diff --git a/go.mod b/go.mod
index 990a6fb..4531358 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.13
 require (
 	github.com/RoaringBitmap/roaring v0.4.16 // indirect
 	github.com/Smerity/govarint v0.0.0-20150407073650-7265e41f48f1 // indirect
-	github.com/blevesearch/bleve v0.7.0
+	github.com/blevesearch/bleve v0.8.2
 	github.com/blevesearch/blevex v0.0.0-20190916190636-152f0fe5c040 // indirect
 	github.com/blevesearch/go-porterstemmer v1.0.2 // indirect
 	github.com/blevesearch/segment v0.0.0-20160105220820-db70c57796cc // indirect
diff --git a/go.sum b/go.sum
index 93e7abe..ad46d70 100644
--- a/go.sum
+++ b/go.sum
@@ -4,12 +4,16 @@ github.com/Smerity/govarint v0.0.0-20150407073650-7265e41f48f1 h1:G/NOANWMQev0Cf
 github.com/Smerity/govarint v0.0.0-20150407073650-7265e41f48f1/go.mod h1:o80NPAib/LOl8Eysqppjj7kkGkqz++eqzYGlvROpDcQ=
 github.com/blevesearch/bleve v0.7.0 h1:znyZ3zjsh2Scr60vszs7rbF29TU6i1q9bfnZf1vh0Ac=
 github.com/blevesearch/bleve v0.7.0/go.mod h1:Y2lmIkzV6mcNfAnAdOd+ZxHkHchhBfU/xroGIp61wfw=
+github.com/blevesearch/bleve v0.8.2 h1:dlG2QtAM91QzMatFLJAooZ8jpL/nG0xIA8+J0RHfcUY=
+github.com/blevesearch/bleve v0.8.2/go.mod h1:Y2lmIkzV6mcNfAnAdOd+ZxHkHchhBfU/xroGIp61wfw=
 github.com/blevesearch/blevex v0.0.0-20190916190636-152f0fe5c040 h1:SjYVcfJVZoCfBlg+fkaq2eoZHTf5HaJfaTeTkOtyfHQ=
 github.com/blevesearch/blevex v0.0.0-20190916190636-152f0fe5c040/go.mod h1:WH+MU2F4T0VmSdaPX+Wu5GYoZBrYWdOZWSjzvYcDmqQ=
 github.com/blevesearch/go-porterstemmer v1.0.2 h1:qe7n69gBd1OLY5sHKnxQHIbzn0LNJA4hpAf+5XDxV2I=
 github.com/blevesearch/go-porterstemmer v1.0.2/go.mod h1:haWQqFT3RdOGz7PJuM3or/pWNJS1pKkoZJWCkWu0DVA=
 github.com/blevesearch/segment v0.0.0-20160105220820-db70c57796cc h1:7OfDAkuAGx71ruzOIFqCkHqGIsVZU0C7PMw5u1bIrwU=
 github.com/blevesearch/segment v0.0.0-20160105220820-db70c57796cc/go.mod h1:IInt5XRvpiGE09KOk9mmCMLjHhydIhNPKPPFLFBB7L8=
+github.com/blevesearch/snowballstem v0.0.0-20200325004757-48afb64082dd h1:YVyOs9yxpxqcB93Ul/UbdGTh26TrTafZrLdCqbJ4IXs=
+github.com/blevesearch/snowballstem v0.0.0-20200325004757-48afb64082dd/go.mod h1:cdytUvf6FKWA9NpXJihYdZq8TN2AiQ5HOS0UZUz0C9g=
 github.com/boltdb/bolt v1.3.2-0.20171120010307-9da317453632 h1:5cBPp9mZiSPzQ3mQApXoSKhE27Bbrka0g+tsxXZ09lI=
 github.com/boltdb/bolt v1.3.2-0.20171120010307-9da317453632/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
 github.com/coreos/bbolt v1.3.0 h1:HIgH5xUWXT914HCI671AxuTTqjj64UOFr7pHn48LUTI=
@@ -101,6 +105,8 @@ github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 h1:EzJWgHo
 github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
 github.com/xeipuuv/gojsonschema v0.0.0-20180816142147-da425ebb7609 h1:BcMExZAULPkihVZ7UJXK7t8rwGqisXFw75tILnafhBY=
 github.com/xeipuuv/gojsonschema v0.0.0-20180816142147-da425ebb7609/go.mod h1:5yf86TLmAcydyeJq5YvxkGPE2fm/u4myDekKRoLuqhs=
+go.etcd.io/bbolt v1.3.4 h1:hi1bXHMVrlQh6WwxAy+qZCV/SYIlqo+Ushwdpa4tAKg=
+go.etcd.io/bbolt v1.3.4/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a h1:oWX7TPOiFAMXLq8o0ikBYfCJVlRHBcsciT5bXOrH628=
@@ -109,6 +115,8 @@ golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5 h1:LfCXLvNmTYH9kEmVgqbnsWfruoXZIrh4YBgqVHtDvw0=
+golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=