diff --git a/Cargo.lock b/Cargo.lock
index 45cecd8..067eb33 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -100,7 +100,7 @@ dependencies = [
  "solana-svm-measure",
  "solana-svm-timings",
  "solana-svm-type-overrides",
- "solana-sysvar 3.1.1",
+ "solana-sysvar",
  "solana-sysvar-id",
  "solana-transaction-context",
  "thiserror 2.0.18",
@@ -224,7 +224,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8140a40827bdfd74720f1f3084778fa081262f2f43bd4bdbc350f98ce1b341c6"
 dependencies = [
  "anchor-syn",
- "proc-macro-crate 3.5.0",
+ "proc-macro-crate",
  "proc-macro2",
  "quote",
  "syn 1.0.109",
@@ -259,7 +259,7 @@ dependencies = [
  "anchor-lang-idl",
  "base64 0.21.7",
  "bincode",
- "borsh 1.6.1",
+ "borsh",
  "bytemuck",
  "const-crypto",
  "solana-account-info",
@@ -281,7 +281,7 @@ dependencies = [
  "solana-sdk-ids",
  "solana-stake-interface",
  "solana-system-interface 2.0.0",
- "solana-sysvar 3.1.1",
+ "solana-sysvar",
  "solana-sysvar-id",
  "thiserror 1.0.69",
 ]
@@ -696,40 +696,17 @@ dependencies = [
  "hybrid-array",
 ]
 
-[[package]]
-name = "borsh"
-version = "0.10.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "115e54d64eb62cdebad391c19efc9dce4981c690c85a33a12199d99bb9546fee"
-dependencies = [
- "borsh-derive 0.10.4",
- "hashbrown 0.13.2",
-]
-
 [[package]]
 name = "borsh"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cfd1e3f8955a5d7de9fab72fc8373fade9fb8a703968cb200ae3dc6cf08e185a"
 dependencies = [
- "borsh-derive 1.6.1",
+ "borsh-derive",
  "bytes",
  "cfg_aliases",
 ]
 
-[[package]]
-name = "borsh-derive"
-version = "0.10.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "831213f80d9423998dd696e2c5345aba6be7a0bd8cd19e31c5243e13df1cef89"
-dependencies = [
- "borsh-derive-internal",
- "borsh-schema-derive-internal",
- "proc-macro-crate 0.1.5",
- "proc-macro2",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "borsh-derive"
 version = "1.6.1"
@@ -737,34 +714,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bfcfdc083699101d5a7965e49925975f2f55060f94f9a05e7187be95d530ca59"
 dependencies = [
  "once_cell",
- "proc-macro-crate 3.5.0",
+ "proc-macro-crate",
  "proc-macro2",
  "quote",
  "syn 2.0.117",
 ]
 
-[[package]]
-name = "borsh-derive-internal"
-version = "0.10.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65d6ba50644c98714aa2a70d13d7df3cd75cd2b523a2b452bf010443800976b3"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
-[[package]]
-name = "borsh-schema-derive-internal"
-version = "0.10.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "276691d96f063427be83e6692b86148e488ebba9f48f77788724ca027ba3b6d4"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "bs58"
 version = "0.5.1"
@@ -829,7 +784,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a98356df42a2eb1bd8f1793ae4ee4de48e384dd974ce5eac8eee802edb7492be"
 dependencies = [
  "serde",
- "toml 0.8.23",
+ "toml",
 ]
 
 [[package]]
@@ -1290,15 +1245,6 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
 
-[[package]]
-name = "fast-math"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2465292146cdfc2011350fe3b1c616ac83cf0faeedb33463ba1c332ed8948d66"
-dependencies = [
- "ieee754",
-]
-
 [[package]]
 name = "feature-probe"
 version = "0.1.1"
@@ -1481,15 +1427,6 @@ dependencies = [
  "unicode-segmentation",
 ]
 
-[[package]]
-name = "hex"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -1514,12 +1451,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 
-[[package]]
-name = "ieee754"
-version = "0.2.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9007da9cacbd3e6343da136e98b0d2df013f553d35bdec8b518f07bea768e19c"
-
 [[package]]
 name = "indexmap"
 version = "2.14.0"
@@ -1760,7 +1691,7 @@ dependencies = [
  "solana-svm-transaction",
  "solana-system-interface 3.2.0",
  "solana-system-program",
- "solana-sysvar 3.1.1",
+ "solana-sysvar",
  "solana-sysvar-id",
  "solana-transaction",
  "solana-transaction-context",
@@ -1789,15 +1720,6 @@ version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
 
-[[package]]
-name = "memoffset"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "merlin"
 version = "3.0.0"
@@ -2015,15 +1937,6 @@ dependencies = [
  "zerocopy",
 ]
 
-[[package]]
-name = "proc-macro-crate"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d6ea3c4595b96363c13943497db34af4460fb474a95c43f4446ad341b8c9785"
-dependencies = [
- "toml 0.5.11",
-]
-
 [[package]]
 name = "proc-macro-crate"
 version = "3.5.0"
@@ -2042,39 +1955,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "pyth-solana-receiver-sdk"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b7854c4176470c8d86de301dc5b57ac84227dabb9527328b585fc332962d60b"
-dependencies = [
- "anchor-lang",
- "hex",
- "pythnet-sdk",
- "solana-program",
-]
-
-[[package]]
-name = "pythnet-sdk"
-version = "2.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "498d20fd330277697aaee92f341bdabdb4695b10e05f054157a18ad8b7746a17"
-dependencies = [
- "anchor-lang",
- "bincode",
- "borsh 0.10.4",
- "bytemuck",
- "byteorder",
- "fast-math",
- "hex",
- "rustc_version",
- "serde",
- "sha3",
- "slow_primes",
- "solana-program",
- "thiserror 1.0.69",
-]
-
 [[package]]
 name = "qstring"
 version = "0.7.2"
@@ -2460,15 +2340,6 @@ version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c790de23124f9ab44544d7ac05d60440adc586479ce501c1d6d7da3cd8c9cf5"
 
-[[package]]
-name = "slow_primes"
-version = "0.1.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58267dd2fbaa6dceecba9e3e106d2d90a2b02497c0e8b01b8759beccf5113938"
-dependencies = [
- "num",
-]
-
 [[package]]
 name = "smallvec"
 version = "1.15.1"
@@ -2490,7 +2361,7 @@ dependencies = [
  "solana-instruction-error",
  "solana-pubkey 4.2.0",
  "solana-sdk-ids",
- "solana-sysvar 3.1.1",
+ "solana-sysvar",
 ]
 
 [[package]]
@@ -2499,8 +2370,6 @@ version = "3.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a9cf16495d9eb53e3d04e72366a33bb1c20c24e78c171d8b8f5978357b63ae95"
 dependencies = [
- "bincode",
- "serde_core",
  "solana-address 2.6.0",
  "solana-program-error",
  "solana-program-memory",
@@ -2521,7 +2390,7 @@ version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1384b52c435a750cc9c538760fc7bb472fd78e65a9900a2d07312c5bb335b72"
 dependencies = [
- "borsh 1.6.1",
+ "borsh",
  "bytemuck",
  "bytemuck_derive",
  "curve25519-dalek",
@@ -2619,7 +2488,7 @@ version = "3.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c04abbae16f57178a163125805637b8a076175bb5c0002fb04f4792bea901cf7"
 dependencies = [
- "borsh 1.6.1",
+ "borsh",
 ]
 
 [[package]]
@@ -2739,7 +2608,7 @@ version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8292c436b269ad23cecc8b24f7da3ab07ca111661e25e00ce0e1d22771951ab9"
 dependencies = [
- "borsh 1.6.1",
+ "borsh",
  "solana-instruction",
  "solana-sdk-ids",
 ]
@@ -2837,33 +2706,6 @@ dependencies = [
  "solana-sysvar-id",
 ]
 
-[[package]]
-name = "solana-epoch-stake"
-version = "3.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "027e6d0b9e7daac5b2ac7c3f9ca1b727861121d9ef05084cf435ff736051e7c2"
-dependencies = [
- "solana-define-syscall 5.1.0",
- "solana-pubkey 4.2.0",
-]
-
-[[package]]
-name = "solana-example-mocks"
-version = "4.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0eb265ff95e28eceda117e2e3d2d2a611ecbbfe911dfeeeecd1521814540ffab"
-dependencies = [
- "serde",
- "serde_derive",
- "solana-hash 4.3.0",
- "solana-instruction",
- "solana-nonce",
- "solana-pubkey 4.2.0",
- "solana-sdk-ids",
- "solana-system-interface 3.2.0",
- "thiserror 2.0.18",
-]
-
 [[package]]
 name = "solana-feature-gate-interface"
 version = "3.1.0"
@@ -2926,7 +2768,7 @@ version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1b113239362cee7093bfb250467138f079a2a03673181dc15bff6ccd677912d"
 dependencies = [
- "borsh 1.6.1",
+ "borsh",
  "bytemuck",
  "bytemuck_derive",
  "five8",
@@ -2944,7 +2786,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "37ebb0ffd19263051bc3f683fcc086134b8ff23af894dcb63f7563c7137b42f1"
 dependencies = [
  "bincode",
- "borsh 1.6.1",
  "serde",
  "serde_derive",
  "solana-define-syscall 5.1.0",
@@ -3181,53 +3022,6 @@ dependencies = [
  "num-traits",
 ]
 
-[[package]]
-name = "solana-program"
-version = "4.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "778f08fb0eaf52c9a3bef2978247f7fab0ccfddc44cfddb936d5ad9f98ede886"
-dependencies = [
- "memoffset",
- "solana-account-info",
- "solana-big-mod-exp",
- "solana-blake3-hasher",
- "solana-borsh",
- "solana-clock",
- "solana-cpi",
- "solana-define-syscall 5.1.0",
- "solana-epoch-rewards",
- "solana-epoch-schedule",
- "solana-epoch-stake",
- "solana-example-mocks",
- "solana-fee-calculator",
- "solana-hash 4.3.0",
- "solana-instruction",
- "solana-instruction-error",
- "solana-instructions-sysvar",
- "solana-keccak-hasher",
- "solana-last-restart-slot",
- "solana-msg",
- "solana-native-token",
- "solana-program-entrypoint",
- "solana-program-error",
- "solana-program-memory",
- "solana-program-option",
- "solana-program-pack",
- "solana-pubkey 4.2.0",
- "solana-rent 4.2.0",
- "solana-sdk-ids",
- "solana-secp256k1-recover",
- "solana-serde-varint",
- "solana-serialize-utils",
- "solana-sha256-hasher",
- "solana-short-vec",
- "solana-slot-hashes",
- "solana-slot-history",
- "solana-stable-layout",
- "solana-sysvar 4.0.0",
- "solana-sysvar-id",
-]
-
 [[package]]
 name = "solana-program-entrypoint"
 version = "3.1.1"
@@ -3246,9 +3040,7 @@ version = "3.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4f04fa578707b3612b095f0c8e19b66a1233f7c42ca8082fcb3b745afcc0add6"
 dependencies = [
- "borsh 1.6.1",
- "serde",
- "serde_derive",
+ "borsh",
 ]
 
 [[package]]
@@ -3314,7 +3106,7 @@ dependencies = [
  "solana-svm-transaction",
  "solana-svm-type-overrides",
  "solana-system-interface 2.0.0",
- "solana-sysvar 3.1.1",
+ "solana-sysvar",
  "solana-sysvar-id",
  "solana-transaction-context",
  "thiserror 2.0.18",
@@ -3357,11 +3149,7 @@ version = "4.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f9809b081e99bc142ce803bcd7ee18306759ce3b30a96a9da3f6f41c45e50ef0"
 dependencies = [
- "serde",
- "serde_derive",
- "solana-sdk-ids",
  "solana-sdk-macro",
- "solana-sysvar-id",
 ]
 
 [[package]]
@@ -3556,7 +3344,7 @@ dependencies = [
  "solana-program-error",
  "solana-pubkey 3.0.0",
  "solana-system-interface 2.0.0",
- "solana-sysvar 3.1.1",
+ "solana-sysvar",
  "solana-sysvar-id",
 ]
 
@@ -3679,7 +3467,7 @@ dependencies = [
  "solana-svm-log-collector",
  "solana-svm-type-overrides",
  "solana-system-interface 2.0.0",
- "solana-sysvar 3.1.1",
+ "solana-sysvar",
  "solana-transaction-context",
 ]
 
@@ -3715,40 +3503,6 @@ dependencies = [
  "solana-sysvar-id",
 ]
 
-[[package]]
-name = "solana-sysvar"
-version = "4.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1632b69b4f72489db5949a10e8308c229dfa003f99ecaa7477b376807c7b81f4"
-dependencies = [
- "base64 0.22.1",
- "bincode",
- "bytemuck",
- "bytemuck_derive",
- "lazy_static",
- "serde",
- "serde_derive",
- "solana-account-info",
- "solana-clock",
- "solana-define-syscall 5.1.0",
- "solana-epoch-rewards",
- "solana-epoch-schedule",
- "solana-fee-calculator",
- "solana-hash 4.3.0",
- "solana-instruction",
- "solana-last-restart-slot",
- "solana-program-entrypoint",
- "solana-program-error",
- "solana-program-memory",
- "solana-pubkey 4.2.0",
- "solana-rent 4.2.0",
- "solana-sdk-ids",
- "solana-sdk-macro",
- "solana-slot-hashes",
- "solana-slot-history",
- "solana-sysvar-id",
-]
-
 [[package]]
 name = "solana-sysvar-id"
 version = "3.1.0"
@@ -3981,7 +3735,6 @@ dependencies = [
  "descro",
  "descro_ext_resolvers",
  "litesvm",
- "pyth-solana-receiver-sdk",
  "solana-keypair",
  "solana-message",
  "solana-signer",
@@ -4087,15 +3840,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
-[[package]]
-name = "toml"
-version = "0.5.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4f7f0dd8d50a853a531c426359045b1998f04219d88799810762cd4ad314234"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "toml"
 version = "0.8.23"
diff --git a/programs/solisting/Cargo.toml b/programs/solisting/Cargo.toml
index 31a9d6d..d41fafb 100644
--- a/programs/solisting/Cargo.toml
+++ b/programs/solisting/Cargo.toml
@@ -22,7 +22,8 @@ custom-panic = []
 anchor-lang = "1.0.2"
 descro = { path = "../../../descro/programs/descro", features = ["cpi"] }
 descro_ext_resolvers = { path = "../../../descro/programs/descro_ext_resolvers" }
-# pyth-solana-receiver-sdk = "0.3"  # TODO: Use when implementing oracle - has borsh version incompatibility
+# pyth-solana-receiver-sdk is not used directly — oracle.rs reads PriceUpdateV2 account data
+# manually (borsh layout matching the SDK) to avoid SDK compilation issues with this Rust toolchain.
 
 [dev-dependencies]
 litesvm = "0.12.0"