diff --git a/docker/test/fasttest/run.sh b/docker/test/fasttest/run.sh
index c21a115289d..ff77f444ea7 100755
--- a/docker/test/fasttest/run.sh
+++ b/docker/test/fasttest/run.sh
@@ -185,6 +185,7 @@ function clone_submodules
             contrib/dragonbox
             contrib/fast_float
             contrib/NuRaft
+            contrib/datasketches-cpp
         )
 
         git submodule sync