diff --git a/buildSrc/src/main/kotlin/Dependencies.kt b/buildSrc/src/main/kotlin/Dependencies.kt
index 4d64f753d5..b2e5c1e964 100644
--- a/buildSrc/src/main/kotlin/Dependencies.kt
+++ b/buildSrc/src/main/kotlin/Dependencies.kt
@@ -248,7 +248,7 @@ object Dependencies {
     }
 
     const val androidFhirCommon = "0.1.0-alpha05-preview2-SNAPSHOT"
-    const val androidFhirEngine = "0.1.0-beta05-preview7-SNAPSHOT"
+    const val androidFhirEngine = "1.0.0-preview1-SNAPSHOT"
     const val androidFhirKnowledge = "0.1.0-alpha03-preview2-SNAPSHOT"
     const val apacheCommonsCompress = "1.21"
     const val desugarJdkLibs = "2.0.3"
diff --git a/buildSrc/src/main/kotlin/Releases.kt b/buildSrc/src/main/kotlin/Releases.kt
index 3b6afdb180..c639d7f95c 100644
--- a/buildSrc/src/main/kotlin/Releases.kt
+++ b/buildSrc/src/main/kotlin/Releases.kt
@@ -48,13 +48,13 @@ object Releases {
 
   object Engine : LibraryArtifact {
     override val artifactId = "engine"
-    override val version = "1.0.0"
+    override val version = "1.0.0-preview2-SNAPSHOT"
     override val name = "Android FHIR Engine Library"
   }
 
   object DataCapture : LibraryArtifact {
     override val artifactId = "data-capture"
-    override val version = "1.1.0-preview1-SNAPSHOT"
+    override val version = "1.1.0-preview4-SNAPSHOT"
     override val name = "Android FHIR Structured Data Capture Library"
   }