diff --git a/.changeset/uuid-v7-personless-ids.md b/.changeset/uuid-v7-personless-ids.md
new file mode 100644
index 00000000..60c654fe
--- /dev/null
+++ b/.changeset/uuid-v7-personless-ids.md
@@ -0,0 +1,7 @@
+---
+"posthog": patch
+"posthog-android": patch
+"posthog-server": patch
+---
+
+Generate UUID v7 values for SDK-created personless distinct IDs.
diff --git a/posthog-server/src/main/java/com/posthog/server/PostHogRequestContext.kt b/posthog-server/src/main/java/com/posthog/server/PostHogRequestContext.kt
index edcc5fd0..1d853d5d 100644
--- a/posthog-server/src/main/java/com/posthog/server/PostHogRequestContext.kt
+++ b/posthog-server/src/main/java/com/posthog/server/PostHogRequestContext.kt
@@ -1,6 +1,6 @@
 package com.posthog.server
 
-import java.util.UUID
+import com.posthog.vendor.uuid.TimeBasedEpochGenerator
 
 /**
  * Request-scoped PostHog analytics context.
@@ -181,7 +181,7 @@ public class PostHogRequestContext private constructor() {
             val resolvedDistinctId = resolveDistinctId(distinctId)
             val isPersonless = resolvedDistinctId.isNullOrBlank()
             val mergedProperties = properties?.toMutableMap() ?: mutableMapOf()
-            val captureDistinctId = resolvedDistinctId ?: UUID.randomUUID().toString()
+            val captureDistinctId = resolvedDistinctId ?: TimeBasedEpochGenerator.generate().toString()
 
             if (isPersonless) {
                 mergedProperties.putIfAbsent(PROCESS_PERSON_PROFILE_PROPERTY, false)
diff --git a/posthog-server/src/test/java/com/posthog/server/PostHogRequestContextTest.kt b/posthog-server/src/test/java/com/posthog/server/PostHogRequestContextTest.kt
index 1274e84f..2c5a252d 100644
--- a/posthog-server/src/test/java/com/posthog/server/PostHogRequestContextTest.kt
+++ b/posthog-server/src/test/java/com/posthog/server/PostHogRequestContextTest.kt
@@ -155,7 +155,8 @@ internal class PostHogRequestContextTest {
             val distinctId = batch.firstEvent?.get("distinct_id")?.asString
             assertNotNull(distinctId)
             assertNotEquals("header-user", distinctId)
-            assertTrue(runCatching { java.util.UUID.fromString(distinctId) }.isSuccess)
+            val parsedDistinctId = java.util.UUID.fromString(distinctId)
+            assertEquals(7, parsedDistinctId.version())
             val properties = batch.firstEventProperties()
             assertEquals(false, properties["\$process_person_profile"])
             assertFalse(properties.containsKey("\$session_id"))
@@ -176,7 +177,8 @@ internal class PostHogRequestContextTest {
             val batch = request.parseBatch()
             val distinctId = batch.firstEvent?.get("distinct_id")?.asString
             assertNotNull(distinctId)
-            assertTrue(runCatching { java.util.UUID.fromString(distinctId) }.isSuccess)
+            val parsedDistinctId = java.util.UUID.fromString(distinctId)
+            assertEquals(7, parsedDistinctId.version())
             val properties = batch.firstEventProperties()
             assertEquals(false, properties["\$process_person_profile"])
             assertEquals("present", properties["request"])
diff --git a/posthog/src/main/java/com/posthog/PostHogEvent.kt b/posthog/src/main/java/com/posthog/PostHogEvent.kt
index 27f8d0b8..d09c02f4 100644
--- a/posthog/src/main/java/com/posthog/PostHogEvent.kt
+++ b/posthog/src/main/java/com/posthog/PostHogEvent.kt
@@ -16,7 +16,7 @@ import java.util.UUID
  * @property distinctId The distinct Id
  * @property properties All the event properties
  * @property timestamp The timestamp is automatically generated
- * @property uuid the UUID v4 is automatically generated and used for deduplication
+ * @property uuid the UUID v7 is automatically generated and used for deduplication
  */
 public data class PostHogEvent(
     val event: String,
diff --git a/posthog/src/main/java/com/posthog/PostHogStateless.kt b/posthog/src/main/java/com/posthog/PostHogStateless.kt
index 7b487580..ff043f81 100644
--- a/posthog/src/main/java/com/posthog/PostHogStateless.kt
+++ b/posthog/src/main/java/com/posthog/PostHogStateless.kt
@@ -13,8 +13,8 @@ import com.posthog.internal.PostHogPrintLogger
 import com.posthog.internal.PostHogQueueInterface
 import com.posthog.internal.PostHogThreadFactory
 import com.posthog.internal.errortracking.ThrowableCoercer
+import com.posthog.vendor.uuid.TimeBasedEpochGenerator
 import java.util.Date
-import java.util.UUID
 import java.util.concurrent.ExecutorService
 import java.util.concurrent.Executors
 
@@ -599,7 +599,7 @@ public open class PostHogStateless protected constructor(
             var id = distinctId
             if (id.isNullOrBlank()) {
                 exceptionProperties.set("\$process_person_profile", false)
-                id = UUID.randomUUID().toString()
+                id = TimeBasedEpochGenerator.generate().toString()
             }
 
             captureStateless(PostHogEventName.EXCEPTION.event, distinctId = id, properties = exceptionProperties)
diff --git a/posthog/src/test/java/com/posthog/PostHogStatelessTest.kt b/posthog/src/test/java/com/posthog/PostHogStatelessTest.kt
index ebcc9ac3..2e18118d 100644
--- a/posthog/src/test/java/com/posthog/PostHogStatelessTest.kt
+++ b/posthog/src/test/java/com/posthog/PostHogStatelessTest.kt
@@ -13,6 +13,7 @@ import org.mockito.kotlin.mock
 import org.mockito.kotlin.verify
 import java.io.File
 import java.util.Date
+import java.util.UUID
 import java.util.concurrent.Executors
 import kotlin.test.AfterTest
 import kotlin.test.BeforeTest
@@ -1349,7 +1350,7 @@ internal class PostHogStatelessTest {
     }
 
     @Test
-    fun `captureExceptionStateless without distinctId generates random UUID`() {
+    fun `captureExceptionStateless without distinctId generates UUID v7`() {
         val mockQueue = MockQueue()
         sut = createStatelessInstance()
         config = createConfig()
@@ -1365,6 +1366,7 @@ internal class PostHogStatelessTest {
         val event = mockQueue.events.first()
         assertTrue(event.distinctId.isNotBlank())
         assertTrue(event.distinctId.matches(("[0-9a-fA-F-]{36}".toRegex())))
+        assertEquals(7, UUID.fromString(event.distinctId).version())
         assertEquals(false, event.properties!!["\$process_person_profile"])
     }