diff --git a/pkgs/development/tools/rust/cargo-public-api/default.nix b/pkgs/development/tools/rust/cargo-public-api/default.nix
index 11e5ba601c3e..c3a42b7a059a 100644
--- a/pkgs/development/tools/rust/cargo-public-api/default.nix
+++ b/pkgs/development/tools/rust/cargo-public-api/default.nix
@@ -10,14 +10,14 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-public-api";
-  version = "0.34.1";
+  version = "0.34.2";
 
   src = fetchCrate {
     inherit pname version;
-    hash = "sha256-fNQ4FfOaS38KGhI/hCRLdtYmb0FXkoXyJsbcT+1K6Ow=";
+    hash = "sha256-cqFpvhlhgmytv8MzhwKafZYTWwLUXl9o2FQPCY8EN6Y=";
   };
 
-  cargoHash = "sha256-DwhaVn6nuy2KbXaRcIUQN6iS85ONwAbCWX+vxfa0F7U=";
+  cargoHash = "sha256-HaZqvsM8QsHo5sdMKHrKdTdWgHIXpBiU3eTojqZXIDA=";
 
   nativeBuildInputs = [ pkg-config ];