diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2f3a9c0..2b8b87a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -115,7 +115,7 @@
 include(ExternalProject)
 ExternalProject_Add(datasketches
   GIT_REPOSITORY https://github.com/apache/datasketches-cpp.git
-  GIT_TAG origin/master
+  GIT_TAG 5.0.0
   GIT_SHALLOW true
   GIT_SUBMODULES ""
   INSTALL_DIR /tmp/datasketches