diff --git a/conf/workloads/ml/als.conf b/conf/workloads/ml/als.conf
index e50a0a658..4f1e7570d 100644
--- a/conf/workloads/ml/als.conf
+++ b/conf/workloads/ml/als.conf
@@ -1,14 +1,14 @@
 hibench.als.tiny.users                  100
 hibench.als.tiny.products               100
-hibench.als.tiny.sparsity               0.05
+hibench.als.tiny.sparsity               0.5
 hibench.als.tiny.implicitprefs	        true
 hibench.als.small.users                 1000
 hibench.als.small.products              1000
-hibench.als.small.sparsity              0.05
+hibench.als.small.sparsity              0.5
 hibench.als.small.implicitprefs         true
 hibench.als.large.users                 10000
 hibench.als.large.products              10000
-hibench.als.large.sparsity              0.05
+hibench.als.large.sparsity              0.1
 hibench.als.large.implicitprefs         true
 hibench.als.huge.users                  30000
 hibench.als.huge.products               40000