diff --git a/Makefile b/Makefile
deleted file mode 100644
index f0eb638..0000000
--- a/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-all:
-	go get github.com/lib/pq
-	go get github.com/sirupsen/logrus
-	go get golang.org/x/net/publicsuffix
-	go build sancrawler.go
-
-clean:
-	rm sancrawler
diff --git a/README.md b/README.md
index aea9174..916b239 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ of as "reverse X509" for the same purpose.
 ## How to build
 
 - First, [install golang](https://golang.org/doc/install) 
-- Then, just do a `make` from the sancrawler2 directory
+- Then, just do a `go build` from the sancrawler2 directory
 
 ## How to use
 
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..232b9a7
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,11 @@
+module github.com/cramppet/sancrawler2
+
+go 1.19
+
+require (
+	github.com/lib/pq v1.10.7
+	github.com/sirupsen/logrus v1.9.0
+	golang.org/x/net v0.0.0-20221002022538-bcab6841153b
+)
+
+require golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..f04f34f
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,20 @@
+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/lib/pq v1.10.7 h1:p7ZhMD+KsSRozJr34udlUrhboJwWAgCg34+/ZZNvZZw=
+github.com/lib/pq v1.10.7/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
+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/sirupsen/logrus v1.9.0 h1:trlNQbNUG3OdDrDil03MCb1H2o9nJ1x4/5LYw7byDE0=
+github.com/sirupsen/logrus v1.9.0/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
+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=
+golang.org/x/net v0.0.0-20221002022538-bcab6841153b h1:6e93nYa3hNqAvLr0pD4PN1fFS+gKzp2zAXqrnTCstqU=
+golang.org/x/net v0.0.0-20221002022538-bcab6841153b/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10 h1:WIoqL4EROvwiPdUtaip4VcDdpZ4kha7wBWZrbVKCIZg=
+golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/sancrawler.go b/sancrawler.go
index 35e91be..a283967 100644
--- a/sancrawler.go
+++ b/sancrawler.go
@@ -125,7 +125,7 @@ func loadCrawlerData(orgname string, sanChan chan crawlerData, cnChan chan crawl
 
 	// Make database connection
 
-	connStr := "host=crt.sh user=guest dbname=certwatch"
+	connStr := "host=crt.sh user=guest dbname=certwatch binary_parameters=yes"
 	db, err := sql.Open("postgres", connStr)
 	if err != nil {
 		log.Fatal(err)