diff --git a/pkgs/by-name/ca/cargo-c/package.nix b/pkgs/by-name/ca/cargo-c/package.nix
index 287040197f51..557b21f65d0e 100644
--- a/pkgs/by-name/ca/cargo-c/package.nix
+++ b/pkgs/by-name/ca/cargo-c/package.nix
@@ -12,19 +12,19 @@
 
 let
   # this version may need to be updated along with package version
-  cargoVersion = "0.89.0";
+  cargoVersion = "0.90.0";
 in
 rustPlatform.buildRustPackage rec {
   pname = "cargo-c";
-  version = "0.10.14";
+  version = "0.10.15";
 
   src = fetchCrate {
     inherit pname;
     version = "${version}+cargo-${cargoVersion}";
-    hash = "sha256-t6cbufPdpyaFzwEFWt19Nid2S5FXCJCS+SHJ0aJICX0=";
+    hash = "sha256-szqDSHGihE+Oj8L3EBlC5XH4kSBYOptd0Xtk3MhXooQ=";
   };
 
-  cargoHash = "sha256-nW+akmbpIGZnhJLBdwDAGI4m5eSwdT2Z/iY2RV4zMQY=";
+  cargoHash = "sha256-36ygs/EhCktG1jmBnP9c7EgnfcWnGrqqcW3qAw+Yfy4=";
 
   nativeBuildInputs = [
     pkg-config
diff --git a/pkgs/development/libraries/gstreamer/rs/default.nix b/pkgs/development/libraries/gstreamer/rs/default.nix
index d1f33e7951d8..983bcc1b197d 100644
--- a/pkgs/development/libraries/gstreamer/rs/default.nix
+++ b/pkgs/development/libraries/gstreamer/rs/default.nix
@@ -127,17 +127,6 @@ let
       ) (lib.attrNames validPlugins);
 
   invalidPlugins = lib.subtractLists (lib.attrNames validPlugins) selectedPlugins;
-
-  # TODO: figure out what must be done about this upstream - related lu-zero/cargo-c#323 lu-zero/cargo-c#138
-  cargo-c' = (cargo-c.__spliced.buildHost or cargo-c).overrideAttrs (oldAttrs: {
-    patches = (oldAttrs.patches or [ ]) ++ [
-      (fetchpatch {
-        name = "cargo-c-test-rlib-fix.patch";
-        url = "https://github.com/lu-zero/cargo-c/commit/dd02009d965cbd664785149a90d702251de747b3.diff";
-        hash = "sha256-Az0WFF9fc5+igcV8C/QFhq5GE4PAyGEO84D9ECxx3v0=";
-      })
-    ];
-  });
 in
 assert lib.assertMsg (invalidPlugins == [ ])
   "Invalid gst-plugins-rs plugin${
@@ -205,7 +194,7 @@ stdenv.mkDerivation (finalAttrs: {
     pkg-config
     rustc
     cargo
-    cargo-c'
+    cargo-c
     nasm
   ]
   ++ lib.optionals stdenv.hostPlatform.isDarwin [