diff --git a/go.mod b/go.mod
index 3468d22..b700577 100644
--- a/go.mod
+++ b/go.mod
@@ -1,9 +1,15 @@
 module github.com/geniussportsgroup/FunctionalLib
 
-go 1.15
+go 1.21
 
 require (
-	github.com/geniussportsgroup/Slist v1.0.7
-	github.com/geniussportsgroup/treaps v1.2.1
+	github.com/geniussportsgroup/Slist v1.1.0-pre
+	github.com/geniussportsgroup/treaps v1.3.0-pre2
 	github.com/stretchr/testify v1.7.0
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..fb1243c
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,17 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/geniussportsgroup/Slist v1.1.0-pre h1:Ny/LFa8Hy/iigr5VYLkIuf0XCCwl74A2EeHplYVnjms=
+github.com/geniussportsgroup/Slist v1.1.0-pre/go.mod h1:KtmTUwp7zybmIB16FBBVm1Gdb11kOnDINmaotgByNXU=
+github.com/geniussportsgroup/treaps v1.3.0-pre2 h1:s3y0PvFqTH4jwuHQy/NdZGD4kwUtaUrC5iF71Eo63QQ=
+github.com/geniussportsgroup/treaps v1.3.0-pre2/go.mod h1:ajgGPg+tYl9QjC2au7snOMZg8llNpGFSr987x57Sjl8=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=