diff --git a/pkgs/by-name/ca/cargo-geiger/allow-warnings.patch b/pkgs/by-name/ca/cargo-geiger/allow-warnings.patch
deleted file mode 100644
index 97a9090e904d..000000000000
--- a/pkgs/by-name/ca/cargo-geiger/allow-warnings.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/cargo-geiger/src/lib.rs b/cargo-geiger/src/lib.rs
-index cc08146..d220ad9 100644
---- a/cargo-geiger/src/lib.rs
-+++ b/cargo-geiger/src/lib.rs
-@@ -5,7 +5,6 @@
- #![deny(clippy::cargo)]
- #![deny(clippy::doc_markdown)]
- #![forbid(unsafe_code)]
--#![deny(warnings)]
- 
- /// Argument parsing
- pub mod args;
diff --git a/pkgs/by-name/ca/cargo-geiger/fix-build-with-rust-1.80.patch b/pkgs/by-name/ca/cargo-geiger/fix-build-with-rust-1.80.patch
deleted file mode 100644
index 37d9c2ebad38..000000000000
--- a/pkgs/by-name/ca/cargo-geiger/fix-build-with-rust-1.80.patch
+++ /dev/null
@@ -1,48 +0,0 @@
-diff --git a/Cargo.lock b/Cargo.lock
-index 48c5606f..4c796675 100644
---- a/Cargo.lock
-+++ b/Cargo.lock
-@@ -2238,6 +2238,12 @@ dependencies = [
-  "winapi",
- ]
- 
-+[[package]]
-+name = "num-conv"
-+version = "0.1.0"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
-+
- [[package]]
- name = "num-traits"
- version = "0.2.17"
-@@ -3148,13 +3154,14 @@ dependencies = [
- 
- [[package]]
- name = "time"
--version = "0.3.30"
-+version = "0.3.36"
- source = "registry+https://github.com/rust-lang/crates.io-index"
--checksum = "c4a34ab300f2dee6e562c10a046fc05e358b29f9bf92277f30c3c8d82275f6f5"
-+checksum = "5dfd88e563464686c916c7e46e623e520ddc6d79fa6641390f2e3fa86e83e885"
- dependencies = [
-  "deranged",
-  "itoa",
-  "libc",
-+ "num-conv",
-  "num_threads",
-  "powerfmt",
-  "serde",
-@@ -3170,10 +3177,11 @@ checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
- 
- [[package]]
- name = "time-macros"
--version = "0.2.15"
-+version = "0.2.18"
- source = "registry+https://github.com/rust-lang/crates.io-index"
--checksum = "4ad70d68dba9e1f8aceda7aa6711965dfec1cac869f311a51bd08b3a2ccbce20"
-+checksum = "3f252a68540fde3a3877aeea552b832b40ab9a69e318efd078774a01ddee1ccf"
- dependencies = [
-+ "num-conv",
-  "time-core",
- ]
- 
diff --git a/pkgs/by-name/ca/cargo-geiger/package.nix b/pkgs/by-name/ca/cargo-geiger/package.nix
index edfa3438a50d..e0cff456712a 100644
--- a/pkgs/by-name/ca/cargo-geiger/package.nix
+++ b/pkgs/by-name/ca/cargo-geiger/package.nix
@@ -1,92 +1,79 @@
 {
-  stdenv,
   lib,
   fetchFromGitHub,
   rustPlatform,
   pkg-config,
   openssl,
-  # darwin dependencies
-  darwin,
-  libiconv,
-  curl,
+  # testing
+  testers,
+  cargo-geiger,
 }:
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-geiger";
-  version = "0.11.7";
+  version = "0.12.0";
 
   src = fetchFromGitHub {
-    owner = "rust-secure-code";
+    owner = "geiger-rs";
     repo = "cargo-geiger";
-    rev = "cargo-geiger@v${version}";
-    hash = "sha256-/5yuayqneZV6aVQ6YFgqNS2XY3W6yETRQ0kE5ovc7p8=";
+    tag = "cargo-geiger-${version}";
+    hash = "sha256-OW/LOZUCGOIl7jeWnzt4SXTo3gplJx/wbC21S1TdZx0=";
   };
 
-  cargoPatches = [
-    # https://github.com/geiger-rs/cargo-geiger/pull/528
-    ./fix-build-with-rust-1.80.patch
-  ];
-
   useFetchCargoVendor = true;
-  cargoHash = "sha256-n6RfulzrK9QebC1tgVVd/YnBc21Jf0OSfHApRO1c0ew=";
+  cargoHash = "sha256-aDgpEfX0QRkQD6c4ant6uSN18WLHVnZISRr7lyu9IzA=";
 
-  patches = [
-    ./allow-warnings.patch
+  nativeBuildInputs = [
+    pkg-config
   ];
 
-  buildInputs =
-    [ openssl ]
-    ++ lib.optionals stdenv.hostPlatform.isDarwin (
-      with darwin.apple_sdk.frameworks;
-      [
-        CoreFoundation
-        Security
-        libiconv
-        curl
-      ]
-    );
-  nativeBuildInputs =
-    [ pkg-config ]
-    # curl-sys wants to run curl-config on darwin
-    ++ lib.optionals stdenv.hostPlatform.isDarwin [ curl.dev ];
+  buildInputs = [
+    openssl
+  ];
+
+  preCheck = ''
+    export HOME=$(mktemp -d)
+  '';
 
-  # skip tests with networking or other failures
   checkFlags = [
-    "--skip serialize_test1_quick_report"
+    # panics
     "--skip serialize_test2_quick_report"
     "--skip serialize_test3_quick_report"
-    "--skip serialize_test4_quick_report"
     "--skip serialize_test6_quick_report"
-    "--skip serialize_test7_quick_report"
-    "--skip serialize_test1_report"
     "--skip serialize_test2_report"
     "--skip serialize_test3_report"
-    "--skip serialize_test4_report"
     "--skip serialize_test6_report"
-    "--skip serialize_test7_report"
-    # multiple test cases that time-out or cause memory leaks
-    "--skip test_package"
+    # requires networking
+    "--skip test_package::case_2"
+    "--skip test_package::case_3"
+    "--skip test_package::case_6"
+    "--skip test_package::case_9"
+    # panics, snapshot assertions fails
     "--skip test_package_update_readme::case_2"
     "--skip test_package_update_readme::case_3"
     "--skip test_package_update_readme::case_5"
   ];
 
-  meta = with lib; {
-    homepage = "https://github.com/rust-secure-code/cargo-geiger";
-    changelog = "https://github.com/rust-secure-code/cargo-geiger/blob/cargo-geiger-${version}/CHANGELOG.md";
+  passthru.tests.version = testers.testVersion {
+    package = cargo-geiger;
+  };
+
+  meta = {
     description = "Detects usage of unsafe Rust in a Rust crate and its dependencies";
-    mainProgram = "cargo-geiger";
     longDescription = ''
       A cargo plugin that detects the usage of unsafe Rust in a Rust crate and
       its dependencies. It provides information to aid auditing and guide
       dependency selection but it can not help you decide when and why unsafe
       code is appropriate.
     '';
-    license = with licenses; [
+    homepage = "https://github.com/geiger-rs/cargo-geiger";
+    changelog = "https://github.com/geiger-rs/cargo-geiger/blob/cargo-geiger-${version}/CHANGELOG.md";
+    mainProgram = "cargo-geiger";
+    license = with lib.licenses; [
       asl20 # or
       mit
     ];
-    maintainers = with maintainers; [
+    maintainers = with lib.maintainers; [
       evanjs
       gepbird
       jk