diff --git a/pkgs/development/tools/language-servers/pylyzer/default.nix b/pkgs/development/tools/language-servers/pylyzer/default.nix
index 2d64bf07a7ca..757eeb2b4d9e 100644
--- a/pkgs/development/tools/language-servers/pylyzer/default.nix
+++ b/pkgs/development/tools/language-servers/pylyzer/default.nix
@@ -12,16 +12,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "pylyzer";
-  version = "0.0.41";
+  version = "0.0.42";
 
   src = fetchFromGitHub {
     owner = "mtshiba";
     repo = "pylyzer";
     rev = "v${version}";
-    hash = "sha256-8pDHCu0cmBDkMc5epVTT1JSKd9dbLsRk3ZyqBM5QJwc=";
+    hash = "sha256-SZwMgxQUuGq74mca1mgZ41esW/mr+mvlOhHXFALjd8U=";
   };
 
-  cargoHash = "sha256-1eAxl9eO6SOTVT4e+kinsDPd2LFmF9+SflUJaFEJE6g=";
+  cargoHash = "sha256-iPNdkKLvLyJGwdd19tNNwuxVBctp1K+UuQjjLLzkgHg=";
 
   nativeBuildInputs = [
     git