diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7cf1aeef2..6c546e627 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,9 +2,18 @@
 
 ## Unreleased
 
+## 2026-01-09
+
+### candid_parser 0.3.0 & didc 0.6.0
+
 * Breaking changes:
   + Changed imports generated by `candid_parser::bindings::typescript::compile` from `@dfinity/*` to `@icp-sdk/core/*`
 
+### ic_principal 0.1.2
+
+* Non-breaking changes:
+  + Implement `rangemap::StepLite` for `Principal` (requires the optional `rangemap` feature flag)
+
 ## 2025-12-18
 
 ### candid_parser 0.2.4 & didc 0.5.4
diff --git a/Cargo.lock b/Cargo.lock
index ab5339114..898730482 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -195,7 +195,7 @@ dependencies = [
  "byteorder",
  "candid_derive 0.6.6",
  "hex",
- "ic_principal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ic_principal 0.1.1",
  "leb128",
  "num-bigint",
  "num-traits",
@@ -216,9 +216,9 @@ dependencies = [
  "binread",
  "byteorder",
  "candid_derive 0.10.20",
- "candid_parser 0.2.4",
+ "candid_parser 0.3.0",
  "hex",
- "ic_principal 0.1.1",
+ "ic_principal 0.1.2",
  "leb128",
  "num-bigint",
  "num-traits",
@@ -276,7 +276,7 @@ dependencies = [
 
 [[package]]
 name = "candid_parser"
-version = "0.2.4"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "arbitrary",
@@ -479,10 +479,10 @@ dependencies = [
 
 [[package]]
 name = "didc"
-version = "0.5.4"
+version = "0.6.0"
 dependencies = [
  "anyhow",
- "candid_parser 0.2.4",
+ "candid_parser 0.3.0",
  "clap",
  "console",
  "hex",
@@ -689,30 +689,30 @@ checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 [[package]]
 name = "ic_principal"
 version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1762deb6f7c8d8c2bdee4b6c5a47b60195b74e9b5280faa5ba29692f8e17429c"
 dependencies = [
  "arbitrary",
  "crc32fast",
  "data-encoding",
- "impls",
- "rangemap",
  "serde",
- "serde_cbor",
- "serde_json",
- "serde_test",
  "sha2",
  "thiserror",
 ]
 
 [[package]]
 name = "ic_principal"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1762deb6f7c8d8c2bdee4b6c5a47b60195b74e9b5280faa5ba29692f8e17429c"
+version = "0.1.2"
 dependencies = [
  "arbitrary",
  "crc32fast",
  "data-encoding",
+ "impls",
+ "rangemap",
  "serde",
+ "serde_cbor",
+ "serde_json",
+ "serde_test",
  "sha2",
  "thiserror",
 ]
diff --git a/rust/bench/Cargo.lock b/rust/bench/Cargo.lock
index 0fed37da4..109b26483 100644
--- a/rust/bench/Cargo.lock
+++ b/rust/bench/Cargo.lock
@@ -178,7 +178,7 @@ dependencies = [
 
 [[package]]
 name = "candid_parser"
-version = "0.2.4"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "candid",
@@ -498,7 +498,7 @@ checksum = "8de254dd67bbd58073e23dc1c8553ba12fa1dc610a19de94ad2bbcd0460c067f"
 
 [[package]]
 name = "ic_principal"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "arbitrary",
  "crc32fast",
diff --git a/rust/candid_parser/Cargo.toml b/rust/candid_parser/Cargo.toml
index cb221692e..3293440d1 100644
--- a/rust/candid_parser/Cargo.toml
+++ b/rust/candid_parser/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "candid_parser"
-version = "0.2.4"
+version = "0.3.0"
 edition = "2021"
 rust-version.workspace = true
 authors = ["DFINITY Team"]
diff --git a/rust/ic_principal/Cargo.toml b/rust/ic_principal/Cargo.toml
index 3cddb67a5..5f889810e 100644
--- a/rust/ic_principal/Cargo.toml
+++ b/rust/ic_principal/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ic_principal"
-version = "0.1.1"
+version = "0.1.2"
 authors = ["DFINITY Stiftung <sdk@dfinity.org>"]
 edition = "2021"
 rust-version.workspace = true
diff --git a/tools/didc/Cargo.toml b/tools/didc/Cargo.toml
index 43fe2b382..52f4f9448 100644
--- a/tools/didc/Cargo.toml
+++ b/tools/didc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "didc"
-version = "0.5.4"
+version = "0.6.0"
 authors = ["DFINITY Team"]
 edition = "2021"
 
diff --git a/tools/didc/README.md b/tools/didc/README.md
index 9c5d83e50..5fcb2dda9 100644
--- a/tools/didc/README.md
+++ b/tools/didc/README.md
@@ -3,7 +3,7 @@
 A multi-purpose tool for Candid.
 
 ```
-didc 0.4.0
+didc 0.6.0
 
 USAGE:
     didc <SUBCOMMAND>