diff --git a/Cargo.lock b/Cargo.lock
index 93990ff..6da6274 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,6 +14,12 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "allocator-api2"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
+
 [[package]]
 name = "android_system_properties"
 version = "0.1.5"
@@ -40,9 +46,9 @@ dependencies = [
 
 [[package]]
 name = "ark-bls12-381"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c775f0d12169cba7aae4caeb547bb6a50781c7449a8aa53793827c9ec4abf488"
+checksum = "3df4dcc01ff89867cd86b0da835f23c3f02738353aaee7dde7495af71363b8d5"
 dependencies = [
  "ark-ec",
  "ark-ff",
@@ -52,9 +58,9 @@ dependencies = [
 
 [[package]]
 name = "ark-bn254"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a22f4561524cd949590d78d7d4c5df8f592430d221f7f3c9497bbafd8972120f"
+checksum = "d69eab57e8d2663efa5c63135b2af4f396d66424f88954c21104125ab6b3e6bc"
 dependencies = [
  "ark-ec",
  "ark-ff",
@@ -63,110 +69,123 @@ dependencies = [
 
 [[package]]
 name = "ark-ec"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "defd9a439d56ac24968cca0571f598a61bc8c55f71d50a89cda591cb750670ba"
+checksum = "43d68f2d516162846c1238e755a7c4d131b892b70cc70c471a8e3ca3ed818fce"
 dependencies = [
+ "ahash",
  "ark-ff",
  "ark-poly",
  "ark-serialize",
  "ark-std",
- "derivative",
- "hashbrown 0.13.2",
+ "educe",
+ "fnv",
+ "hashbrown 0.15.5",
  "itertools",
+ "num-bigint",
+ "num-integer",
  "num-traits",
  "zeroize",
 ]
 
 [[package]]
 name = "ark-ff"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec847af850f44ad29048935519032c33da8aa03340876d351dfab5660d2966ba"
+checksum = "a177aba0ed1e0fbb62aa9f6d0502e9b46dad8c2eab04c14258a1212d2557ea70"
 dependencies = [
  "ark-ff-asm",
  "ark-ff-macros",
  "ark-serialize",
  "ark-std",
- "derivative",
+ "arrayvec",
  "digest",
+ "educe",
  "itertools",
  "num-bigint",
  "num-traits",
  "paste",
- "rustc_version",
  "zeroize",
 ]
 
 [[package]]
 name = "ark-ff-asm"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ed4aa4fe255d0bc6d79373f7e31d2ea147bcf486cba1be5ba7ea85abdb92348"
+checksum = "62945a2f7e6de02a31fe400aa489f0e0f5b2502e69f95f853adb82a96c7a6b60"
 dependencies = [
  "quote",
- "syn 1.0.109",
+ "syn",
 ]
 
 [[package]]
 name = "ark-ff-macros"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7abe79b0e4288889c4574159ab790824d0033b9fdcb2a112a3182fac2e514565"
+checksum = "09be120733ee33f7693ceaa202ca41accd5653b779563608f1234f78ae07c4b3"
 dependencies = [
  "num-bigint",
  "num-traits",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn",
 ]
 
 [[package]]
 name = "ark-poly"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d320bfc44ee185d899ccbadfa8bc31aab923ce1558716e1997a1e74057fe86bf"
+checksum = "579305839da207f02b89cd1679e50e67b4331e2f9294a57693e5051b7703fe27"
 dependencies = [
+ "ahash",
  "ark-ff",
  "ark-serialize",
  "ark-std",
- "derivative",
- "hashbrown 0.13.2",
+ "educe",
+ "fnv",
+ "hashbrown 0.15.5",
 ]
 
 [[package]]
 name = "ark-serialize"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adb7b85a02b83d2f22f89bd5cac66c9c89474240cb6207cb1efc16d098e822a5"
+checksum = "3f4d068aaf107ebcd7dfb52bc748f8030e0fc930ac8e360146ca54c1203088f7"
 dependencies = [
  "ark-serialize-derive",
  "ark-std",
+ "arrayvec",
  "digest",
  "num-bigint",
 ]
 
 [[package]]
 name = "ark-serialize-derive"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae3281bc6d0fd7e549af32b52511e1302185bd688fd3359fa36423346ff682ea"
+checksum = "213888f660fddcca0d257e88e54ac05bca01885f258ccdf695bafd77031bb69d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn",
 ]
 
 [[package]]
 name = "ark-std"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94893f1e0c6eeab764ade8dc4c0db24caf4fe7cbbaafc0eba0a9030f447b5185"
+checksum = "246a225cc6131e9ee4f24619af0f19d67761fff15d7ccc22e42b80846e69449a"
 dependencies = [
  "num-traits",
  "rand 0.8.5",
 ]
 
+[[package]]
+name = "arrayvec"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
+
 [[package]]
 name = "autocfg"
 version = "1.5.0"
@@ -242,7 +261,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -269,7 +288,7 @@ checksum = "45565fc9416b9896014f5732ac776f810ee53a66730c17e4020c3ec064a8f88f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -378,7 +397,7 @@ checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -412,7 +431,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -425,7 +444,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -436,7 +455,7 @@ checksum = "fc34b93ccb385b40dc71c6fceac4b2ad23662c7eeb248cf10d529b7e055b6ead"
 dependencies = [
  "darling_core 0.20.11",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -447,7 +466,7 @@ checksum = "ac3984ec7bd6cfa798e62b4a642426a5be0e68f9401cfc2a01e3fa9ea2fcdb8d"
 dependencies = [
  "darling_core 0.23.0",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -476,17 +495,6 @@ 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"
@@ -495,7 +503,7 @@ checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -575,6 +583,18 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "educe"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7bc049e1bd8cdeb31b68bbd586a9464ecf9f3944af3958a7a9d0f8b9799417"
+dependencies = [
+ "enum-ordinalize",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "either"
 version = "1.15.0"
@@ -599,6 +619,26 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "enum-ordinalize"
+version = "4.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a1091a7bb1f8f2c4b28f1fe2cef4980ca2d410a3d727d67ecc3178c9b0800f0"
+dependencies = [
+ "enum-ordinalize-derive",
+]
+
+[[package]]
+name = "enum-ordinalize-derive"
+version = "4.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ca9601fb2d62598ee17836250842873a413586e5d7ed88b356e38ddbb0ec631"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.2"
@@ -623,9 +663,9 @@ checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
 
 [[package]]
 name = "ethnum"
-version = "1.5.2"
+version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca81e6b4777c89fd810c25a4be2b1bd93ea034fbe58e6a75216a34c6b82c539b"
+checksum = "40404c3f5f511ec4da6fe866ddf6a717c309fdbb69fbbad7b0f3edab8f2e835f"
 
 [[package]]
 name = "fastrand"
@@ -742,21 +782,13 @@ 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"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
 dependencies = [
+ "allocator-api2",
  "foldhash",
 ]
 
@@ -873,9 +905,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
 dependencies = [
  "either",
 ]
@@ -955,7 +987,7 @@ checksum = "1b27834086c65ec3f9387b096d66e99f221cf081c2b738042aa252bcd41204e3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -988,7 +1020,7 @@ checksum = "ed3955f1a9c7c0c15e092f9c887db08b1fc683305fdf6eb6684f22555355e202"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1038,6 +1070,7 @@ name = "paystream-stream"
 version = "0.1.0"
 dependencies = [
  "paystream-token",
+ "proptest",
  "soroban-sdk",
 ]
 
@@ -1089,7 +1122,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
 dependencies = [
  "proc-macro2",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1241,7 +1274,7 @@ checksum = "b7186006dcb21920990093f30e3dea63b7d6e977bf1256be20c3563a5db070da"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1381,7 +1414,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1426,7 +1459,7 @@ dependencies = [
  "darling 0.23.0",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1474,21 +1507,21 @@ checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
 
 [[package]]
 name = "soroban-builtin-sdk-macros"
-version = "25.0.1"
+version = "26.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7192e3a5551a7aeee90d2110b11b615798e81951fd8c8293c87ea7f88b0168f5"
+checksum = "35a3a2b57b132b800e132d2c81e1818359bb2cf787ca39c61c151d6bd0798403"
 dependencies = [
  "itertools",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "soroban-env-common"
-version = "25.0.1"
+version = "26.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfc49a80a68fc1005847308e63b9fce39874de731940b1807b721d472de3ff01"
+checksum = "0c76fad735f9622d8aa0fa0c75838d2023a659a0c57638a783b8b2eb967f7822"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -1505,9 +1538,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "25.0.1"
+version = "26.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea2334ba1cfe0a170ab744d96db0b4ca86934de9ff68187ceebc09dc342def55"
+checksum = "15aeed6d7a4dc4d3bba65e2ac92f7eeaa664900bbc82e1055e024bf637d74ed3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -1515,9 +1548,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "25.0.1"
+version = "26.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43af5d53c57bc2f546e122adc0b1cca6f93942c718977379aa19ddd04f06fcec"
+checksum = "6fb523456b4efe9cdf869233cff5a2a1a5ebfae8c0acc405e57479c83781a20c"
 dependencies = [
  "ark-bls12-381",
  "ark-bn254",
@@ -1552,9 +1585,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "25.0.1"
+version = "26.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a989167512e3592d455b1e204d703cfe578a36672a77ed2f9e6f7e1bbfd9cc5c"
+checksum = "2ada3449bb23c964a88a1bf633ac66ca3ebac2061693f53148b199ce816791d0"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1562,14 +1595,14 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "25.3.1"
+version = "26.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ca06e6c5029d1285e66219cb387a234224e26969ce8ad2bc2d5017e9395d63b"
+checksum = "0d519682f5cf750a769f2c89f32ee089f48b9e645e01af34fc3b98a78e9a4ede"
 dependencies = [
  "serde",
  "serde_json",
@@ -1581,9 +1614,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk"
-version = "25.3.1"
+version = "26.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4502f2e018f238a4c5d3212d7d20ea6abcdc6e58babd63b642b693739db30fd1"
+checksum = "d03acd78bf4c80d5cacc8ee149966a49aaf8873b9936315af09f820887085c5e"
 dependencies = [
  "arbitrary",
  "bytes-lit",
@@ -1605,9 +1638,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "25.3.1"
+version = "26.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca03e9cf61d241cb9afdd6ddf41f6c25698b3f566a875e7009ea799b89e2bf0a"
+checksum = "9751225bd51b04257eb4aca60fcc996a3b6d69c81ac39ca24e68e9bf97aabe83"
 dependencies = [
  "darling 0.20.11",
  "heck",
@@ -1620,14 +1653,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "25.3.1"
+version = "26.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa02e07f507cc27406ae0834db4dcf309b78c4cc8776eb3b2d662d66e8859d25"
+checksum = "867c8b583180e7398af6c43134202dc1324e42c32b32d859aa921ce61de6c9ca"
 dependencies = [
  "base64",
  "sha2",
@@ -1638,9 +1671,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "25.3.1"
+version = "26.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6835bb510763ef3fa5405e89036e3c8ea6ef5abe55fc52cfe9ac0e38be9d531c"
+checksum = "f41517bf9490f66cf0403d1048bdf1b9560c4f88b2e067b7f8ec73241b4c4514"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1648,7 +1681,7 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.117",
+ "syn",
  "thiserror",
 ]
 
@@ -1716,9 +1749,9 @@ dependencies = [
 
 [[package]]
 name = "stellar-xdr"
-version = "25.0.0"
+version = "26.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10d20dafed80076b227d4b17c0c508a4bbc4d5e4c3d4c1de7cd42242df4b1eaf"
+checksum = "ea6e29c7e1f071c2767916460d006668197843d5d93f0ec8893a26f72a14f595"
 dependencies = [
  "arbitrary",
  "base64",
@@ -1745,17 +1778,6 @@ version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
-[[package]]
-name = "syn"
-version = "1.0.109"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
 [[package]]
 name = "syn"
 version = "2.0.117"
@@ -1797,7 +1819,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1869,7 +1891,7 @@ checksum = "d674d135b4a8c1d7e813e2f8d1c9a58308aee4a680323066025e53132218bd91"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1937,7 +1959,7 @@ dependencies = [
  "bumpalo",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
  "wasm-bindgen-shared",
 ]
 
@@ -2042,7 +2064,7 @@ checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -2053,7 +2075,7 @@ checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -2125,7 +2147,7 @@ dependencies = [
  "heck",
  "indexmap 2.14.0",
  "prettyplease",
- "syn 2.0.117",
+ "syn",
  "wasm-metadata",
  "wit-bindgen-core",
  "wit-component",
@@ -2141,7 +2163,7 @@ dependencies = [
  "prettyplease",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
  "wit-bindgen-core",
  "wit-bindgen-rust",
 ]
@@ -2200,7 +2222,7 @@ checksum = "70e3cd084b1788766f53af483dd21f93881ff30d7320490ec3ef7526d203bad4"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -2220,7 +2242,7 @@ checksum = "85a5b4158499876c763cb03bc4e49185d3cccbabb15b33c627f7884f43db852e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 1d6a0d8..1b2a3cb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ members = [
 ]
 
 [workspace.dependencies]
-soroban-sdk = { version = "25.3.1", features = ["testutils"] }
+soroban-sdk = { version = "26.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/contracts/stream/fuzz/Cargo.toml b/contracts/stream/fuzz/Cargo.toml
index 587cb5a..0e8b125 100644
--- a/contracts/stream/fuzz/Cargo.toml
+++ b/contracts/stream/fuzz/Cargo.toml
@@ -7,7 +7,7 @@ publish = false
 [dependencies]
 paystream-stream = { path = "..", features = ["testutils"] }
 proptest = "1"
-soroban-sdk = { version = "25.3.1", features = ["testutils"] }
+soroban-sdk = { version = "26.0.0", features = ["testutils"] }
 
 [[bin]]
 name = "fuzz_claimable"