diff --git a/Cargo.lock b/Cargo.lock
index 19571906ee..0cc9b08b07 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -514,7 +514,7 @@ checksum = "721cae7de5c34fbb2acd27e21e6d2cf7b886dce0c27388d46c4e6c47ea4318dd"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -679,7 +679,7 @@ dependencies = [
  "regex",
  "rustc-hash",
  "shlex",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -824,7 +824,7 @@ dependencies = [
  "proc-macro-crate 3.1.0",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
  "syn_derive",
 ]
 
@@ -939,7 +939,7 @@ checksum = "bcfcc3cd946cb52f0bbfdbbcfa2f4e24f75ebb6c0e1002f7c25904fada18b9ec"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -1175,7 +1175,7 @@ dependencies = [
  "heck 0.4.1",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -1476,7 +1476,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim 0.10.0",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -1487,7 +1487,7 @@ checksum = "836a9bbc7ad63342d6d6e7b815ccab164bc77a2d95d84bc3117a8c0d5c98e2d5"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -1559,7 +1559,7 @@ checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -1683,7 +1683,7 @@ checksum = "a6cbae11b3de8fce2a456e8ea3dada226b35fe791f0dc1d360c0941f0bb681f3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -1789,7 +1789,7 @@ checksum = "03cdc46ec28bd728e67540c528013c6a10eb69a02eb31078a1bda695438cbfb8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -1814,7 +1814,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -2055,7 +2055,7 @@ checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -3336,7 +3336,7 @@ checksum = "ed3955f1a9c7c0c15e092f9c887db08b1fc683305fdf6eb6684f22555355e202"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -3409,7 +3409,7 @@ dependencies = [
  "proc-macro-crate 3.1.0",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -3705,7 +3705,7 @@ checksum = "39407670928234ebc5e6e580247dd567ad73a3578460c5990f9503df207e8f07"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -3977,7 +3977,7 @@ checksum = "9e2e25ee72f5b24d773cae88422baddefff7714f97aab68d96fe2b6fc4a28fb2"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -4636,7 +4636,7 @@ checksum = "243902eda00fad750862fc144cea25caca5e20d615af0a81bee94ca738f1df1f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -4700,7 +4700,7 @@ dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -4712,7 +4712,7 @@ dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -4750,7 +4750,7 @@ checksum = "82fe9db325bcef1fbcde82e078a5cc4efdf787e96b3b9cf45b50b529f2083d67"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -6278,7 +6278,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustversion",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -6951,7 +6951,7 @@ version = "0.2.0"
 dependencies = [
  "quote",
  "spl-discriminator-syn 0.2.0",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -6962,7 +6962,7 @@ checksum = "d9e8418ea6269dcfb01c712f0444d2c75542c04448b480e87de59d2865edc750"
 dependencies = [
  "quote",
  "spl-discriminator-syn 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -6972,7 +6972,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "sha2 0.10.8",
- "syn 2.0.79",
+ "syn 2.0.86",
  "thiserror",
 ]
 
@@ -6985,7 +6985,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "sha2 0.10.8",
- "syn 2.0.79",
+ "syn 2.0.86",
  "thiserror",
 ]
 
@@ -7329,7 +7329,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "sha2 0.10.8",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -7341,7 +7341,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "sha2 0.10.8",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -8059,7 +8059,7 @@ version = "0.1.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -8152,7 +8152,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustversion",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -8180,9 +8180,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.79"
+version = "2.0.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89132cd0bf050864e1d38dc3bbc07a0eb8e7530af26344d3d2bbbef83499f590"
+checksum = "e89275301d38033efb81a6e60e3497e734dfcc62571f2854bf4b16690398824c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -8198,7 +8198,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -8365,7 +8365,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -8377,7 +8377,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
  "test-case-core",
 ]
 
@@ -8408,22 +8408,22 @@ checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d"
 
 [[package]]
 name = "thiserror"
-version = "1.0.64"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d50af8abc119fb8bb6dbabcfa89656f46f84aa0ac7688088608076ad2b459a84"
+checksum = "5d171f59dbaa811dbbb1aee1e73db92ec2b122911a48e1390dfe327a821ddede"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.64"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08904e7672f5eb876eaaf87e0ce17857500934f4981c4a0ab2b4aa98baac7fc3"
+checksum = "b08be0f17bd307950653ce45db00cd31200d82b624b36e181337d9c7d92765b5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -8536,7 +8536,7 @@ checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -8753,7 +8753,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
@@ -9080,7 +9080,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
  "wasm-bindgen-shared",
 ]
 
@@ -9114,7 +9114,7 @@ checksum = "e94f17b526d0a461a191c78ea52bbce64071ed5c04c9ffe424dcb38f74171bb7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -9417,7 +9417,7 @@ checksum = "9ce1b18ccd8e73a9321186f97e46f9f04b778851177567b1975109d26a08d2a6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.86",
 ]
 
 [[package]]
diff --git a/libraries/concurrent-merkle-tree/Cargo.toml b/libraries/concurrent-merkle-tree/Cargo.toml
index b2ed4fbf2d..f254a256a8 100644
--- a/libraries/concurrent-merkle-tree/Cargo.toml
+++ b/libraries/concurrent-merkle-tree/Cargo.toml
@@ -14,7 +14,7 @@ sol-log = ["log"]
 [dependencies]
 solana-program = ">=1.18.11,<=2"
 bytemuck = "1.19"
-thiserror = "1.0.64"
+thiserror = "1.0.66"
 
 [dev-dependencies]
 rand_distr = "0.4.3"
diff --git a/libraries/merkle-tree-reference/Cargo.toml b/libraries/merkle-tree-reference/Cargo.toml
index 46c3bca63f..4e15a16315 100644
--- a/libraries/merkle-tree-reference/Cargo.toml
+++ b/libraries/merkle-tree-reference/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 
 [dependencies]
 solana-program = ">=1.18.11,<=2"
-thiserror = "1.0.64"
+thiserror = "1.0.66"
 
 [lib]
 crate-type = ["cdylib", "lib"]
diff --git a/managed-token/program/Cargo.toml b/managed-token/program/Cargo.toml
index 276e44232c..7724f641e7 100644
--- a/managed-token/program/Cargo.toml
+++ b/managed-token/program/Cargo.toml
@@ -32,7 +32,7 @@ spl-associated-token-account-client = { version = "1.0.0", path = "../../associa
 spl-token = { version = "6.0", path = "../../token/program", features = [
   "no-entrypoint",
 ] }
-thiserror = "^1.0.64"
+thiserror = "^1.0.66"
 
 [dev-dependencies]
 solana-program-test = "2.0.3"
diff --git a/name-service/program/Cargo.toml b/name-service/program/Cargo.toml
index d6b2fb5059..11fde0df92 100644
--- a/name-service/program/Cargo.toml
+++ b/name-service/program/Cargo.toml
@@ -21,7 +21,7 @@ solana-program = "2.0.3"
 num-traits = "0.2"
 borsh = "1.5.1"
 num-derive = "0.4.2"
-thiserror = "1.0.64"
+thiserror = "1.0.66"
 
 [dev-dependencies]
 solana-program-test = "2.0.3"
diff --git a/token/confidential-transfer/proof-extraction/Cargo.toml b/token/confidential-transfer/proof-extraction/Cargo.toml
index 019b73c098..70070281ee 100644
--- a/token/confidential-transfer/proof-extraction/Cargo.toml
+++ b/token/confidential-transfer/proof-extraction/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2021"
 bytemuck = "1.19.0"
 solana-curve25519 = "2.0.3"
 solana-zk-sdk = "2.0.3"
-thiserror = "1.0.64"
+thiserror = "1.0.66"
 
 [lib]
 crate-type = ["cdylib", "lib"]
diff --git a/token/confidential-transfer/proof-generation/Cargo.toml b/token/confidential-transfer/proof-generation/Cargo.toml
index 0730edeefd..79bf68db7e 100644
--- a/token/confidential-transfer/proof-generation/Cargo.toml
+++ b/token/confidential-transfer/proof-generation/Cargo.toml
@@ -10,7 +10,7 @@ edition = "2021"
 [dependencies]
 curve25519-dalek = "3.2.1"
 solana-zk-sdk = "2.0.3"
-thiserror = "1.0.64"
+thiserror = "1.0.66"
 
 [dev-dependencies]
 
diff --git a/token/confidential-transfer/proof-tests/Cargo.toml b/token/confidential-transfer/proof-tests/Cargo.toml
index c3fa2d55f1..3aa9840a53 100644
--- a/token/confidential-transfer/proof-tests/Cargo.toml
+++ b/token/confidential-transfer/proof-tests/Cargo.toml
@@ -10,6 +10,6 @@ edition = "2021"
 [dev-dependencies]
 curve25519-dalek = "3.2.1"
 solana-zk-sdk = "2.0.3"
-thiserror = "1.0.64"
+thiserror = "1.0.66"
 spl-token-confidential-transfer-proof-extraction = { version = "0.1.0", path = "../proof-extraction" }
 spl-token-confidential-transfer-proof-generation = { version = "0.1.0", path = "../proof-generation" }