23.0.1",
- "soroban-wasmi",
- "static_assertions",
- "stellar-strkey 0.0.13",
- "wasmparser",
-]
-
 [[package]]
 name = "soroban-env-host"
 version = "26.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "755806fedf2c948e882dff4bf69a8e844c9950b1d534abcadba4026150180274"
 dependencies = [
- "ark-bls12-381 0.5.0",
+ "ark-bls12-381",
  "ark-bn254",
- "ark-ec 0.5.0",
- "ark-ff 0.5.0",
- "ark-serialize 0.5.0",
+ "ark-ec",
+ "ark-ff",
+ "ark-serialize",
  "curve25519-dalek",
  "ecdsa",
  "ed25519-dalek",
@@ -3173,11 +2951,11 @@ version = "27.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2c06afd7c75ce150ce53e4d77a77645b18e3fb61856a0ddc42bfcecdc39fa3b9"
 dependencies = [
- "ark-bls12-381 0.5.0",
+ "ark-bls12-381",
  "ark-bn254",
- "ark-ec 0.5.0",
- "ark-ff 0.5.0",
- "ark-serialize 0.5.0",
+ "ark-ec",
+ "ark-ff",
+ "ark-serialize",
  "curve25519-dalek",
  "ecdsa",
  "ed25519-dalek",
@@ -3204,28 +2982,13 @@ dependencies = [
  "wasmparser",
 ]
 
-[[package]]
-name = "soroban-env-macros"
-version = "23.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0e6a1c5844257ce96f5f54ef976035d5bd0ee6edefaf9f5e0bcb8ea4b34228c"
-dependencies = [
- "itertools 0.10.5",
- "proc-macro2",
- "quote",
- "serde",
- "serde_json",
- "stellar-xdr 23.0.0",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "soroban-env-macros"
 version = "26.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e446ac7f005d89cb77cc4e2cc006377e1a8c970c9b05d11968a32f78e10e4ef4"
 dependencies = [
- "itertools 0.13.0",
+ "itertools",
  "proc-macro2",
  "quote",
  "serde",
@@ -3240,7 +3003,7 @@ version = "27.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "647811bdd28a3ec40296987f6635781e5e1141c8f5affbbd53ba12b6295b7bb6"
 dependencies = [
- "itertools 0.13.0",
+ "itertools",
  "proc-macro2",
  "quote",
  "serde",
@@ -3263,25 +3026,6 @@ dependencies = [
  "thiserror 1.0.69",
 ]
 
-[[package]]
-name = "soroban-sdk"
-version = "23.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd1e11f9fd537f9df29ec1a66c1b78d666094df56e196565d292ebf9a72732b4"
-dependencies = [
- "bytes-lit 0.0.5",
- "crate-git-revision 0.0.6",
- "rand 0.8.6",
- "rustc_version",
- "serde",
- "serde_json",
- "soroban-env-guest 23.0.1",
- "soroban-env-host 23.0.1",
- "soroban-sdk-macros 23.5.3",
- "stellar-strkey 0.0.16",
- "visibility",
-]
-
 [[package]]
 name = "soroban-sdk"
 version = "26.1.1"
@@ -3325,26 +3069,6 @@ dependencies = [
  "visibility",
 ]
 
-[[package]]
-name = "soroban-sdk-macros"
-version = "23.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "caa7114e2f031b6fbd30376e844f3c55f6daf56f6f9d33ce309f846ffced316d"
-dependencies = [
- "darling 0.20.11",
- "heck",
- "itertools 0.10.5",
- "macro-string",
- "proc-macro2",
- "quote",
- "sha2",
- "soroban-env-common 23.0.1",
- "soroban-spec 23.5.3",
- "soroban-spec-rust 23.5.3",
- "stellar-xdr 23.0.0",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "soroban-sdk-macros"
 version = "26.1.1"
@@ -3353,7 +3077,7 @@ checksum = "6538ceb7d40c01499c2779b449a697c56c62a60bae6e5c5705d3a782075b5028"
 dependencies = [
  "darling 0.20.11",
  "heck",
- "itertools 0.13.0",
+ "itertools",
  "macro-string",
  "proc-macro2",
  "quote",
@@ -3373,7 +3097,7 @@ checksum = "3bd4a847273d749807fe2eb52e2b9c1917ee482cd6a39465cad5c389548996ad"
 dependencies = [
  "darling 0.20.11",
  "heck",
- "itertools 0.13.0",
+ "itertools",
  "macro-string",
  "proc-macro2",
  "quote",
@@ -3385,18 +3109,6 @@ dependencies = [
  "syn 2.0.117",
 ]
 
-[[package]]
-name = "soroban-spec"
-version = "23.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1303589e67e7c76d0571b8d797b75f9fa33a1ceb1b4361a981570a3ebf00ac19"
-dependencies = [
- "base64",
- "stellar-xdr 23.0.0",
- "thiserror 1.0.69",
- "wasmparser",
-]
-
 [[package]]
 name = "soroban-spec"
 version = "26.1.1"
@@ -3423,22 +3135,6 @@ dependencies = [
  "wasmparser",
 ]
 
-[[package]]
-name = "soroban-spec-rust"
-version = "23.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "956188f28b750b80a2bb4cd5698038746edae1be51ec19a29c7efc6dcd922e5f"
-dependencies = [
- "prettyplease",
- "proc-macro2",
- "quote",
- "sha2",
- "soroban-spec 23.5.3",
- "stellar-xdr 23.0.0",
- "syn 2.0.117",
- "thiserror 1.0.69",
-]
-
 [[package]]
 name = "soroban-spec-rust"
 version = "26.1.1"
@@ -3473,11 +3169,11 @@ dependencies = [
 
 [[package]]
 name = "soroban-token-sdk"
-version = "23.5.3"
+version = "27.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5e452eae93a8ddab7ec299cd2899f4dee394bf04861e780508874951b0c1cc5"
+checksum = "dd6dc437f9eb3fa90aed2b8f98fb709b94eded3d517def4a83e696571819b130"
 dependencies = [
- "soroban-sdk 23.5.3",
+ "soroban-sdk 27.0.6",
 ]
 
 [[package]]
@@ -3583,24 +3279,6 @@ dependencies = [
  "heapless",
 ]
 
-[[package]]
-name = "stellar-xdr"
-version = "23.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89d2848e1694b0c8db81fd812bfab5ea71ee28073e09ccc45620ef3cf7a75a9b"
-dependencies = [
- "base64",
- "cfg_eval",
- "crate-git-revision 0.0.6",
- "escape-bytes",
- "ethnum",
- "hex",
- "serde",
- "serde_with",
- "sha2",
- "stellar-strkey 0.0.13",
-]
-
 [[package]]
 name = "stellar-xdr"
 version = "26.0.1"
diff --git a/stellar-lend/Cargo.toml b/stellar-lend/Cargo.toml
index 96cefd7e..5fefcc53 100644
--- a/stellar-lend/Cargo.toml
+++ b/stellar-lend/Cargo.toml
@@ -77,7 +77,7 @@ soroban-sdk = "27.0.2"
 stellarlend-safe-math = { path = "contracts/safe-math" }
 stellarlend-math = { path = "contracts/math" }
 stellarlend-token = { path = "contracts/token" }
-soroban-token-sdk = { version = "23.4.1" }
+soroban-token-sdk = { version = "27.0.6" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 chrono = { version = "0.4", features = ["serde"] }