diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8f4aa7a3..368a9419 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,7 @@ add_feature_info("TARGET_MAX_INDEX_RANK=${TARGET_MAX_INDEX_RANK}" TRUE "default
 set(BTAS_MAJOR_VERSION 1)
 set(BTAS_MINOR_VERSION 0)
 set(BTAS_MICRO_VERSION 0)
-set(BTAS_PRERELEASE_ID alpha)
+set(BTAS_PRERELEASE_ID alpha.1)
 set(BTAS_VERSION "${BTAS_MAJOR_VERSION}.${BTAS_MINOR_VERSION}.${BTAS_MICRO_VERSION}")
 if (BTAS_PRERELEASE_ID)
   set(BTAS_EXT_VERSION "${BTAS_VERSION}-${BTAS_PRERELEASE_ID}")