diff --git a/go.mod b/go.mod
index 57e6a04..1fc4067 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,5 @@
 module github.com/lucasb-eyer/go-colorful
 
-go 1.9
+go 1.12
 
-require gopkg.in/DATA-DOG/go-sqlmock.v1 v1.3.0
+require github.com/DATA-DOG/go-sqlmock v1.3.3
diff --git a/go.sum b/go.sum
index bf30e15..e787bfc 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-gopkg.in/DATA-DOG/go-sqlmock.v1 v1.3.0 h1:FVCohIoYO7IJoDDVpV2pdq7SgrMH6wHnuTyrdrxJNoY=
-gopkg.in/DATA-DOG/go-sqlmock.v1 v1.3.0/go.mod h1:OdE7CF6DbADk7lN8LIKRzRJTTZXIjtWgA5THM5lhBAw=
+github.com/DATA-DOG/go-sqlmock v1.3.3 h1:CWUqKXe0s8A2z6qCgkP4Kru7wC11YoAnoupUKFDnH08=
+github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=