diff --git a/pkgs/development/tools/rust/cargo-guppy/default.nix b/pkgs/development/tools/rust/cargo-guppy/default.nix
index a951076a0717..2ea51ee354ef 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-2023-01-14";
+  version = "unstable-2023-01-19";
 
   src = fetchFromGitHub {
     owner = "guppy-rs";
     repo = "guppy";
-    rev = "d593660fbcbfe50569de5a8aad5bd1ac19885733";
-    sha256 = "sha256-5kJTkVAklaSWqGIRjVJX56e8cjxyKAx/2E54OF0mIuw=";
+    rev = "0f2e0627d430fa6488980f2808c472ae406d3603";
+    sha256 = "sha256-7ADq5yDVpYn91K/rbXWxp0+34twQ8LArD+vVd48tee4=";
   };
 
-  cargoSha256 = "sha256-H2ta/eH2VzEzHbYs0ugzFseLh0S5lxhB7/wvJEFGj0M=";
+  cargoSha256 = "sha256-oVG3x0yGTqNKMaqkOJhfhqRWNwAkUgfkGr7Vxr+nY4I=";
 
   nativeBuildInputs = [ pkg-config ];
 
diff --git a/pkgs/development/tools/rust/cargo-hakari/default.nix b/pkgs/development/tools/rust/cargo-hakari/default.nix
index 7c48a874540b..ef44a352497b 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 = "0.9.21";
+  version = "0.9.23";
 
   src = fetchFromGitHub {
     owner = "guppy-rs";
     repo = "guppy";
     rev = "cargo-hakari-${version}";
-    sha256 = "sha256-wra3p3WAcGpsvW0DMMqWKFbAsrDTDnrYWQd6HS3sEls=";
+    sha256 = "sha256-Ewki2Ux233WEW7x3jgpdeMH6xoMYJQ9X3vP8CqY+0hc=";
   };
 
-  cargoHash = "sha256-aNsG3ZmTMc5myOVs4h7uI5I5jjnjPd8AC2H7sSGmtHk=";
+  cargoHash = "sha256-IpTWyp0o6OKS8h0U8ybC2Io3Tbs592UBzAWmd8zEm2I=";
 
   cargoBuildFlags = [ "-p" "cargo-hakari" ];
   cargoTestFlags = [ "-p" "cargo-hakari" ];