diff --git a/chain/rust/Cargo.toml b/chain/rust/Cargo.toml
index 5b7f5f73..a4885e54 100644
--- a/chain/rust/Cargo.toml
+++ b/chain/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-chain"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 authors = ["dcSpark"]
 license = "MIT"
@@ -17,8 +17,8 @@ crate-type = ["cdylib", "rlib"]
 used_from_wasm = ["wasm-bindgen"]
 
 [dependencies]
-cml-core = { "path" = "../../core/rust", version = "5.3.1" }
-cml-crypto = { "path" = "../../crypto/rust", version = "5.3.1" }
+cml-core = { "path" = "../../core/rust", version = "6.0.0" }
+cml-crypto = { "path" = "../../crypto/rust", version = "6.0.0" }
 cbor_event = "2.2.0"
 linked-hash-map = "0.5.3"
 derivative = "2.2.0"
diff --git a/chain/wasm/Cargo.toml b/chain/wasm/Cargo.toml
index 3dce0a78..e2f446c3 100644
--- a/chain/wasm/Cargo.toml
+++ b/chain/wasm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-chain-wasm"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 authors = ["dcSpark"]
 license = "MIT"
@@ -14,12 +14,12 @@ keywords = ["cardano"]
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-cml-chain = { path = "../rust", version = "5.3.1", features = ["used_from_wasm"] }
-cml-core = { path = "../../core/rust", version = "5.3.1" }
-cml-core-wasm = { path = "../../core/wasm", version = "5.3.1" }
+cml-chain = { path = "../rust", version = "6.0.0", features = ["used_from_wasm"] }
+cml-core = { path = "../../core/rust", version = "6.0.0" }
+cml-core-wasm = { path = "../../core/wasm", version = "6.0.0" }
 # TODO: remove this dependency if possible to reduce confusion? maybe pub export necessary things in crypto-wasm?
-cml-crypto = { path = "../../crypto/rust", version = "5.3.1" }
-cml-crypto-wasm = { path = "../../crypto/wasm", version = "5.3.1" }
+cml-crypto = { path = "../../crypto/rust", version = "6.0.0" }
+cml-crypto-wasm = { path = "../../crypto/wasm", version = "6.0.0" }
 cbor_event = "2.4.0"
 hex = "0.4.0"
 wasm-bindgen = { version = "0.2.87" }
diff --git a/chain/wasm/json-gen/Cargo.toml b/chain/wasm/json-gen/Cargo.toml
index 403ce862..dd311ca1 100644
--- a/chain/wasm/json-gen/Cargo.toml
+++ b/chain/wasm/json-gen/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-chain-json-schema-gen"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 keywords = ["cardano"]
 
diff --git a/cip25/rust/Cargo.toml b/cip25/rust/Cargo.toml
index 99b7e507..73c8e596 100644
--- a/cip25/rust/Cargo.toml
+++ b/cip25/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-cip25"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 authors = ["dcSpark"]
 license = "MIT"
@@ -14,9 +14,9 @@ keywords = ["cardano", "cip25"]
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-cml-chain = { "path" = "../../chain/rust", version = "5.3.1" }
-cml-core = { "path" = "../../core/rust", version = "5.3.1" }
-cml-crypto = { "path" = "../../crypto/rust", version = "5.3.1" }
+cml-chain = { "path" = "../../chain/rust", version = "6.0.0" }
+cml-core = { "path" = "../../core/rust", version = "6.0.0" }
+cml-crypto = { "path" = "../../crypto/rust", version = "6.0.0" }
 cbor_event = "2.2.0"
 hex = "0.4.0"
 schemars = "0.8.8"
diff --git a/cip25/wasm/Cargo.toml b/cip25/wasm/Cargo.toml
index 31b0a22f..6a55ab70 100644
--- a/cip25/wasm/Cargo.toml
+++ b/cip25/wasm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-cip25-wasm"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 authors = ["dcSpark"]
 license = "MIT"
@@ -15,11 +15,11 @@ crate-type = ["cdylib", "rlib"]
 
 [dependencies]
 cbor_event = "2.2.0"
-cml-chain = { path = "../../chain/rust", version = "5.3.1", features = ["used_from_wasm"] }
-cml-chain-wasm = { path = "../../chain/wasm", version = "5.3.1" }
-cml-core = { path = "../../core/rust", version = "5.3.1" }
-cml-core-wasm = { path = "../../core/wasm", version = "5.3.1" }
-cml-cip25 = { path = "../rust", version = "5.3.1" }
+cml-chain = { path = "../../chain/rust", version = "6.0.0", features = ["used_from_wasm"] }
+cml-chain-wasm = { path = "../../chain/wasm", version = "6.0.0" }
+cml-core = { path = "../../core/rust", version = "6.0.0" }
+cml-core-wasm = { path = "../../core/wasm", version = "6.0.0" }
+cml-cip25 = { path = "../rust", version = "6.0.0" }
 hex = "0.4.0"
 linked-hash-map = "0.5.3"
 serde_json = "1.0.57"
diff --git a/cip25/wasm/json-gen/Cargo.toml b/cip25/wasm/json-gen/Cargo.toml
index 09933ff8..36ebf1b7 100644
--- a/cip25/wasm/json-gen/Cargo.toml
+++ b/cip25/wasm/json-gen/Cargo.toml
@@ -1,10 +1,10 @@
 [package]
 name = "cml-cip25-json-schema-gen"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 keywords = ["cardano"]
 
 [dependencies]
 serde_json = "1.0.57"
 schemars = "0.8.8"
-cml-cip25 = { path = "../../rust", version = "5.3.1" }
+cml-cip25 = { path = "../../rust", version = "6.0.0" }
diff --git a/cip36/rust/Cargo.toml b/cip36/rust/Cargo.toml
index c4c58b28..9f035668 100644
--- a/cip36/rust/Cargo.toml
+++ b/cip36/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-cip36"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 authors = ["dcSpark"]
 license = "MIT"
@@ -14,9 +14,9 @@ keywords = ["cardano", "cip36"]
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-cml-core = { "path" = "../../core/rust", version = "5.3.1" }
-cml-crypto = { "path" = "../../crypto/rust", version = "5.3.1" }
-cml-chain = { "path" = "../../chain/rust", version = "5.3.1" }
+cml-core = { "path" = "../../core/rust", version = "6.0.0" }
+cml-crypto = { "path" = "../../crypto/rust", version = "6.0.0" }
+cml-chain = { "path" = "../../chain/rust", version = "6.0.0" }
 cbor_event = "2.2.0"
 linked-hash-map = "0.5.3"
 derivative = "2.2.0"
diff --git a/cip36/wasm/Cargo.toml b/cip36/wasm/Cargo.toml
index 0a83fc26..de268acb 100644
--- a/cip36/wasm/Cargo.toml
+++ b/cip36/wasm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-cip36-wasm"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 authors = ["dcSpark"]
 license = "MIT"
@@ -14,13 +14,13 @@ keywords = ["cardano", "cip36"]
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-cml-cip36 = { path = "../rust", version = "5.3.1" }
-cml-crypto = { path = "../../crypto/rust", version = "5.3.1" }
-cml-crypto-wasm = { path = "../../crypto/wasm", version = "5.3.1" }
-cml-chain = { path = "../../chain/rust", version = "5.3.1" }
-cml-chain-wasm = { path = "../../chain/wasm", version = "5.3.1" }
-cml-core = { path = "../../core/rust", version = "5.3.1" }
-cml-core-wasm = { path = "../../core/wasm", version = "5.3.1" }
+cml-cip36 = { path = "../rust", version = "6.0.0" }
+cml-crypto = { path = "../../crypto/rust", version = "6.0.0" }
+cml-crypto-wasm = { path = "../../crypto/wasm", version = "6.0.0" }
+cml-chain = { path = "../../chain/rust", version = "6.0.0" }
+cml-chain-wasm = { path = "../../chain/wasm", version = "6.0.0" }
+cml-core = { path = "../../core/rust", version = "6.0.0" }
+cml-core-wasm = { path = "../../core/wasm", version = "6.0.0" }
 cbor_event = "2.2.0"
 hex = "0.4.0"
 wasm-bindgen = { version = "0.2.87" }
diff --git a/cip36/wasm/json-gen/Cargo.toml b/cip36/wasm/json-gen/Cargo.toml
index 5c2595de..727f4a43 100644
--- a/cip36/wasm/json-gen/Cargo.toml
+++ b/cip36/wasm/json-gen/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-cip36-json-schema-gen"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 
 
diff --git a/cml/wasm/Cargo.toml b/cml/wasm/Cargo.toml
index 42ae2dc2..5dac39b0 100644
--- a/cml/wasm/Cargo.toml
+++ b/cml/wasm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cardano-multiplatform-lib"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 keywords = ["cardano"]
 license = "MIT"
@@ -13,11 +13,11 @@ readme = "../../README.md"
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-cml-chain-wasm = { path = "../../chain/wasm", version = "5.3.1" }
-cml-cip25-wasm = { path = "../../cip25/wasm", version = "5.3.1" }
-cml-cip36-wasm = { path = "../../cip36/wasm", version = "5.3.1" }
-cml-crypto-wasm = { path = "../../crypto/wasm", version = "5.3.1" }
-cml-core-wasm = { path = "../../core/wasm", version = "5.3.1" }
+cml-chain-wasm = { path = "../../chain/wasm", version = "6.0.0" }
+cml-cip25-wasm = { path = "../../cip25/wasm", version = "6.0.0" }
+cml-cip36-wasm = { path = "../../cip36/wasm", version = "6.0.0" }
+cml-crypto-wasm = { path = "../../crypto/wasm", version = "6.0.0" }
+cml-core-wasm = { path = "../../core/wasm", version = "6.0.0" }
 cbor_event = "2.4.0"
 hex = "0.4.0"
 linked-hash-map = "0.5.3"
diff --git a/cml/wasm/package.json b/cml/wasm/package.json
index 66ca30cb..7e098f74 100644
--- a/cml/wasm/package.json
+++ b/cml/wasm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cardano-multiplatform-lib",
-  "version": "5.3.1",
+  "version": "6.0.0",
   "description": "Cardano Multiplatform SDK for core Cardano blockchain functionality",
   "keywords": [
     "cardano"
diff --git a/core/rust/Cargo.toml b/core/rust/Cargo.toml
index 6b30f23a..0f0dddfd 100644
--- a/core/rust/Cargo.toml
+++ b/core/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-core"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 authors = ["dcSpark"]
 license = "MIT"
diff --git a/core/wasm/Cargo.toml b/core/wasm/Cargo.toml
index 58eac743..5b1fd3ba 100644
--- a/core/wasm/Cargo.toml
+++ b/core/wasm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-core-wasm"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 keywords = ["cardano"]
 license = "MIT"
@@ -13,7 +13,7 @@ readme = "../../README.md"
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-cml-core = { path = "../rust", version = "5.3.1" }
+cml-core = { path = "../rust", version = "6.0.0" }
 cbor_event = "2.2.0"
 hex = "0.4.0"
 wasm-bindgen = { version = "0.2.87" }
diff --git a/crypto/rust/Cargo.toml b/crypto/rust/Cargo.toml
index d9c348ce..ca0f958d 100644
--- a/crypto/rust/Cargo.toml
+++ b/crypto/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-crypto"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 authors = ["dcSpark"]
 license = "MIT"
@@ -14,7 +14,7 @@ keywords = ["cardano"]
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-cml-core = { "path" = "../../core/rust", version = "5.3.1" }
+cml-core = { "path" = "../../core/rust", version = "6.0.0" }
 base64 = "0.21.5"
 cbor_event = "2.2.0"
 cryptoxide = "0.4.2"
diff --git a/crypto/wasm/Cargo.toml b/crypto/wasm/Cargo.toml
index f6b14588..d9b3a58c 100644
--- a/crypto/wasm/Cargo.toml
+++ b/crypto/wasm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-crypto-wasm"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 authors = ["dcSpark"]
 license = "MIT"
@@ -14,8 +14,8 @@ keywords = ["cardano"]
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-cml-core-wasm = { path = "../../core/wasm", version = "5.3.1" }
-cml-crypto = { path = "../rust", version = "5.3.1" }
+cml-core-wasm = { path = "../../core/wasm", version = "6.0.0" }
+cml-crypto = { path = "../rust", version = "6.0.0" }
 cbor_event = "2.2.0"
 wasm-bindgen = { version = "0.2.87" }
 linked-hash-map = "0.5.3"
diff --git a/multi-era/rust/Cargo.toml b/multi-era/rust/Cargo.toml
index 37d29a25..9b203f5c 100644
--- a/multi-era/rust/Cargo.toml
+++ b/multi-era/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-multi-era"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 authors = ["dcSpark"]
 license = "MIT"
@@ -17,9 +17,9 @@ crate-type = ["cdylib", "rlib"]
 used_from_wasm = ["wasm-bindgen"]
 
 [dependencies]
-cml-core = { path = "../../core/rust", version = "5.3.1" }
-cml-crypto = { path = "../../crypto/rust", version = "5.3.1" }
-cml-chain = { path = "../../chain/rust", version = "5.3.1" }
+cml-core = { path = "../../core/rust", version = "6.0.0" }
+cml-crypto = { path = "../../crypto/rust", version = "6.0.0" }
+cml-chain = { path = "../../chain/rust", version = "6.0.0" }
 cbor_event = "2.4.0"
 linked-hash-map = "0.5.3"
 derivative = "2.2.0"
diff --git a/multi-era/wasm/Cargo.toml b/multi-era/wasm/Cargo.toml
index 51d6d997..82bcea69 100644
--- a/multi-era/wasm/Cargo.toml
+++ b/multi-era/wasm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-multi-era-wasm"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 authors = ["dcSpark"]
 license = "MIT"
@@ -14,13 +14,13 @@ keywords = ["cardano"]
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-cml-chain = { path = "../../chain/rust", version = "5.3.1", features = ["used_from_wasm"] }
-cml-chain-wasm = { path = "../../chain/wasm", version = "5.3.1" }
-cml-crypto = { path = "../../crypto/rust", version = "5.3.1" }
-cml-crypto-wasm = { path = "../../crypto/wasm", version = "5.3.1" }
-cml-core = { path = "../../core/rust", version = "5.3.1" }
-cml-core-wasm = { path = "../../core/wasm", version = "5.3.1" }
-cml-multi-era = { path = "../rust", version = "5.3.1", features = ["used_from_wasm"] }
+cml-chain = { path = "../../chain/rust", version = "6.0.0", features = ["used_from_wasm"] }
+cml-chain-wasm = { path = "../../chain/wasm", version = "6.0.0" }
+cml-crypto = { path = "../../crypto/rust", version = "6.0.0" }
+cml-crypto-wasm = { path = "../../crypto/wasm", version = "6.0.0" }
+cml-core = { path = "../../core/rust", version = "6.0.0" }
+cml-core-wasm = { path = "../../core/wasm", version = "6.0.0" }
+cml-multi-era = { path = "../rust", version = "6.0.0", features = ["used_from_wasm"] }
 cbor_event = "2.4.0"
 hex = "0.4.0"
 linked-hash-map = "0.5.3"
@@ -28,5 +28,5 @@ serde_json = "1.0.57"
 serde-wasm-bindgen = "0.4.5"
 wasm-bindgen = { version = "0.2.87" }
 # not actual multi-era dependencies but we re-export these for the wasm builds
-cml-cip25-wasm = { path = "../../cip25/wasm", version = "5.3.1" }
-cml-cip36-wasm = { path = "../../cip36/wasm", version = "5.3.1" }
+cml-cip25-wasm = { path = "../../cip25/wasm", version = "6.0.0" }
+cml-cip36-wasm = { path = "../../cip36/wasm", version = "6.0.0" }
diff --git a/multi-era/wasm/json-gen/Cargo.toml b/multi-era/wasm/json-gen/Cargo.toml
index ff0fdf42..97a0cda7 100644
--- a/multi-era/wasm/json-gen/Cargo.toml
+++ b/multi-era/wasm/json-gen/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cml-multi-era-json-schema-gen"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 
 
diff --git a/package.json b/package.json
index db51eae0..e280d29e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cardano-multiplatform-lib",
-  "version": "5.3.1",
+  "version": "6.0.0",
   "description": "Cardano Multiplatform SDK for core Cardano blockchain functionality",
   "keywords": [
     "cardano"
diff --git a/tools/metadata-cddl-checker/Cargo.toml b/tools/metadata-cddl-checker/Cargo.toml
index 0d7553b2..1a0664ed 100644
--- a/tools/metadata-cddl-checker/Cargo.toml
+++ b/tools/metadata-cddl-checker/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "metadata-cddl-checker"
-version = "5.3.1"
+version = "6.0.0"
 edition = "2018"
 
 [dependencies]
diff --git a/tools/plutus-datum-codegen/src/main.rs b/tools/plutus-datum-codegen/src/main.rs
index 607c25d6..1e3d127d 100644
--- a/tools/plutus-datum-codegen/src/main.rs
+++ b/tools/plutus-datum-codegen/src/main.rs
@@ -628,7 +628,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     }
     prepend_import_raw_bytes_encoding(cli.output.join("rust").join("src"))?;
 
-    // generate utilty functions
+    // generate utility functions
     let export_utf8_utils = user_input_map
         .iter()
         .any(|(_path, file_str)| file_str.contains("utf8_text"));
@@ -690,18 +690,18 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         .append(true)
         .open(cli.output.join("rust").join("Cargo.toml"))
         .unwrap();
-    rust_cargo.write_all("cml-core = \"5.3.1\"\n".as_bytes())?;
-    rust_cargo.write_all("cml-chain = \"5.3.1\"\n".as_bytes())?;
-    rust_cargo.write_all("cml-crypto = \"5.3.1\"\n".as_bytes())?;
+    rust_cargo.write_all("cml-core = \"6.0.0\"\n".as_bytes())?;
+    rust_cargo.write_all("cml-chain = \"6.0.0\"\n".as_bytes())?;
+    rust_cargo.write_all("cml-crypto = \"6.0.0\"\n".as_bytes())?;
     if cli.wasm {
         let mut wasm_cargo = std::fs::OpenOptions::new()
             .append(true)
             .open(cli.output.join("wasm").join("Cargo.toml"))
             .unwrap();
-        wasm_cargo.write_all("cml-core = \"5.3.1\"\n".as_bytes())?;
-        wasm_cargo.write_all("cml-core-wasm = \"5.3.1\"\n".as_bytes())?;
-        wasm_cargo.write_all("cml-chain = \"5.3.1\"\n".as_bytes())?;
-        wasm_cargo.write_all("cml-chain-wasm = \"5.3.1\"\n".as_bytes())?;
+        wasm_cargo.write_all("cml-core = \"6.0.0\"\n".as_bytes())?;
+        wasm_cargo.write_all("cml-core-wasm = \"6.0.0\"\n".as_bytes())?;
+        wasm_cargo.write_all("cml-chain = \"6.0.0\"\n".as_bytes())?;
+        wasm_cargo.write_all("cml-chain-wasm = \"6.0.0\"\n".as_bytes())?;
         // needed for cml-core's cbor/json macros
         wasm_cargo.write_all("hex = \"0.4.3\"\n".as_bytes())?;
     }