diff --git a/pkgs/development/python-modules/opentelemetry-api/default.nix b/pkgs/development/python-modules/opentelemetry-api/default.nix
index 14b0f79475a6..ccbc2c243be5 100644
--- a/pkgs/development/python-modules/opentelemetry-api/default.nix
+++ b/pkgs/development/python-modules/opentelemetry-api/default.nix
@@ -14,7 +14,7 @@
 let
   self = buildPythonPackage rec {
     pname = "opentelemetry-api";
-    version = "1.27.0";
+    version = "1.29.0";
     pyproject = true;
 
     disabled = pythonOlder "3.8";
@@ -24,7 +24,7 @@ let
       owner = "open-telemetry";
       repo = "opentelemetry-python";
       tag = "v${version}";
-      hash = "sha256-5m6VGdt90Aw6ODUWG7A7b0kV8FsDtg+oPkNUKRbzDX4=";
+      hash = "sha256-3lqAJq8p+IQG9LWcyrsbwF/CrIMkx93g65bOAnknVTM=";
     };
 
     sourceRoot = "${src.name}/opentelemetry-api";
@@ -63,7 +63,7 @@ let
     meta = with lib; {
       homepage = "https://github.com/open-telemetry/opentelemetry-python/tree/main/opentelemetry-api";
       description = "OpenTelemetry Python API";
-      changelog = "https://github.com/open-telemetry/opentelemetry-python/releases/tag/v${version}";
+      changelog = "https://github.com/open-telemetry/opentelemetry-python/releases/tag/${src.tag}";
       license = licenses.asl20;
       maintainers = teams.deshaw.members ++ [ maintainers.natsukium ];
     };