diff --git a/rust/signed_doc/Cargo.toml b/rust/signed_doc/Cargo.toml
index 6bd2c874d4..3f5235cd02 100644
--- a/rust/signed_doc/Cargo.toml
+++ b/rust/signed_doc/Cargo.toml
@@ -12,7 +12,7 @@ workspace = true
 
 [dependencies]
 rbac-registration = { version = "0.0.2", git = "https://github.com/input-output-hk/catalyst-libs.git", tag = "r20250128-01" }
-catalyst-types = { version = "0.0.1", git = "https://github.com/input-output-hk/catalyst-libs.git", tag = "r20250128-01" }
+catalyst-types = { version = "0.0.1", git = "https://github.com/input-output-hk/catalyst-libs.git", tag = "r20250204-00" }
 anyhow = "1.0.95"
 serde = { version = "1.0.217", features = ["derive"] }
 serde_json = "1.0.134"
@@ -20,7 +20,6 @@ coset = "0.3.8"
 minicbor = { version = "0.25.1", features = ["half"] }
 brotli = "7.0.0"
 ed25519-dalek = { version = "2.1.1", features = ["pem", "rand_core"] }
-uuid = { version = "1.11.0", features = ["v4", "v7", "serde"] }
 hex = "0.4.3"
 strum = { version = "0.26.3", features = ["derive"] }
 clap = { version = "4.5.23",  features = ["derive", "env"] }
diff --git a/rust/signed_doc/src/doc_types/mod.rs b/rust/signed_doc/src/doc_types/mod.rs
index e07dbb00b2..b971e01414 100644
--- a/rust/signed_doc/src/doc_types/mod.rs
+++ b/rust/signed_doc/src/doc_types/mod.rs
@@ -3,7 +3,7 @@
 
 mod proposal_document;
 
-use catalyst_types::uuid::UuidV4;
+use catalyst_types::uuid::{Uuid, UuidV4};
 pub use proposal_document::{ProposalDocument, PROPOSAL_DOCUMENT_UUID_TYPE};
 
 /// Represents different types of documents.
@@ -44,50 +44,46 @@ pub enum DocumentType {
 }
 
 /// Proposal template `UuidV4` type.
-const PROPOSAL_TEMPLATE_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0x0CE8_AB38_9258_4FBC_A62E_7FAA_6E58_318F);
+const PROPOSAL_TEMPLATE_UUID_TYPE: Uuid =
+    Uuid::from_u128(0x0CE8_AB38_9258_4FBC_A62E_7FAA_6E58_318F);
 /// Comment document `UuidV4` type.
-const COMMENT_DOCUMENT_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0xB679_DED3_0E7C_41BA_89F8_DA62_A178_98EA);
+const COMMENT_DOCUMENT_UUID_TYPE: Uuid = Uuid::from_u128(0xB679_DED3_0E7C_41BA_89F8_DA62_A178_98EA);
 /// Comment template `UuidV4` type.
-const COMMENT_TEMPLATE_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0x0B84_24D4_EBFD_46E3_9577_1775_A69D_290C);
+const COMMENT_TEMPLATE_UUID_TYPE: Uuid = Uuid::from_u128(0x0B84_24D4_EBFD_46E3_9577_1775_A69D_290C);
 /// Review document `UuidV4` type.
-const REVIEW_DOCUMENT_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0xE4CA_F5F0_098B_45FD_94F3_0702_A457_3DB5);
+const REVIEW_DOCUMENT_UUID_TYPE: Uuid = Uuid::from_u128(0xE4CA_F5F0_098B_45FD_94F3_0702_A457_3DB5);
 /// Review template `UuidV4` type.
-const REVIEW_TEMPLATE_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0xEBE5_D0BF_5D86_4577_AF4D_008F_DDBE_2EDC);
+const REVIEW_TEMPLATE_UUID_TYPE: Uuid = Uuid::from_u128(0xEBE5_D0BF_5D86_4577_AF4D_008F_DDBE_2EDC);
 /// Category parameters document `UuidV4` type.
-const CATEGORY_PARAMETERS_DOCUMENT_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0x48C2_0109_362A_4D32_9BBA_E0A9_CF8B_45BE);
+const CATEGORY_PARAMETERS_DOCUMENT_UUID_TYPE: Uuid =
+    Uuid::from_u128(0x48C2_0109_362A_4D32_9BBA_E0A9_CF8B_45BE);
 /// Category parameters template `UuidV4` type.
-const CATEGORY_PARAMETERS_TEMPLATE_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0x65B1_E8B0_51F1_46A5_9970_72CD_F268_84BE);
+const CATEGORY_PARAMETERS_TEMPLATE_UUID_TYPE: Uuid =
+    Uuid::from_u128(0x65B1_E8B0_51F1_46A5_9970_72CD_F268_84BE);
 /// Campaign parameters document `UuidV4` type.
-const CAMPAIGN_PARAMETERS_DOCUMENT_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0x0110_EA96_A555_47CE_8408_36EF_E6ED_6F7C);
+const CAMPAIGN_PARAMETERS_DOCUMENT_UUID_TYPE: Uuid =
+    Uuid::from_u128(0x0110_EA96_A555_47CE_8408_36EF_E6ED_6F7C);
 /// Campaign parameters template `UuidV4` type.
-const CAMPAIGN_PARAMETERS_TEMPLATE_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0x7E8F_5FA2_44CE_49C8_BFD5_02AF_42C1_79A3);
+const CAMPAIGN_PARAMETERS_TEMPLATE_UUID_TYPE: Uuid =
+    Uuid::from_u128(0x7E8F_5FA2_44CE_49C8_BFD5_02AF_42C1_79A3);
 /// Brand parameters document `UuidV4` type.
-const BRAND_PARAMETERS_DOCUMENT_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0x3E48_08CC_C86E_467B_9702_D60B_AA9D_1FCA);
+const BRAND_PARAMETERS_DOCUMENT_UUID_TYPE: Uuid =
+    Uuid::from_u128(0x3E48_08CC_C86E_467B_9702_D60B_AA9D_1FCA);
 /// Brand parameters template `UuidV4` type.
-const BRAND_PARAMETERS_TEMPLATE_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0xFD3C_1735_80B1_4EEA_8D63_5F43_6D97_EA31);
+const BRAND_PARAMETERS_TEMPLATE_UUID_TYPE: Uuid =
+    Uuid::from_u128(0xFD3C_1735_80B1_4EEA_8D63_5F43_6D97_EA31);
 /// Proposal action document `UuidV4` type.
-const PROPOSAL_ACTION_DOCUMENT_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0x5E60_E623_AD02_4A1B_A1AC_406D_B978_EE48);
+const PROPOSAL_ACTION_DOCUMENT_UUID_TYPE: Uuid =
+    Uuid::from_u128(0x5E60_E623_AD02_4A1B_A1AC_406D_B978_EE48);
 /// Public vote transaction v2 `UuidV4` type.
-const PUBLIC_VOTE_TX_V2_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0x8DE5_586C_E998_4B95_8742_7BE3_C859_2803);
+const PUBLIC_VOTE_TX_V2_UUID_TYPE: Uuid =
+    Uuid::from_u128(0x8DE5_586C_E998_4B95_8742_7BE3_C859_2803);
 /// Private vote transaction v2 `UuidV4` type.
-const PRIVATE_VOTE_TX_V2_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0xE78E_E18D_F380_44C1_A852_80AA_6ECB_07FE);
+const PRIVATE_VOTE_TX_V2_UUID_TYPE: Uuid =
+    Uuid::from_u128(0xE78E_E18D_F380_44C1_A852_80AA_6ECB_07FE);
 /// Immutable ledger block `UuidV4` type.
-const IMMUTABLE_LEDGER_BLOCK_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0xD9E7_E6CE_2401_4D7D_9492_F4F7_C642_41C3);
+const IMMUTABLE_LEDGER_BLOCK_UUID_TYPE: Uuid =
+    Uuid::from_u128(0xD9E7_E6CE_2401_4D7D_9492_F4F7_C642_41C3);
 
 impl TryFrom<UuidV4> for DocumentType {
     type Error = anyhow::Error;
diff --git a/rust/signed_doc/src/doc_types/proposal_document.rs b/rust/signed_doc/src/doc_types/proposal_document.rs
index 7fffae7f07..4756c956fa 100644
--- a/rust/signed_doc/src/doc_types/proposal_document.rs
+++ b/rust/signed_doc/src/doc_types/proposal_document.rs
@@ -1,13 +1,13 @@
 //! Proposal Document object implementation
 //! <https://input-output-hk.github.io/catalyst-libs/architecture/08_concepts/catalyst_docs/proposal/#proposal-document>
 
-use catalyst_types::problem_report::ProblemReport;
+use catalyst_types::{problem_report::ProblemReport, uuid::Uuid};
 
 use crate::{error::CatalystSignedDocError, CatalystSignedDocument};
 
 /// Proposal document `UuidV4` type.
-pub const PROPOSAL_DOCUMENT_UUID_TYPE: uuid::Uuid =
-    uuid::Uuid::from_u128(0x7808_D2BA_D511_40AF_84E8_C0D1_625F_DFDC);
+pub const PROPOSAL_DOCUMENT_UUID_TYPE: Uuid =
+    Uuid::from_u128(0x7808_D2BA_D511_40AF_84E8_C0D1_625F_DFDC);
 
 /// Proposal Document struct
 pub struct ProposalDocument {
diff --git a/rust/signed_doc/src/lib.rs b/rust/signed_doc/src/lib.rs
index 2f9ab9e3fb..7c40539296 100644
--- a/rust/signed_doc/src/lib.rs
+++ b/rust/signed_doc/src/lib.rs
@@ -17,12 +17,12 @@ use std::{
 
 pub use builder::Builder;
 use catalyst_types::problem_report::ProblemReport;
-pub use catalyst_types::uuid::{UuidV4, UuidV7};
+pub use catalyst_types::uuid::{Uuid, UuidV4, UuidV7};
 pub use content::Content;
 use coset::{CborSerializable, Header};
 use error::CatalystSignedDocError;
 pub use metadata::{DocumentRef, ExtraFields, Metadata};
-pub use minicbor::{decode, encode, Decode, Decoder, Encode};
+pub use minicbor::{decode, encode, Decode, Decoder, Encode, Encoder};
 pub use rbac_registration::cardano::cip509::SimplePublicKeyType;
 pub use signature::{IdUri, Signatures};
 use utils::context::DecodeSignDocCtx;
@@ -106,7 +106,7 @@ impl CatalystSignedDocument {
 
     /// Return a Document's signatures
     #[must_use]
-    pub fn signatures(&self) -> &Signatures {
+    pub(crate) fn signatures(&self) -> &Signatures {
         &self.inner.signatures
     }
 
@@ -119,12 +119,7 @@ impl CatalystSignedDocument {
     /// Return a list of Document's author IDs (short form of Catalyst IDs).
     #[must_use]
     pub fn authors(&self) -> Vec<IdUri> {
-        self.inner
-            .signatures
-            .kids()
-            .into_iter()
-            .map(|k| k.as_short_id())
-            .collect()
+        self.inner.signatures.authors()
     }
 
     /// Verify document signatures.
diff --git a/rust/signed_doc/src/signature/mod.rs b/rust/signed_doc/src/signature/mod.rs
index 91738ca4af..4ef3f608be 100644
--- a/rust/signed_doc/src/signature/mod.rs
+++ b/rust/signed_doc/src/signature/mod.rs
@@ -25,7 +25,13 @@ impl Signatures {
         Self(Vec::new())
     }
 
-    /// List of signature Key IDs.
+    /// Return a list of author IDs (short form of Catalyst IDs).
+    #[must_use]
+    pub fn authors(&self) -> Vec<IdUri> {
+        self.kids().into_iter().map(|k| k.as_short_id()).collect()
+    }
+
+    /// Return a list of Document's Catalyst IDs.
     #[must_use]
     pub fn kids(&self) -> Vec<IdUri> {
         self.0.iter().map(|sig| sig.kid.clone()).collect()