diff --git a/pkgs/development/tools/language-servers/pylyzer/default.nix b/pkgs/development/tools/language-servers/pylyzer/default.nix
index c2ba3b7974dc..f6cd1d9a1f2b 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 = "0.0.48";
+  version = "0.0.49";
 
   src = fetchFromGitHub {
     owner = "mtshiba";
     repo = "pylyzer";
     rev = "v${version}";
-    hash = "sha256-NQvMOBjRIf7sQBff2iZe8MbnZiZZN0DTE+HBvxsvKpM=";
+    hash = "sha256-1BExqeIL6jaonJVB3aRYDDHRw7xdxHoouH5BlooJDW8=";
   };
 
-  cargoHash = "sha256-eDa3UKPgATJQLIkHpG/G50V20TW/5vwjRTfshHb3zTQ=";
+  cargoHash = "sha256-HBRczmEqqH+lMgnHeP/WpqHD05tkovJmR12hXwCrw8k=";
 
   nativeBuildInputs = [
     git