diff --git a/Cargo.lock b/Cargo.lock
index 372c638..9c04780 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "autocfg"
-version = "1.3.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
+checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
 [[package]]
 name = "extra-math"
diff --git a/Cargo.nix b/Cargo.nix
index 16262db..d6e789c 100644
--- a/Cargo.nix
+++ b/Cargo.nix
@@ -22,7 +22,7 @@ args @ {
   workspaceSrc,
   ignoreLockHash,
 }: let
-  nixifiedLockHash = "c2eb36fad35932f80d6eec4c083c16822de79c56cace0639af21e9933c2ca6f9";
+  nixifiedLockHash = "83c2b5ec2618a8915347715afb2b7c57ba7b0a655803ff16a11899ca2a7368c7";
   workspaceSrc =
     if args.workspaceSrc == null
     then ./.
@@ -61,13 +61,13 @@ in
     workspace = {
       extra-math = rustPackages.unknown.extra-math."0.1.1";
     };
-    "registry+https://github.com/rust-lang/crates.io-index".autocfg."1.3.0" = overridableMkRustCrate (profileName: rec {
+    "registry+https://github.com/rust-lang/crates.io-index".autocfg."1.4.0" = overridableMkRustCrate (profileName: rec {
       name = "autocfg";
-      version = "1.3.0";
+      version = "1.4.0";
       registry = "registry+https://github.com/rust-lang/crates.io-index";
       src = fetchCratesIo {
         inherit name version;
-        sha256 = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0";
+        sha256 = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26";
       };
     });
 
@@ -115,7 +115,7 @@ in
         libm = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libm."0.2.8" {inherit profileName;}).out;
       };
       buildDependencies = {
-        autocfg = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".autocfg."1.3.0" {profileName = "__noProfile";}).out;
+        autocfg = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".autocfg."1.4.0" {profileName = "__noProfile";}).out;
       };
     });
   }