diff --git a/junit-jupiter-api/src/testFixtures/java/org/junit/jupiter/api/EqualsAndHashCodeAssertions.java b/junit-jupiter-api/src/testFixtures/java/org/junit/jupiter/api/EqualsAndHashCodeAssertions.java
index ed33d21ebf3d..7ca4175b0f58 100644
--- a/junit-jupiter-api/src/testFixtures/java/org/junit/jupiter/api/EqualsAndHashCodeAssertions.java
+++ b/junit-jupiter-api/src/testFixtures/java/org/junit/jupiter/api/EqualsAndHashCodeAssertions.java
@@ -16,7 +16,7 @@
  * Assertions for unit tests that wish to test
  * {@link Object#equals(Object)} and {@link Object#hashCode()}.
  *
- * @since 1.3
+ * @since 5.3
  */
 public class EqualsAndHashCodeAssertions {
 
diff --git a/junit-jupiter-engine/src/main/java/org/junit/jupiter/engine/extension/DefaultTestReporter.java b/junit-jupiter-engine/src/main/java/org/junit/jupiter/engine/extension/DefaultTestReporter.java
index 966bb7ef6744..eb1564cda500 100644
--- a/junit-jupiter-engine/src/main/java/org/junit/jupiter/engine/extension/DefaultTestReporter.java
+++ b/junit-jupiter-engine/src/main/java/org/junit/jupiter/engine/extension/DefaultTestReporter.java
@@ -20,7 +20,7 @@
 import org.junit.platform.commons.util.Preconditions;
 
 /**
- * @since 1.12
+ * @since 5.12
  */
 class DefaultTestReporter implements TestReporter {
 
diff --git a/junit-platform-commons/src/main/java/org/junit/platform/commons/util/ServiceLoaderUtils.java b/junit-platform-commons/src/main/java/org/junit/platform/commons/util/ServiceLoaderUtils.java
index ce006d770099..0a060bee0999 100644
--- a/junit-platform-commons/src/main/java/org/junit/platform/commons/util/ServiceLoaderUtils.java
+++ b/junit-platform-commons/src/main/java/org/junit/platform/commons/util/ServiceLoaderUtils.java
@@ -26,9 +26,9 @@
  * itself. <strong>Any usage by external parties is not supported.</strong>
  * Use at your own risk!
  *
- * @since 5.11
+ * @since 1.11
  */
-@API(status = API.Status.INTERNAL, since = "5.11")
+@API(status = API.Status.INTERNAL, since = "1.11")
 public class ServiceLoaderUtils {
 
 	private ServiceLoaderUtils() {
diff --git a/junit-platform-commons/src/main/java9/org/junit/platform/commons/util/ServiceLoaderUtils.java b/junit-platform-commons/src/main/java9/org/junit/platform/commons/util/ServiceLoaderUtils.java
index 878c62a2c7e7..db209116b615 100644
--- a/junit-platform-commons/src/main/java9/org/junit/platform/commons/util/ServiceLoaderUtils.java
+++ b/junit-platform-commons/src/main/java9/org/junit/platform/commons/util/ServiceLoaderUtils.java
@@ -26,9 +26,9 @@
  * itself. <strong>Any usage by external parties is not supported.</strong>
  * Use at your own risk!
  *
- * @since 5.11
+ * @since 1.11
  */
-@API(status = Status.INTERNAL, since = "5.11")
+@API(status = Status.INTERNAL, since = "1.11")
 public class ServiceLoaderUtils {
 
 	private ServiceLoaderUtils() {
diff --git a/junit-platform-engine/src/main/java/org/junit/platform/engine/TestDescriptor.java b/junit-platform-engine/src/main/java/org/junit/platform/engine/TestDescriptor.java
index 6dfd169ab9f4..ba423fd07452 100644
--- a/junit-platform-engine/src/main/java/org/junit/platform/engine/TestDescriptor.java
+++ b/junit-platform-engine/src/main/java/org/junit/platform/engine/TestDescriptor.java
@@ -188,7 +188,7 @@ default Set<? extends TestDescriptor> getDescendants() {
 	 * @param orderer a unary operator to order the children of this test
 	 * descriptor.
 	 */
-	@API(since = "5.12", status = EXPERIMENTAL)
+	@API(since = "1.12", status = EXPERIMENTAL)
 	default void orderChildren(UnaryOperator<List<TestDescriptor>> orderer) {
 		Preconditions.notNull(orderer, "orderer must not be null");
 		Set<? extends TestDescriptor> originalChildren = getChildren();
diff --git a/junit-platform-engine/src/main/java/org/junit/platform/engine/reporting/ReportEntry.java b/junit-platform-engine/src/main/java/org/junit/platform/engine/reporting/ReportEntry.java
index bdea0b7a9568..0af74b590121 100644
--- a/junit-platform-engine/src/main/java/org/junit/platform/engine/reporting/ReportEntry.java
+++ b/junit-platform-engine/src/main/java/org/junit/platform/engine/reporting/ReportEntry.java
@@ -39,7 +39,7 @@ public final class ReportEntry {
 	/**
 	 * @deprecated Use {@link #from(String, String)} or {@link #from(Map)}
 	 */
-	@API(status = DEPRECATED, since = "5.8")
+	@API(status = DEPRECATED, since = "1.8")
 	@Deprecated
 	public ReportEntry() {
 	}
diff --git a/junit-platform-launcher/src/main/java/org/junit/platform/launcher/TestIdentifier.java b/junit-platform-launcher/src/main/java/org/junit/platform/launcher/TestIdentifier.java
index f397eb0b9bc0..80e7cd3b76ec 100644
--- a/junit-platform-launcher/src/main/java/org/junit/platform/launcher/TestIdentifier.java
+++ b/junit-platform-launcher/src/main/java/org/junit/platform/launcher/TestIdentifier.java
@@ -122,9 +122,9 @@ public String getUniqueId() {
 	 * behind the scenes.
 	 *
 	 * @return the unique ID for this identifier; never {@code null}
-	 * @since 5.8
+	 * @since 1.8
 	 */
-	@API(status = STABLE, since = "5.8")
+	@API(status = STABLE, since = "1.8")
 	public UniqueId getUniqueIdObject() {
 		return this.uniqueId;
 	}
@@ -150,9 +150,9 @@ public Optional<String> getParentId() {
 	 *
 	 * @return a container for the unique ID for this identifier's parent;
 	 * never {@code null} though potentially <em>empty</em>
-	 * @since 5.8
+	 * @since 1.8
 	 */
-	@API(status = STABLE, since = "5.8")
+	@API(status = STABLE, since = "1.8")
 	public Optional<UniqueId> getParentIdObject() {
 		return Optional.ofNullable(this.parentId);
 	}
@@ -291,7 +291,7 @@ private void readObject(ObjectInputStream s) throws ClassNotFoundException, IOEx
 
 	/**
 	 * Represents the serialized output of {@code TestIdentifier}. The fields on this
-	 * class match the fields that {@code TestIdentifier} had prior to 5.8.
+	 * class match the fields that {@code TestIdentifier} had prior to 1.8.
 	 */
 	private static class SerializedForm implements Serializable {