diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc0e873..bbcb5ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Fixed colour resetting for build output header, error and warning messages. ([#303](https://github.com/heroku/buildpacks-python/pull/303) / [heroku/libcnb.rs#890](https://github.com/heroku/libcnb.rs/pull/890))
+
 ## [0.20.0] - 2024-12-10
 
 ### Changed
diff --git a/Cargo.lock b/Cargo.lock
index a79959a..4306fa5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "aho-corasick"
@@ -59,32 +59,32 @@ dependencies = [
 
 [[package]]
 name = "cargo-platform"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24b1f0365a6c6bb4020cd05806fd0d33c44d38046b8bd7f0e40814b9763cabfc"
+checksum = "e35af189006b9c0f00a064685c727031e3ed2d8020f7ba284d78cc2671bd36ea"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "cargo_metadata"
-version = "0.18.1"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d886547e41f740c616ae73108f6eb70afe6d940c7bc697cb30f13daec073037"
+checksum = "8769706aad5d996120af43197bf46ef6ad0fda35216b4505f926a365a232d924"
 dependencies = [
  "camino",
  "cargo-platform",
  "semver",
  "serde",
  "serde_json",
- "thiserror 1.0.69",
+ "thiserror",
 ]
 
 [[package]]
 name = "cc"
-version = "1.2.1"
+version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd9de9f2205d5ef3fd67e685b0df337994ddd4495e2a28d185500d0e1edfea47"
+checksum = "27f657647bcff5394bf56c7317665bbf790a137a50eaaa5c6bfbb9e27a518f2d"
 dependencies = [
  "jobserver",
  "libc",
@@ -147,12 +147,12 @@ checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
 [[package]]
 name = "errno"
-version = "0.3.9"
+version = "0.3.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba"
+checksum = "33d852cb9b869c2a9b3df2f71a3074817f01e1844f839a144f5fcef059a4eb5d"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -168,9 +168,9 @@ dependencies = [
 
 [[package]]
 name = "fastrand"
-version = "2.2.0"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "486f806e73c5707928240ddc295403b1b93c96a02038563881c4a2fd84b81ac4"
+checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
 
 [[package]]
 name = "filetime"
@@ -407,9 +407,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.6.0"
+version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "707907fe3c25f5424cce2cb7e1cbcafee6bdbe735ca90ef77c29e84591e5b9da"
+checksum = "62f822373a4fe84d4bb149bf54e584a7f4abec90e072ed49cda0edea5b95471f"
 dependencies = [
  "equivalent",
  "hashbrown",
@@ -423,9 +423,9 @@ checksum = "b248f5224d1d606005e02c97f5aa4e88eeb230488bcc03bc9ca4d7991399f2b5"
 
 [[package]]
 name = "itoa"
-version = "1.0.13"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "540654e97a3f4470a492cd30ff187bc95d89557a903a2bbf112e2fae98104ef2"
+checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
 
 [[package]]
 name = "jobserver"
@@ -444,54 +444,54 @@ checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
 name = "libc"
-version = "0.2.164"
+version = "0.2.168"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "433bfe06b8c75da9b2e3fbea6e5329ff87748f0b144ef75306e674c3f6f7c13f"
+checksum = "5aaeb2981e0606ca11d79718f8bb01164f1d6ed75080182d3abf017e6d244b6d"
 
 [[package]]
 name = "libcnb"
-version = "0.26.0"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98756d5a203c14dc67adc4e0419e83ddacaef6ef6bd9ac198cf55e310509ac1f"
+checksum = "6d08771539bfa8546047d1e97604d934cc434666c95888bccc5160d842278ffe"
 dependencies = [
  "libcnb-common",
  "libcnb-data",
  "libcnb-proc-macros",
  "serde",
- "thiserror 2.0.3",
+ "thiserror",
  "toml",
 ]
 
 [[package]]
 name = "libcnb-common"
-version = "0.26.0"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19256408316a00c350f6babf3a6ae974264e9440e5ac7bfe9649431bce97aaf4"
+checksum = "837b27a670357054c97b755e948c17b0c7178779cd184ab829ee3b1509dff9e1"
 dependencies = [
  "serde",
- "thiserror 2.0.3",
+ "thiserror",
  "toml",
 ]
 
 [[package]]
 name = "libcnb-data"
-version = "0.26.0"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3938870d11721a0d3466b7daefd09362b6851a3277b3930fc41e449185d7c553"
+checksum = "0a6e0e25605a6da2a74d0330df8956c2c435025af45d916702b18122d111b3ae"
 dependencies = [
  "fancy-regex",
  "libcnb-proc-macros",
  "serde",
- "thiserror 2.0.3",
+ "thiserror",
  "toml",
  "uriparse",
 ]
 
 [[package]]
 name = "libcnb-package"
-version = "0.26.0"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "690a25b9a256a76c145fdd66a65277a099148a9a38ceec2eb2ebcb3a70ef1f41"
+checksum = "ffb06ce67952c76d479680fbfc37454644131a105802757b4a5e30f00079c3fe"
 dependencies = [
  "cargo_metadata",
  "ignore",
@@ -499,16 +499,16 @@ dependencies = [
  "libcnb-common",
  "libcnb-data",
  "petgraph",
- "thiserror 2.0.3",
+ "thiserror",
  "uriparse",
  "which",
 ]
 
 [[package]]
 name = "libcnb-proc-macros"
-version = "0.26.0"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9be015e5279a2848ef937cc797cecf6432354b6a74c72530b0b07e6e36800f65"
+checksum = "c0e218641e04ebb8400e838aa2a6d62a81cd44447bb0ba98aa36467a014d6a3a"
 dependencies = [
  "cargo_metadata",
  "fancy-regex",
@@ -518,9 +518,9 @@ dependencies = [
 
 [[package]]
 name = "libcnb-test"
-version = "0.26.0"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b46991106f2bbe68e141ea3fbc02452493dc52677c39ede22a5918fc130e5c23"
+checksum = "0f3311c2924ee267451cbf9fd67fedad4d3960f2819decc67b590255bd5cadd6"
 dependencies = [
  "fastrand",
  "fs_extra",
@@ -529,14 +529,14 @@ dependencies = [
  "libcnb-package",
  "regex",
  "tempfile",
- "thiserror 2.0.3",
+ "thiserror",
 ]
 
 [[package]]
 name = "libherokubuildpack"
-version = "0.26.0"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45070d23cda8614758579eddae211a6267e86bcef8ab75a1cd239eac45a6778d"
+checksum = "3a8dd4cecc7b0cf175eb115cf112e7e6b6ff900be9308b83ba3d5f3c14e59bb8"
 dependencies = [
  "termcolor",
 ]
@@ -691,22 +691,22 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.38.41"
+version = "0.38.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7f649912bc1495e167a6edee79151c84b1bad49748cb4f1f1167f459f6224f6"
+checksum = "f93dc38ecbab2eb790ff964bb77fa94faf256fd3e73285fd7ba0903b76bedb85"
 dependencies = [
  "bitflags",
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
 name = "rustls"
-version = "0.23.18"
+version = "0.23.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c9cc1d47e243d655ace55ed38201c19ae02c148ae56412ab8750e8f0166ab7f"
+checksum = "934b404430bb06b3fae2cba809eb45a1ab1aecd64491213d7c3301b88393f8d1"
 dependencies = [
  "log",
  "once_cell",
@@ -831,9 +831,9 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "syn"
-version = "2.0.89"
+version = "2.0.90"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44d46482f1c1c87acd84dea20c1bf5ebff4c757009ed6bf19cfd36fb10e92c4e"
+checksum = "919d3b74a5dd0ccd15aeb8f93e7006bd9e14c295087c9896a110f490752bcf31"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -885,38 +885,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.69"
+version = "2.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+checksum = "8fec2a1820ebd077e2b90c4df007bebf344cd394098a13c563957d0afc83ea47"
 dependencies = [
- "thiserror-impl 1.0.69",
-]
-
-[[package]]
-name = "thiserror"
-version = "2.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c006c85c7651b3cf2ada4584faa36773bd07bac24acfb39f3c431b36d7e667aa"
-dependencies = [
- "thiserror-impl 2.0.3",
-]
-
-[[package]]
-name = "thiserror-impl"
-version = "1.0.69"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.3"
+version = "2.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f077553d607adc1caf65430528a576c757a71ed73944b66ebb58ef2bbd243568"
+checksum = "d65750cab40f4ff1929fb1ba509e9914eb756131cef4210da8d5d700d26f6312"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -981,9 +961,9 @@ checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
 
 [[package]]
 name = "ureq"
-version = "2.10.1"
+version = "2.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b74fc6b57825be3373f7054754755f03ac3a8f5d70015ccad699ba2029956f4a"
+checksum = "02d1a66277ed75f640d608235660df48c8e3c19f3b4edb6a263315626cc3c01d"
 dependencies = [
  "base64",
  "log",
diff --git a/Cargo.toml b/Cargo.toml
index 8741cd6..863ca18 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,14 +22,12 @@ result_large_err = "allow"
 
 [dependencies]
 indoc = "2"
-# libcnb has a much bigger impact on buildpack behaviour than any other dependencies,
-# so it's pinned to an exact version to isolate it from lockfile refreshes.
-libcnb = "=0.26.0"
-libherokubuildpack = { version = "=0.26.0", default-features = false, features = ["log"] }
+libcnb = "0.26"
+libherokubuildpack = { version = "0.26", default-features = false, features = ["log"] }
 serde = "1"
 tar = { version = "0.4", default-features = false }
 ureq = { version = "2", default-features = false, features = ["tls"] }
 zstd = { version = "0.13", default-features = false }
 
 [dev-dependencies]
-libcnb-test = "=0.26.0"
+libcnb-test = "0.26"