diff --git a/pkgs/development/tools/rust/cargo-guppy/default.nix b/pkgs/development/tools/rust/cargo-guppy/default.nix
index 2ea51ee354ef..0a75839a89ad 100644
--- a/pkgs/development/tools/rust/cargo-guppy/default.nix
+++ b/pkgs/development/tools/rust/cargo-guppy/default.nix
@@ -9,16 +9,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-guppy";
-  version = "unstable-2023-01-19";
+  version = "unstable-2023-04-15";
 
   src = fetchFromGitHub {
     owner = "guppy-rs";
     repo = "guppy";
-    rev = "0f2e0627d430fa6488980f2808c472ae406d3603";
-    sha256 = "sha256-7ADq5yDVpYn91K/rbXWxp0+34twQ8LArD+vVd48tee4=";
+    rev = "e93f51ca56dc9cc310004931a906b6b486b93058";
+    sha256 = "sha256-kg1iWku+zAXG9cCYCD4rqKzKNtDt0hMCnE5QyhJpLq8=";
   };
 
-  cargoSha256 = "sha256-oVG3x0yGTqNKMaqkOJhfhqRWNwAkUgfkGr7Vxr+nY4I=";
+  cargoSha256 = "sha256-XKAre9L2mk31CgXbP53zR8mr92Jh9qVSx+sMkhqq/M4=";
 
   nativeBuildInputs = [ pkg-config ];
 
diff --git a/pkgs/development/tools/rust/cargo-hakari/default.nix b/pkgs/development/tools/rust/cargo-hakari/default.nix
index ef44a352497b..da263213ed61 100644
--- a/pkgs/development/tools/rust/cargo-hakari/default.nix
+++ b/pkgs/development/tools/rust/cargo-hakari/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-hakari";
-  version = "0.9.23";
+  version = "0.9.24";
 
   src = fetchFromGitHub {
     owner = "guppy-rs";
     repo = "guppy";
     rev = "cargo-hakari-${version}";
-    sha256 = "sha256-Ewki2Ux233WEW7x3jgpdeMH6xoMYJQ9X3vP8CqY+0hc=";
+    sha256 = "sha256-kg1iWku+zAXG9cCYCD4rqKzKNtDt0hMCnE5QyhJpLq8=";
   };
 
-  cargoHash = "sha256-IpTWyp0o6OKS8h0U8ybC2Io3Tbs592UBzAWmd8zEm2I=";
+  cargoHash = "sha256-hrWsQXjWzhSVVj+bUviGEn+E7Lytzgf1r8VmQxJQubE=";
 
   cargoBuildFlags = [ "-p" "cargo-hakari" ];
   cargoTestFlags = [ "-p" "cargo-hakari" ];