diff --git a/Cargo.lock b/Cargo.lock
index c7b25bab..b19b0389 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -242,7 +242,7 @@ dependencies = [
  "sha2",
  "tempfile",
  "thiserror",
- "toml",
+ "toml 0.8.0",
  "walkdir",
  "which_problem",
 ]
@@ -497,7 +497,7 @@ dependencies = [
  "tar",
  "tempfile",
  "thiserror",
- "toml",
+ "toml 0.8.0",
  "ureq",
  "url",
 ]
@@ -583,7 +583,7 @@ dependencies = [
  "libcnb-proc-macros",
  "serde",
  "thiserror",
- "toml",
+ "toml 0.7.8",
 ]
 
 [[package]]
@@ -596,7 +596,7 @@ dependencies = [
  "libcnb-proc-macros",
  "serde",
  "thiserror",
- "toml",
+ "toml 0.7.8",
  "uriparse",
 ]
 
@@ -609,7 +609,7 @@ dependencies = [
  "cargo_metadata",
  "libcnb-data",
  "petgraph",
- "toml",
+ "toml 0.7.8",
  "which",
 ]
 
@@ -653,7 +653,7 @@ dependencies = [
  "tar",
  "termcolor",
  "thiserror",
- "toml",
+ "toml 0.7.8",
  "ureq",
 ]
 
@@ -1124,14 +1124,26 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "toml"
-version = "0.7.6"
+version = "0.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c17e963a819c331dcacd7ab957d80bc2b9a9c1e71c804826d2f283dd65306542"
+checksum = "dd79e69d3b627db300ff956027cc6c3798cef26d22526befdfcd12feeb6d2257"
 dependencies = [
  "serde",
  "serde_spanned",
  "toml_datetime",
- "toml_edit",
+ "toml_edit 0.19.15",
+]
+
+[[package]]
+name = "toml"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c226a7bba6d859b63c92c4b4fe69c5b6b72d0cb897dbc8e6012298e6154cb56e"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit 0.20.0",
 ]
 
 [[package]]
@@ -1145,9 +1157,22 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.19.14"
+version = "0.19.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "winnow",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8123f27e969974a3dfba720fdb560be359f57b44302d280ba72e76a74480e8a"
+checksum = "8ff63e60a958cefbb518ae1fd6566af80d9d4be430a33f3723dfc47d1d411d95"
 dependencies = [
  "indexmap",
  "serde",
diff --git a/buildpacks/ruby/Cargo.toml b/buildpacks/ruby/Cargo.toml
index 32c24100..85db9c2d 100644
--- a/buildpacks/ruby/Cargo.toml
+++ b/buildpacks/ruby/Cargo.toml
@@ -28,4 +28,4 @@ clap = { version = "4", features = ["derive"] }
 
 [dev-dependencies]
 libcnb-test = "=0.14.0"
-toml = "0.7"
+toml = "0.8"
diff --git a/commons/Cargo.toml b/commons/Cargo.toml
index 2a73c338..b2768977 100644
--- a/commons/Cargo.toml
+++ b/commons/Cargo.toml
@@ -26,4 +26,4 @@ which_problem = "0.1"
 
 [dev-dependencies]
 filetime = "0.2"
-toml = "0.7"
+toml = "0.8"