diff --git a/Cargo.lock b/Cargo.lock
index 504f2a05..8f9a8067 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10,9 +10,9 @@ checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
 
 [[package]]
 name = "aluvm"
-version = "0.9.0-rc.1"
+version = "0.9.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d236bdb911d3dcef715976c0c52ad944b4ce85112e009acb8c0499388042d96"
+checksum = "19ec2c6e41e9824397e3c27883ebbaeb6f014c368f97ca716e794f72c596f326"
 dependencies = [
  "amplify",
  "bech32",
@@ -201,15 +201,6 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
-[[package]]
-name = "block-buffer"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
-dependencies = [
- "generic-array",
-]
-
 [[package]]
 name = "bp-core"
 version = "0.9.0-rc.1"
@@ -319,7 +310,7 @@ dependencies = [
  "amplify",
  "bitcoin_hashes",
  "lnpbp_secp256k1zkp",
- "rand 0.8.5",
+ "rand",
  "serde",
  "serde_with",
  "strict_encoding",
@@ -331,15 +322,6 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
 
-[[package]]
-name = "cpufeatures"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59a6001667ab124aebae2a495118e11d30984c3a653e99d86d58971708cf5e4b"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "crunchy"
 version = "0.2.2"
@@ -492,29 +474,6 @@ dependencies = [
  "generic-array",
 ]
 
-[[package]]
-name = "ed25519"
-version = "1.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e9c280362032ea4203659fc489832d0204ef09f247a0506f170dafcac08c369"
-dependencies = [
- "signature",
-]
-
-[[package]]
-name = "ed25519-dalek"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
-dependencies = [
- "curve25519-dalek",
- "ed25519",
- "rand 0.7.3",
- "serde",
- "sha2",
- "zeroize",
-]
-
 [[package]]
 name = "encoding_derive_helpers"
 version = "0.8.1"
@@ -726,7 +685,7 @@ dependencies = [
  "arrayvec",
  "cc",
  "libc",
- "rand 0.8.5",
+ "rand",
  "serde",
  "serde_json",
 ]
@@ -765,12 +724,6 @@ version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
 
-[[package]]
-name = "opaque-debug"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
-
 [[package]]
 name = "paste"
 version = "1.0.7"
@@ -819,19 +772,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rand"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom 0.1.16",
- "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc",
-]
-
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -839,20 +779,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
- "rand_chacha 0.3.1",
+ "rand_chacha",
  "rand_core 0.6.3",
 ]
 
-[[package]]
-name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
-]
-
 [[package]]
 name = "rand_chacha"
 version = "0.3.1"
@@ -881,18 +811,9 @@ dependencies = [
  "getrandom 0.2.7",
 ]
 
-[[package]]
-name = "rand_hc"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
-dependencies = [
- "rand_core 0.5.1",
-]
-
 [[package]]
 name = "rgb-core"
-version = "0.9.0-rc.1"
+version = "0.9.0-rc.2"
 dependencies = [
  "aluvm",
  "amplify",
@@ -931,7 +852,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9512ffd81e3a3503ed401f79c33168b9148c75038956039166cd750eaa037c3"
 dependencies = [
  "bitcoin_hashes",
- "rand 0.8.5",
+ "rand",
  "secp256k1-sys",
  "serde",
 ]
@@ -1034,25 +955,6 @@ dependencies = [
  "unsafe-libyaml",
 ]
 
-[[package]]
-name = "sha2"
-version = "0.9.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
-dependencies = [
- "block-buffer",
- "cfg-if",
- "cpufeatures",
- "digest",
- "opaque-debug",
-]
-
-[[package]]
-name = "signature"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f054c6c1a6e95179d6f23ed974060dcefb2d9388bb7256900badad682c499de4"
-
 [[package]]
 name = "single_use_seals"
 version = "0.9.0-rc.1"
@@ -1100,15 +1002,14 @@ dependencies = [
 
 [[package]]
 name = "strict_encoding"
-version = "0.9.0-rc.1"
+version = "0.9.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae10097e736d1b74a9e6fc8f202d3446ec78750571ac0bc73b7ab37cb6e2c9ec"
+checksum = "efe081f3a730420b6ceb5086644df4ec64c0deec54eb134adfcc351da01b9500"
 dependencies = [
  "amplify",
  "bitcoin",
  "bitcoin_hashes",
  "chrono",
- "ed25519-dalek",
  "half",
  "lnpbp_secp256k1zkp",
  "serde",
@@ -1170,18 +1071,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "synstructure"
-version = "0.12.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "unicode-xid",
-]
-
 [[package]]
 name = "termcolor"
 version = "1.1.3"
@@ -1229,12 +1118,6 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
 
-[[package]]
-name = "unicode-xid"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "957e51f3646910546462e67d5f7599b9e4fb8acdd304b087a6494730f9eebf04"
-
 [[package]]
 name = "unsafe-libyaml"
 version = "0.2.5"
@@ -1364,18 +1247,3 @@ name = "zeroize"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4756f7db3f7b5574938c3eb1c117038b8e07f95ee6718c0efad4ac21508f1efd"
-dependencies = [
- "zeroize_derive",
-]
-
-[[package]]
-name = "zeroize_derive"
-version = "1.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f8f187641dad4f680d25c4bfc4225b418165984179f26ca76ec4fb6441d3a17"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
diff --git a/Cargo.toml b/Cargo.toml
index 0ceca007..01cbe005 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rgb-core"
-version = "0.9.0-rc.1"
+version = "0.9.0-rc.2"
 license = "MIT"
 authors = ["Dr Maxim Orlovsky <orlovsky@lnp-bp.org>"]
 description = "RGB Core Library: consensus & verification for private & scalable client-validated smart contracts on Bitcoin & Lightning"
@@ -39,10 +39,10 @@ amplify = { version = "~3.13.0", features = ["apfloat"] }
 bp-core = { version = "~0.9.0-rc.1" }
 lnpbp = { version = "~0.9.0-rc.1", features = ["zip"] }
 stens = "~0.9.0-rc.1"
-strict_encoding = { version = "~0.9.0-rc.1", features = ["crypto", "chrono", "bitcoin", "float"] }
+strict_encoding = { version = "~0.9.0-rc.2", features = ["crypto", "chrono", "bitcoin", "float"] }
 commit_verify = { version = "~0.9.0-rc.1", features = ["rand", "bulletproofs"] }
 descriptor-wallet = "~0.9.0-rc.1"
-aluvm = { version = "~0.9.0-rc.1", features = ["std", "strict_encoding"] }
+aluvm = { version = "~0.9.0-rc.2", features = ["std", "strict_encoding"] }
 # Dependencies on core rust-bitcoin ecosystem projects
 # ----------------------------------------------------
 bitcoin = { version = "~0.29.2", features = ["rand"] }