diff --git a/Cargo.lock b/Cargo.lock
index a3cdac9..274a681 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -750,11 +750,10 @@ dependencies = [
 
 [[package]]
 name = "num-bigint"
-version = "0.4.4"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "608e7659b5c3d7cba262d894801b9ec9d00de989e8a82bd4bef91d08da45cdc0"
+checksum = "a5e44f723f1133c9deac646763579fdb3ac745e418f2a7af9cd0c431da1f20b9"
 dependencies = [
- "autocfg",
  "num-integer",
  "num-traits",
 ]
@@ -788,11 +787,10 @@ dependencies = [
 
 [[package]]
 name = "num-integer"
-version = "0.1.45"
+version = "0.1.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
+checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
 dependencies = [
- "autocfg",
  "num-traits",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 31dfca3..905c49a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ indicatif = "^0.17.8"
 itertools = "^0.12.1"
 log = "^0.4.21"
 ndarray = "^0.15.6"
-num-bigint = "^0.4.4"
+num-bigint = "^0.4.6"
 num-bigint-dig = "^0.8.4"
 num-traits = "^0.2.18"
 proptest = "^1.4.0"