diff --git a/packages/telemetry/CHANGELOG.md b/packages/telemetry/CHANGELOG.md
index b71b6c86e..52617bb21 100644
--- a/packages/telemetry/CHANGELOG.md
+++ b/packages/telemetry/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- The package root and `./testing` exports have a `source` condition, like `./render`, so workspace tests that resolve with `source` (Durable's and pi-env's, as the Environments workflow runs them) work without a build.
+
 ## [1.4.0] - 2026-10-21
 
 ### Breaking Changes
diff --git a/packages/telemetry/package.json b/packages/telemetry/package.json
index 92b1f04e4..c571023b6 100644
--- a/packages/telemetry/package.json
+++ b/packages/telemetry/package.json
@@ -7,6 +7,7 @@
 	"types": "./dist/index.d.ts",
 	"exports": {
 		".": {
+			"source": "./src/index.ts",
 			"types": "./dist/index.d.ts",
 			"import": "./dist/index.js"
 		},
@@ -16,6 +17,7 @@
 			"import": "./dist/render.js"
 		},
 		"./testing": {
+			"source": "./src/testing/index.ts",
 			"types": "./dist/testing/index.d.ts",
 			"import": "./dist/testing/index.js"
 		}