diff --git a/Cargo.lock b/Cargo.lock
index 72c83f1a..32f0e09e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -318,9 +318,9 @@ checksum = "ae743338b92ff9146ce83992f766a31066a91a8c84a45e0e9f21e7cf6de6d346"
 
 [[package]]
 name = "libcnb-common"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3abf2056162dd76ade12884e002ba88f068a26594b2eb9579ef8af40cfbca1b"
+checksum = "a356bd77381b51f1ca42450694f4c7d1c7533a57c5f6a49553a96af96963b6e3"
 dependencies = [
  "serde",
  "thiserror",
@@ -329,9 +329,9 @@ dependencies = [
 
 [[package]]
 name = "libcnb-data"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "afc6b01af8b624193ca6b247667ef82f36dd85d62b90f5a7e8d047b46642ce7c"
+checksum = "dfcd102bfb1bf98ee4c18da0b29be6f23a19681937924bf758e9ea8499668b18"
 dependencies = [
  "fancy-regex",
  "libcnb-proc-macros",
@@ -343,9 +343,9 @@ dependencies = [
 
 [[package]]
 name = "libcnb-package"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2678c2e0882c622a01d415e64625258849e533aeba8531110a5b3db9593d97d5"
+checksum = "3b8d9b42112212a875c07fb3acf19504cf330edaa63cddd1823e9d03a5e2b934"
 dependencies = [
  "cargo_metadata",
  "ignore",
@@ -360,9 +360,9 @@ dependencies = [
 
 [[package]]
 name = "libcnb-proc-macros"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0308e3b554dd8b0b969ab42d19b50b02bdb712dc72652849fa1e33bd1d16709"
+checksum = "f83bba477c3a6cd69b29f77a6591411bac15ab7b341ad3d3cd38943bfbbd412f"
 dependencies = [
  "cargo_metadata",
  "fancy-regex",
diff --git a/Cargo.toml b/Cargo.toml
index d6849567..de315354 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,9 +36,9 @@ clap = { version = "4", default-features = false, features = [
 ignore = "0.4"
 indexmap = "2"
 lazy_static = "1"
-libcnb-common = "=0.19.0"
-libcnb-data = "=0.19.0"
-libcnb-package = "=0.19.0"
+libcnb-common = "=0.21.0"
+libcnb-data = "=0.21.0"
+libcnb-package = "=0.21.0"
 markdown = "1.0.0-alpha.16"
 fastrand = "2"
 regex = "1"