diff --git a/Cargo.lock b/Cargo.lock
index 68281ee..e375b60 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,12 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "anyhow"
-version = "1.0.48"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62e1f47f7dc0422027a4e370dd4548d4d66b26782e513e98dca1e689e058a80e"
-
 [[package]]
 name = "autocfg"
 version = "1.0.1"
@@ -83,9 +77,9 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.10.3"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9a9d19fa1e79b6215ff29b9d6880b706147f16e9b1dbb1e4e5947b5b02bc5e3"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
 dependencies = [
  "either",
 ]
@@ -260,11 +254,10 @@ dependencies = [
 
 [[package]]
 name = "petal-decomposition"
-version = "0.6.2"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6aa89d5c69db7f819aa59428a8516d1e32097eba9b1571d890749a4a3caa4d16"
+checksum = "57133f54c52cabf8af9f56864061770ee51f28eb63f19166960b3d1b3dab9aad"
 dependencies = [
- "anyhow",
  "itertools",
  "lair",
  "lapack",
diff --git a/Cargo.toml b/Cargo.toml
index 22c1ca7..d92dcb6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2018"
 
 [dependencies]
 numpy = "0.15"
-petal-decomposition = "0.6.2"
+petal-decomposition = "0.7.0"
 pyo3 = { version = "0.15", features = ["extension-module"] }
 
 [lib]