diff --git a/Cargo.lock b/Cargo.lock
index cdb00c16039..469d58998c7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -593,7 +593,7 @@ dependencies = [
  "borsh 1.5.3",
  "solana-program",
  "spl-token 7.0.0",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
  "uint",
 ]
 
@@ -7547,7 +7547,7 @@ dependencies = [
  "solana-program-test",
  "solana-sdk",
  "spl-token 7.0.0",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
  "uint",
 ]
 
@@ -7560,7 +7560,7 @@ dependencies = [
  "rand_distr",
  "solana-program",
  "spl-merkle-tree-reference",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
  "tokio",
 ]
 
@@ -7701,7 +7701,7 @@ dependencies = [
  "spl-governance-test-sdk",
  "spl-governance-tools",
  "spl-token 7.0.0",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -7733,7 +7733,7 @@ dependencies = [
  "spl-governance-test-sdk",
  "spl-governance-tools",
  "spl-token 7.0.0",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -7758,7 +7758,7 @@ dependencies = [
  "spl-governance-test-sdk",
  "spl-governance-tools",
  "spl-token 7.0.0",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -7777,7 +7777,7 @@ dependencies = [
  "solana-program-test",
  "solana-sdk",
  "spl-token 7.0.0",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -7793,7 +7793,7 @@ dependencies = [
  "serde_derive",
  "solana-program",
  "spl-token 7.0.0",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -7808,7 +7808,7 @@ dependencies = [
  "spl-associated-token-account 6.0.0",
  "spl-associated-token-account-client",
  "spl-token 7.0.0",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -7832,7 +7832,7 @@ dependencies = [
  "solana-program-test",
  "solana-sdk",
  "spl-math",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -7863,7 +7863,7 @@ name = "spl-merkle-tree-reference"
 version = "0.1.0"
 dependencies = [
  "solana-program",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -7876,7 +7876,7 @@ dependencies = [
  "solana-program",
  "solana-program-test",
  "solana-sdk",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -8214,7 +8214,7 @@ dependencies = [
  "solana-program-test",
  "solana-sdk",
  "spl-token 7.0.0",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
  "uint",
 ]
 
@@ -8285,7 +8285,7 @@ dependencies = [
  "spl-token 7.0.0",
  "spl-token-2022 6.0.0",
  "test-case",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -8314,7 +8314,7 @@ dependencies = [
  "spl-token-2022 6.0.0",
  "spl-token-client",
  "test-case",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -8349,7 +8349,7 @@ dependencies = [
  "spl-associated-token-account 6.0.0",
  "spl-token 7.0.0",
  "spl-token-2022 6.0.0",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -8434,7 +8434,7 @@ dependencies = [
  "solana-sdk",
  "spl-associated-token-account-client",
  "spl-token 7.0.0",
- "thiserror 2.0.9",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -8738,11 +8738,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.9"
+version = "2.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f072643fd0190df67a8bab670c20ef5d8737177d6ac6b2e9a236cb096206b2cc"
+checksum = "567b8a2dae586314f7be2a752ec7474332959c6460e02bde30d702a66d488708"
 dependencies = [
- "thiserror-impl 2.0.9",
+ "thiserror-impl 2.0.12",
 ]
 
 [[package]]
@@ -8758,9 +8758,9 @@ dependencies = [
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.9"
+version = "2.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b50fa271071aae2e6ee85f842e2e28ba8cd2c5fb67f11fcb1fd70b276f9e7d4"
+checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/libraries/concurrent-merkle-tree/Cargo.toml b/libraries/concurrent-merkle-tree/Cargo.toml
index a94f5e5323b..b410c751610 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 = "1.21"
-thiserror = "2.0.9"
+thiserror = "2.0.12"
 
 [dev-dependencies]
 rand_distr = "0.4.3"
diff --git a/libraries/merkle-tree-reference/Cargo.toml b/libraries/merkle-tree-reference/Cargo.toml
index cf5a7fc0ce5..e01a909f94f 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 = "2.0.9"
+thiserror = "2.0.12"
 
 [lib]
 crate-type = ["cdylib", "lib"]
diff --git a/managed-token/program/Cargo.toml b/managed-token/program/Cargo.toml
index e7ce24bfad2..0f81fabffe0 100644
--- a/managed-token/program/Cargo.toml
+++ b/managed-token/program/Cargo.toml
@@ -32,7 +32,7 @@ spl-associated-token-account-client = { version = "2.0.0" }
 spl-token = { version = "7.0", features = [
   "no-entrypoint",
 ] }
-thiserror = "^2.0.9"
+thiserror = "^2.0.12"
 
 [dev-dependencies]
 solana-program-test = "2.1.0"
diff --git a/name-service/program/Cargo.toml b/name-service/program/Cargo.toml
index 977b2e99698..9241484fe4f 100644
--- a/name-service/program/Cargo.toml
+++ b/name-service/program/Cargo.toml
@@ -21,7 +21,7 @@ solana-program = "2.1.0"
 num-traits = "0.2"
 borsh = "1.5.3"
 num-derive = "0.4.2"
-thiserror = "2.0.9"
+thiserror = "2.0.12"
 
 [dev-dependencies]
 solana-program-test = "2.1.0"