diff --git a/build.gradle b/build.gradle
index 0beadef..ba7ccda 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,8 +6,11 @@ plugins {
   id("io.freefair.lombok") version "9.0.0-rc2"
 }
 
+// use braintrust.properties as the single source of truth for sdk version
+def braintrustProps = new Properties()
+file('src/main/resources/braintrust.properties').withInputStream { braintrustProps.load(it) }
+version = braintrustProps.getProperty('sdk.version')
 group = 'dev.braintrust'
-version = '0.0.1-SNAPSHOT'
 
 java {
   sourceCompatibility = JavaVersion.VERSION_17
@@ -64,6 +67,7 @@ test {
   }
   environment 'TEST_VAR1', 'fromenv1'
   environment 'TEST_VAR2', 'fromenv2'
+  environment 'GRADLE_SDK_VERSION', version
 }
 
 // Enable preview features for pattern matching, etc.
diff --git a/src/main/java/dev/braintrust/trace/BraintrustTracing.java b/src/main/java/dev/braintrust/trace/BraintrustTracing.java
index 184cfc0..5e46c69 100644
--- a/src/main/java/dev/braintrust/trace/BraintrustTracing.java
+++ b/src/main/java/dev/braintrust/trace/BraintrustTracing.java
@@ -19,6 +19,7 @@
 import java.time.Duration;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Properties;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Stream;
 import javax.annotation.Nonnull;
@@ -30,8 +31,8 @@
  */
 @Slf4j
 public final class BraintrustTracing {
-    private static final String INSTRUMENTATION_NAME = "braintrust-java";
-    private static final String INSTRUMENTATION_VERSION = "0.0.1";
+    static final String INSTRUMENTATION_NAME = "braintrust-java";
+    static final String INSTRUMENTATION_VERSION = loadVersionFromProperties();
 
     /**
      * Quick start method that sets up global OpenTelemetry with Braintrust defaults. <br>
@@ -160,5 +161,15 @@ public static Tracer getTracer(OpenTelemetry openTelemetry) {
         return openTelemetry.getTracer(INSTRUMENTATION_NAME, INSTRUMENTATION_VERSION);
     }
 
+    private static String loadVersionFromProperties() {
+        try (var is = BraintrustTracing.class.getResourceAsStream("/braintrust.properties")) {
+            var props = new Properties();
+            props.load(is);
+            return props.getProperty("sdk.version");
+        } catch (Exception e) {
+            throw new RuntimeException("unable to determine sdk version", e);
+        }
+    }
+
     private BraintrustTracing() {}
 }
diff --git a/src/main/resources/braintrust.properties b/src/main/resources/braintrust.properties
new file mode 100644
index 0000000..703f6d7
--- /dev/null
+++ b/src/main/resources/braintrust.properties
@@ -0,0 +1 @@
+sdk.version=0.0.1-SNAPSHOT
\ No newline at end of file
diff --git a/src/test/java/dev/braintrust/trace/BraintrustTracingTest.java b/src/test/java/dev/braintrust/trace/BraintrustTracingTest.java
index 4b8f76f..3f6eb75 100644
--- a/src/test/java/dev/braintrust/trace/BraintrustTracingTest.java
+++ b/src/test/java/dev/braintrust/trace/BraintrustTracingTest.java
@@ -33,6 +33,16 @@ void beforeEach() {
         getExportedBraintrustSpans().clear();
     }
 
+    @Test
+    void instrumentationInfoIsPresent() {
+        assertNotNull(BraintrustTracing.INSTRUMENTATION_NAME);
+        assertFalse(BraintrustTracing.INSTRUMENTATION_NAME.isEmpty());
+        var gradleSdkVersion = System.getenv("GRADLE_SDK_VERSION");
+        assertNotNull(gradleSdkVersion);
+        assertFalse(gradleSdkVersion.isEmpty());
+        assertEquals(gradleSdkVersion, BraintrustTracing.INSTRUMENTATION_VERSION);
+    }
+
     @Test
     void globalBTTracing() {
         var sdk = (OpenTelemetrySdk) BraintrustTracing.of(config, true);