diff --git a/Gopkg.lock b/Gopkg.lock
index a867d1e49f50..478d4e9b0458 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -143,11 +143,11 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:dfe2c5eadcbaf622a726116baf37582aa82fa8d364f05e168b58fbe96551832d"
+  digest = "1:caed868e37c6cda382a217d8ad4f55da579e1a1d046836de57f11a569e383443"
   name = "github.com/andy-kimball/arenaskl"
   packages = ["."]
   pruneopts = "UT"
-  revision = "224761e552afe64db9d93004f8d5d3a686b89771"
+  revision = "6bf06cf57626e536063e9398a57dfe1417ed0799"
 
 [[projects]]
   digest = "1:66b3310cf22cdc96c35ef84ede4f7b9b370971c4025f394c89a2638729653b11"
diff --git a/pkg/storage/tscache/interval_skl_test.go b/pkg/storage/tscache/interval_skl_test.go
index 713e70584cd6..13639f6eefcf 100644
--- a/pkg/storage/tscache/interval_skl_test.go
+++ b/pkg/storage/tscache/interval_skl_test.go
@@ -1218,10 +1218,10 @@ func BenchmarkIntervalSklAddAndLookup(b *testing.B) {
 					rng := rand.New(rand.NewSource(timeutil.Now().UnixNano()))
 
 					for n := 0; n < b.N/parallel; n++ {
-						readFrac := rng.Int31()
+						readFrac := rng.Int31n(10)
 						keyNum := rng.Int31n(max)
 
-						if (readFrac % 10) < int32(i) {
+						if readFrac < int32(i) {
 							key := []byte(fmt.Sprintf("%020d", keyNum))
 							s.LookupTimestamp(key)
 						} else {
diff --git a/vendor b/vendor
index 33eeb37f6f67..2b619c3efb04 160000
--- a/vendor
+++ b/vendor
@@ -1 +1 @@
-Subproject commit 33eeb37f6f67ba330d5343ca2da83c8c25d6b974
+Subproject commit 2b619c3efb048f876d9ab26e45872bafb7099e5c