diff --git a/buildSrc/src/main/kotlin/Releases.kt b/buildSrc/src/main/kotlin/Releases.kt
index ee520410ec..68c7bbe12f 100644
--- a/buildSrc/src/main/kotlin/Releases.kt
+++ b/buildSrc/src/main/kotlin/Releases.kt
@@ -50,13 +50,13 @@ object Releases {
 
   object Engine : LibraryArtifact {
     override val artifactId = "engine"
-    override val version = "1.0.0-preview15-SNAPSHOT"
+    override val version = "1.0.0-preview16-SNAPSHOT"
     override val name = "Android FHIR Engine Library"
   }
 
   object DataCapture : LibraryArtifact {
     override val artifactId = "data-capture"
-    override val version = "1.2.0-preview3-SNAPSHOT"
+    override val version = "1.2.0-preview4-SNAPSHOT"
     override val name = "Android FHIR Structured Data Capture Library"
   }