diff --git a/pkgs/tools/misc/opentelemetry-collector/contrib.nix b/pkgs/tools/misc/opentelemetry-collector/contrib.nix
index 9be8b531a651..f5e3e8891d8b 100644
--- a/pkgs/tools/misc/opentelemetry-collector/contrib.nix
+++ b/pkgs/tools/misc/opentelemetry-collector/contrib.nix
@@ -6,17 +6,17 @@
 
 buildGoModule rec {
   pname = "opentelemetry-collector-contrib";
-  version = "0.65.0";
+  version = "0.66.0";
 
   src = fetchFromGitHub {
     owner = "open-telemetry";
     repo = "opentelemetry-collector-contrib";
     rev = "v${version}";
-    sha256 = "sha256-c5N/3HAkragpR/vgh909VYu4vpUFe1An+B20SY0C1Rs=";
+    sha256 = "sha256-FT5AoqCHNf2sdKyejALOsL/zHrrxP7vdntagR9vA00I=";
   };
   # proxy vendor to avoid hash missmatches between linux and macOS
   proxyVendor = true;
-  vendorSha256 = "sha256-aXbrm3iKmc+03BZWkRDt47LJP6JT92uH3EyEVQHByj8=";
+  vendorSha256 = "sha256-65bfTCMRJ8iL5ABGPqvkayw4zSn4KkCriEkWYa0Pe68=";
 
   subPackages = [ "cmd/otelcontribcol" ];