diff --git a/go.mod b/go.mod
index 40708b9f9..c0bcdc8cd 100644
--- a/go.mod
+++ b/go.mod
@@ -39,7 +39,7 @@ require (
 	github.com/jcmturner/gofork v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.10
 	github.com/karlseguin/ccache v2.0.3+incompatible
-	github.com/karlseguin/expect v1.0.1 // indirect
+	github.com/karlseguin/ccache/v2 v2.0.7
 	github.com/klauspost/compress v1.10.9 // indirect
 	github.com/klauspost/cpuid v1.2.1 // indirect
 	github.com/klauspost/crc32 v1.2.0
diff --git a/go.sum b/go.sum
index 3c0396f85..d91a570f8 100644
--- a/go.sum
+++ b/go.sum
@@ -369,8 +369,11 @@ github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfV
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/karlseguin/ccache v2.0.3+incompatible h1:j68C9tWOROiOLWTS/kCGg9IcJG+ACqn5+0+t8Oh83UU=
 github.com/karlseguin/ccache v2.0.3+incompatible/go.mod h1:CM9tNPzT6EdRh14+jiW8mEF9mkNZuuE51qmgGYUB93w=
+github.com/karlseguin/ccache/v2 v2.0.7 h1:y5Pfi4eiyYCOD6LS/Kj+o6Nb4M5Ngpw9qFQs+v44ZYM=
+github.com/karlseguin/ccache/v2 v2.0.7/go.mod h1:2BDThcfQMf/c0jnZowt16eW405XIqZPavt+HoYEtcxQ=
 github.com/karlseguin/expect v1.0.1 h1:z4wy4npwwHSWKjGWH85WNJO42VQhovxTCZDSzhjo8hY=
 github.com/karlseguin/expect v1.0.1/go.mod h1:zNBxMY8P21owkeogJELCLeHIt+voOSduHYTFUbwRAV8=
+github.com/karlseguin/expect v1.0.2-0.20190806010014-778a5f0c6003/go.mod h1:zNBxMY8P21owkeogJELCLeHIt+voOSduHYTFUbwRAV8=
 github.com/karrick/godirwalk v1.8.0/go.mod h1:H5KPZjojv4lE+QYImBI8xVtrBRgYrIVsaRPx4tDPEn4=
 github.com/karrick/godirwalk v1.10.3/go.mod h1:RoGL9dQei4vP9ilrpETWE8CLOZ1kiN0LhBygSwrAsHA=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
diff --git a/weed/util/chunk_cache/chunk_cache_in_memory.go b/weed/util/chunk_cache/chunk_cache_in_memory.go
index 931e45e9a..1eb00e1fa 100644
--- a/weed/util/chunk_cache/chunk_cache_in_memory.go
+++ b/weed/util/chunk_cache/chunk_cache_in_memory.go
@@ -3,7 +3,7 @@ package chunk_cache
 import (
 	"time"
 
-	"github.com/karlseguin/ccache"
+	"github.com/karlseguin/ccache/v2"
 )
 
 // a global cache for recently accessed file chunks