diff --git a/go.mod b/go.mod
index 68cc631..99c66b3 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module github.com/bits-and-blooms/bloom/v3
 go 1.16
 
 require (
-	github.com/bits-and-blooms/bitset v1.10.0
+	github.com/bits-and-blooms/bitset v1.19.1
 	github.com/twmb/murmur3 v1.1.6
 )
diff --git a/go.sum b/go.sum
index be0faad..0ff0b59 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
-github.com/bits-and-blooms/bitset v1.10.0 h1:ePXTeiPEazB5+opbv5fr8umg2R/1NlzgDsyepwsSr88=
-github.com/bits-and-blooms/bitset v1.10.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
+github.com/bits-and-blooms/bitset v1.19.1 h1:mv2yVhy96D2CuskLPXnc58oJNMs5PCWjAZuyYU0p12M=
+github.com/bits-and-blooms/bitset v1.19.1/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
 github.com/twmb/murmur3 v1.1.6 h1:mqrRot1BRxm+Yct+vavLMou2/iJt0tNVTTC0QoIjaZg=
 github.com/twmb/murmur3 v1.1.6/go.mod h1:Qq/R7NUyOfr65zD+6Q5IHKsJLwP7exErjN6lyyq3OSQ=