diff --git a/Cargo.lock b/Cargo.lock
index 105a42843fd..0ccacb0c973 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7828,23 +7828,23 @@ dependencies = [
 [[package]]
 name = "spl-discriminator"
 version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a38ea8b6dedb7065887f12d62ed62c1743aa70749e8558f963609793f6fb12bc"
 dependencies = [
- "borsh 1.5.1",
  "bytemuck",
- "solana-program-error",
- "solana-sha256-hasher",
- "spl-discriminator-derive 0.2.0",
+ "solana-program",
+ "spl-discriminator-derive 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "spl-discriminator"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a38ea8b6dedb7065887f12d62ed62c1743aa70749e8558f963609793f6fb12bc"
+version = "0.4.0"
 dependencies = [
+ "borsh 1.5.1",
  "bytemuck",
- "solana-program",
- "spl-discriminator-derive 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "solana-program-error",
+ "solana-sha256-hasher",
+ "spl-discriminator-derive 0.2.0",
 ]
 
 [[package]]
@@ -8424,7 +8424,7 @@ checksum = "37a75a5f0fcc58126693ed78a17042e9dc53f07e357d6be91789f7d62aff61a4"
 dependencies = [
  "bytemuck",
  "solana-program",
- "spl-discriminator 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "spl-discriminator 0.3.0",
  "spl-pod 0.3.0",
  "spl-program-error 0.5.0",
  "spl-type-length-value 0.5.0",
@@ -8449,7 +8449,7 @@ dependencies = [
  "solana-program-test",
  "solana-pubkey",
  "solana-sdk",
- "spl-discriminator 0.3.0",
+ "spl-discriminator 0.4.0",
  "spl-pod 0.5.0",
  "spl-program-error 0.6.0",
  "spl-type-length-value 0.6.0",
@@ -8654,7 +8654,7 @@ dependencies = [
  "solana-program",
  "solana-program-test",
  "solana-sdk",
- "spl-discriminator 0.3.0",
+ "spl-discriminator 0.4.0",
  "spl-pod 0.5.0",
  "spl-program-error 0.6.0",
  "spl-token-2022 5.0.2",
@@ -8716,7 +8716,7 @@ dependencies = [
  "solana-program",
  "solana-program-test",
  "solana-sdk",
- "spl-discriminator 0.3.0",
+ "spl-discriminator 0.4.0",
  "spl-pod 0.5.0",
  "spl-token-2022 5.0.2",
  "spl-token-client",
@@ -8733,7 +8733,7 @@ checksum = "df8752b85a5ecc1d9f3a43bce3dd9a6a053673aacf5deb513d1cbb88d3534ffd"
 dependencies = [
  "bytemuck",
  "solana-program",
- "spl-discriminator 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "spl-discriminator 0.3.0",
  "spl-pod 0.3.0",
  "spl-program-error 0.5.0",
 ]
@@ -8751,7 +8751,7 @@ dependencies = [
  "solana-program-error",
  "solana-pubkey",
  "solana-sha256-hasher",
- "spl-discriminator 0.3.0",
+ "spl-discriminator 0.4.0",
  "spl-pod 0.5.0",
  "spl-type-length-value 0.6.0",
  "thiserror",
@@ -8813,7 +8813,7 @@ checksum = "c6c2318ddff97e006ed9b1291ebec0750a78547f870f62a69c56fe3b46a5d8fc"
 dependencies = [
  "borsh 1.5.1",
  "solana-program",
- "spl-discriminator 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "spl-discriminator 0.3.0",
  "spl-pod 0.3.0",
  "spl-program-error 0.5.0",
  "spl-type-length-value 0.5.0",
@@ -8835,7 +8835,7 @@ dependencies = [
  "solana-program-error",
  "solana-pubkey",
  "solana-sha256-hasher",
- "spl-discriminator 0.3.0",
+ "spl-discriminator 0.4.0",
  "spl-pod 0.5.0",
  "spl-type-length-value 0.6.0",
  "thiserror",
@@ -8974,7 +8974,7 @@ dependencies = [
  "arrayref",
  "bytemuck",
  "solana-program",
- "spl-discriminator 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "spl-discriminator 0.3.0",
  "spl-pod 0.3.0",
  "spl-program-error 0.5.0",
  "spl-tlv-account-resolution 0.7.0",
@@ -8988,7 +8988,7 @@ dependencies = [
  "arrayref",
  "bytemuck",
  "solana-program",
- "spl-discriminator 0.3.0",
+ "spl-discriminator 0.4.0",
  "spl-pod 0.5.0",
  "spl-program-error 0.6.0",
  "spl-tlv-account-resolution 0.8.1",
@@ -9004,7 +9004,7 @@ checksum = "bdcd73ec187bc409464c60759232e309f83b52a18a9c5610bf281c9c6432918c"
 dependencies = [
  "bytemuck",
  "solana-program",
- "spl-discriminator 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "spl-discriminator 0.3.0",
  "spl-pod 0.3.0",
  "spl-program-error 0.5.0",
 ]
@@ -9020,7 +9020,7 @@ dependencies = [
  "solana-decode-error",
  "solana-msg",
  "solana-program-error",
- "spl-discriminator 0.3.0",
+ "spl-discriminator 0.4.0",
  "spl-pod 0.5.0",
  "spl-type-length-value-derive",
  "thiserror",
@@ -9041,7 +9041,7 @@ version = "0.1.0"
 dependencies = [
  "borsh 1.5.1",
  "solana-borsh",
- "spl-discriminator 0.3.0",
+ "spl-discriminator 0.4.0",
  "spl-type-length-value 0.6.0",
 ]
 
diff --git a/libraries/discriminator/Cargo.toml b/libraries/discriminator/Cargo.toml
index de8d84c6aa3..b6a765e32dd 100644
--- a/libraries/discriminator/Cargo.toml
+++ b/libraries/discriminator/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "spl-discriminator"
-version = "0.3.0"
+version = "0.4.0"
 description = "Solana Program Library 8-Byte Discriminator Management"
 authors = ["Solana Labs Maintainers <maintainers@solanalabs.com>"]
 repository = "https://github.com/solana-labs/solana-program-library"
diff --git a/libraries/tlv-account-resolution/Cargo.toml b/libraries/tlv-account-resolution/Cargo.toml
index 189140d5a12..60d147356e5 100644
--- a/libraries/tlv-account-resolution/Cargo.toml
+++ b/libraries/tlv-account-resolution/Cargo.toml
@@ -22,7 +22,7 @@ solana-instruction = { version = "2.1.0", features = ["std"] }
 solana-program-error = "2.1.0"
 solana-msg = "2.1.0"
 solana-pubkey = "2.1.0"
-spl-discriminator = { version = "0.3.0", path = "../discriminator" }
+spl-discriminator = { version = "0.4.0", path = "../discriminator" }
 spl-program-error = { version = "0.6.0", path = "../program-error" }
 spl-pod = { version = "0.5.0", path = "../pod" }
 spl-type-length-value = { version = "0.6.0", path = "../type-length-value" }
diff --git a/libraries/type-length-value-derive-test/Cargo.toml b/libraries/type-length-value-derive-test/Cargo.toml
index cffba436b26..f5cc14a60b5 100644
--- a/libraries/type-length-value-derive-test/Cargo.toml
+++ b/libraries/type-length-value-derive-test/Cargo.toml
@@ -10,7 +10,7 @@ edition = "2021"
 [dev-dependencies]
 borsh = "1.5.1"
 solana-borsh = "2.1.0"
-spl-discriminator = { version = "0.3.0", path = "../discriminator" }
+spl-discriminator = { version = "0.4.0", path = "../discriminator" }
 spl-type-length-value = { version = "0.6.0", path = "../type-length-value", features = [
   "derive",
 ] }
diff --git a/libraries/type-length-value/Cargo.toml b/libraries/type-length-value/Cargo.toml
index 84f48a07d7c..758c568f671 100644
--- a/libraries/type-length-value/Cargo.toml
+++ b/libraries/type-length-value/Cargo.toml
@@ -19,7 +19,7 @@ solana-account-info = "2.1.0"
 solana-decode-error = "2.1.0"
 solana-msg = "2.1.0"
 solana-program-error = "2.1.0"
-spl-discriminator = { version = "0.3.0", path = "../discriminator" }
+spl-discriminator = { version = "0.4.0", path = "../discriminator" }
 spl-type-length-value-derive = { version = "0.1", path = "./derive", optional = true }
 spl-pod = { version = "0.5.0", path = "../pod" }
 thiserror = "1.0"
diff --git a/token-collection/program/Cargo.toml b/token-collection/program/Cargo.toml
index c9a9c45f805..e3988f4e430 100644
--- a/token-collection/program/Cargo.toml
+++ b/token-collection/program/Cargo.toml
@@ -24,7 +24,7 @@ spl-type-length-value = { version = "0.6.0", path = "../../libraries/type-length
 [dev-dependencies]
 solana-program-test = "2.1.0"
 solana-sdk = "2.1.0"
-spl-discriminator = { version = "0.3.0", path = "../../libraries/discriminator" }
+spl-discriminator = { version = "0.4.0", path = "../../libraries/discriminator" }
 spl-token-client = { version = "0.12.1", path = "../../token/client" }
 
 [lib]
diff --git a/token-group/example/Cargo.toml b/token-group/example/Cargo.toml
index 2818c2d2cc5..dc29f077ab9 100644
--- a/token-group/example/Cargo.toml
+++ b/token-group/example/Cargo.toml
@@ -21,7 +21,7 @@ spl-type-length-value = { version = "0.6.0", path = "../../libraries/type-length
 [dev-dependencies]
 solana-program-test = "2.1.0"
 solana-sdk = "2.1.0"
-spl-discriminator = { version = "0.3.0", path = "../../libraries/discriminator" }
+spl-discriminator = { version = "0.4.0", path = "../../libraries/discriminator" }
 spl-token-client = { version = "0.12.1", path = "../../token/client" }
 spl-token-metadata-interface = { version = "0.5.1", path = "../../token-metadata/interface" }
 
diff --git a/token-group/interface/Cargo.toml b/token-group/interface/Cargo.toml
index 972686888f7..b83fc12311f 100644
--- a/token-group/interface/Cargo.toml
+++ b/token-group/interface/Cargo.toml
@@ -16,7 +16,7 @@ solana-instruction = "2.1.0"
 solana-msg = "2.1.0"
 solana-program-error = "2.1.0"
 solana-pubkey = "2.1.0"
-spl-discriminator = { version = "0.3.0" , path = "../../libraries/discriminator" }
+spl-discriminator = { version = "0.4.0", path = "../../libraries/discriminator" }
 spl-pod = { version = "0.5.0", path = "../../libraries/pod", features = ["borsh"] }
 thiserror = "1.0"
 
diff --git a/token-metadata/interface/Cargo.toml b/token-metadata/interface/Cargo.toml
index 19ba97d3e0b..b9117f121ee 100644
--- a/token-metadata/interface/Cargo.toml
+++ b/token-metadata/interface/Cargo.toml
@@ -20,7 +20,7 @@ solana-decode-error = "2.1.0"
 solana-instruction = "2.1.0"
 solana-msg = "2.1.0"
 solana-program-error = "2.1.0"
-spl-discriminator = { version = "0.3.0", path = "../../libraries/discriminator" }
+spl-discriminator = { version = "0.4.0", path = "../../libraries/discriminator" }
 solana-pubkey = "2.1.0"
 spl-type-length-value = { version = "0.6.0", path = "../../libraries/type-length-value" }
 spl-pod = { version = "0.5.0", path = "../../libraries/pod", features = [
diff --git a/token/transfer-hook/interface/Cargo.toml b/token/transfer-hook/interface/Cargo.toml
index d1508e163f7..cfef1bc4138 100644
--- a/token/transfer-hook/interface/Cargo.toml
+++ b/token/transfer-hook/interface/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2021"
 arrayref = "0.3.9"
 bytemuck = { version = "1.19.0", features = ["derive"] }
 solana-program = "2.1.0"
-spl-discriminator = { version = "0.3.0" , path = "../../../libraries/discriminator" }
+spl-discriminator = { version = "0.4.0", path = "../../../libraries/discriminator" }
 spl-program-error = { version = "0.6.0", path = "../../../libraries/program-error" }
 spl-tlv-account-resolution = { version = "0.8.1", path = "../../../libraries/tlv-account-resolution" }
 spl-type-length-value = { version = "0.6.0", path = "../../../libraries/type-length-value" }