diff --git a/Cargo.lock b/Cargo.lock
index 2c716721..cf659668 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10,7 +10,7 @@ version = "0.4.0"
 name = "block-buffer"
 version = "0.11.0-rc.5"
 dependencies = [
- "hex-literal 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 1.0.0",
  "hybrid-array",
  "zeroize 1.8.2",
 ]
@@ -33,9 +33,9 @@ dependencies = [
 
 [[package]]
 name = "cfg-if"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fd1289c04a9ea8cb22300a459a72a385d7c73d3259e2ed7dcb2af674838cfa9"
+checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
 [[package]]
 name = "cmov"
@@ -112,12 +112,12 @@ checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 [[package]]
 name = "hex-literal"
 version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bcaaec4551594c969335c98c903c1397853d4198408ea609190f420500f6be71"
 
 [[package]]
 name = "hex-literal"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcaaec4551594c969335c98c903c1397853d4198408ea609190f420500f6be71"
+version = "1.1.0"
 
 [[package]]
 name = "hybrid-array"
@@ -153,9 +153,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.176"
+version = "0.2.177"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58f929b4d672ea937a23a1ab494143d968337a5f47e56d0815df1e0890ddf174"
+checksum = "2874a2af47a2325c2001a6e6fad9b16a53b802102b528163885171cf92b15976"
 
 [[package]]
 name = "memchr"
@@ -169,9 +169,9 @@ version = "0.4.0-pre"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.101"
+version = "1.0.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89ae43fd86e4158d6db51ad8e2b80f313af9cc74f5c0e03ccb87de09998732de"
+checksum = "5ee95bc4ef87b8d5ba32e8b7714ccc834865276eab0aed5c9958d00ec45f49e8"
 dependencies = [
  "unicode-ident",
 ]
@@ -257,9 +257,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.106"
+version = "2.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ede7c438028d4436d71104916910f5bb611972c5cfd7f89b8300a8186e6fada6"
+checksum = "da58917d35242480a05c2897064da0a80589a2a0476c9a3f2fdc83b53502e917"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -274,9 +274,9 @@ checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.19"
+version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f63a545481291138910575129486daeaf8ac54aee4387fe7906919f7830c7d9d"
+checksum = "462eeb75aeb73aea900253ce739c8e18a67423fadf006037cd3ff27e82748a06"
 
 [[package]]
 name = "wycheproof2blb"
diff --git a/hex-literal/CHANGELOG.md b/hex-literal/CHANGELOG.md
index 4247fe11..a5b1ea96 100644
--- a/hex-literal/CHANGELOG.md
+++ b/hex-literal/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 1.1.0 (2025-10-29)
+### Added
+- Colon-delimited literals support ([#1244])
+
+[#1244]: https://github.com/RustCrypto/utils/pull/1244
+
 ## 1.0.0 (2025-02-22)
 ### Changed
 - Edition changed to 2024 and MSRV bumped to 1.85 ([#1149])
diff --git a/hex-literal/Cargo.toml b/hex-literal/Cargo.toml
index 44527917..d7f75631 100644
--- a/hex-literal/Cargo.toml
+++ b/hex-literal/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hex-literal"
-version = "1.0.0"
+version = "1.1.0"
 authors = ["RustCrypto Developers"]
 edition = "2024"
 rust-version = "1.85"
diff --git a/hex-literal/README.md b/hex-literal/README.md
index 277bf56a..8778cf00 100644
--- a/hex-literal/README.md
+++ b/hex-literal/README.md
@@ -11,7 +11,7 @@ This crate provides the `hex!` macro for converting a sequence of hexadecimal st
 The macro accepts the following characters in input string literals:
 
 - `'0'...'9'`, `'a'...'f'`, `'A'...'F'` — hex characters which will be used in construction of the output byte array
-- `' '`, `'\r'`, `'\n'`, `'\t'` — formatting characters which will be ignored
+- `' '`, `:`, `'\r'`, `'\n'`, `'\t'` — formatting characters which will be ignored
 
 # Examples
 ```rust
@@ -26,6 +26,9 @@ assert_eq!(hex!("a1 b2 c3 d4"), [0xA1, 0xB2, 0xC3, 0xD4]);
 assert_eq!(hex!("E5 E6 90 92"), [0xE5, 0xE6, 0x90, 0x92]);
 assert_eq!(hex!("0a0B 0C0d"), [10, 11, 12, 13]);
 
+// Colon-delimited literals
+assert_eq!(hex!("0A:0B:0C:0D"), [10, 11, 12, 13]);
+
 // Multi-line literals
 let bytes1 = hex!("
     00010203 04050607
diff --git a/hex-literal/src/lib.rs b/hex-literal/src/lib.rs
index 61668c03..ca97b177 100644
--- a/hex-literal/src/lib.rs
+++ b/hex-literal/src/lib.rs
@@ -13,7 +13,7 @@ const fn next_hex_char(string: &[u8], mut pos: usize) -> Option<(u8, usize)> {
             b'0'..=b'9' => raw_val - 48,
             b'A'..=b'F' => raw_val - 55,
             b'a'..=b'f' => raw_val - 87,
-            b' ' | b'\r' | b'\n' | b'\t' => continue,
+            b' ' | b':' | b'\r' | b'\n' | b'\t' => continue,
             0..=127 => panic!("Encountered invalid ASCII character"),
             _ => panic!("Encountered non-ASCII character"),
         };