diff --git a/Cargo.lock b/Cargo.lock
index 567b13a5..9b13504b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1916,7 +1916,19 @@ dependencies = [
  "nom",
  "pathdiff",
  "serde",
- "toml",
+ "toml 0.8.23",
+]
+
+[[package]]
+name = "config"
+version = "0.15.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b30fa8254caad766fc03cb0ccae691e14bf3bd72bfff27f72802ce729551b3d6"
+dependencies = [
+ "pathdiff",
+ "serde_core",
+ "toml 0.9.10+spec-1.1.0",
+ "winnow",
 ]
 
 [[package]]
@@ -2551,7 +2563,7 @@ dependencies = [
  "sha3",
  "thiserror 2.0.17",
  "tokio",
- "toml",
+ "toml 0.8.23",
  "tracing",
  "url",
 ]
@@ -2599,7 +2611,7 @@ dependencies = [
  "test-log",
  "thiserror 2.0.17",
  "tokio",
- "toml",
+ "toml 0.8.23",
  "tracing",
  "tracing-subscriber 0.3.22",
  "url",
@@ -3741,7 +3753,7 @@ version = "0.6.0-pre"
 source = "git+https://github.com/informalsystems/malachite.git?rev=bcac2b2dbd369a6c29b9151fcd0889b133d7221a#bcac2b2dbd369a6c29b9151fcd0889b133d7221a"
 dependencies = [
  "bytesize",
- "config",
+ "config 0.14.1",
  "humantime-serde",
  "informalsystems-malachitebft-core-types",
  "multiaddr",
@@ -4734,7 +4746,7 @@ dependencies = [
  "bytesize",
  "clap",
  "color-eyre",
- "config",
+ "config 0.15.19",
  "directories",
  "hex",
  "humantime-serde",
@@ -4751,7 +4763,7 @@ dependencies = [
  "serde_json",
  "thiserror 2.0.17",
  "tokio",
- "toml",
+ "toml 0.8.23",
  "tracing",
  "tracing-appender",
  "tracing-subscriber 0.3.22",
@@ -7408,6 +7420,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_spanned"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8bbf91e5a4d6315eee45e704372590b30e260ee83af6639d64557f51b067776"
+dependencies = [
+ "serde_core",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.7.1"
@@ -8024,11 +8045,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc1beb996b9d83529a9e75c17a1686767d148d70663143c7854d8b4a09ced362"
 dependencies = [
  "serde",
- "serde_spanned",
+ "serde_spanned 0.6.9",
  "toml_datetime 0.6.11",
  "toml_edit 0.22.27",
 ]
 
+[[package]]
+name = "toml"
+version = "0.9.10+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0825052159284a1a8b4d6c0c86cbc801f2da5afd2b225fa548c72f2e74002f48"
+dependencies = [
+ "serde_core",
+ "serde_spanned 1.0.4",
+ "toml_datetime 0.7.5+spec-1.1.0",
+ "toml_parser",
+ "winnow",
+]
+
 [[package]]
 name = "toml_datetime"
 version = "0.6.11"
@@ -8055,7 +8089,7 @@ checksum = "41fe8c660ae4257887cf66394862d21dbca4a6ddd26f04a3560410406a2f819a"
 dependencies = [
  "indexmap 2.12.1",
  "serde",
- "serde_spanned",
+ "serde_spanned 0.6.9",
  "toml_datetime 0.6.11",
  "toml_write",
  "winnow",
diff --git a/Cargo.toml b/Cargo.toml
index 73bb1244..de460855 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -73,7 +73,7 @@ bytes              = { version = "1", default-features = false }
 bytesize           = "1.3"
 clap               = "4.5"
 color-eyre         = "0.6"
-config             = { version = "0.14", features = [ "toml" ], default-features = false }
+config             = { version = "0.15", features = [ "toml" ], default-features = false }
 derive-where       = "1.2.7"
 directories        = "5.0.1"
 hex                = { version = "0.4.3", features = [ "serde" ] }