diff --git a/src/go.mod b/src/go.mod
index a0d4eae9d..3c154584d 100644
--- a/src/go.mod
+++ b/src/go.mod
@@ -1,6 +1,6 @@
 module github.com/alcionai/corso/src
 
-go 1.19
+go 1.20
 
 replace github.com/kopia/kopia => github.com/alcionai/kopia v0.12.2-0.20230502235504-2509b1d72a79
 
diff --git a/src/internal/m365/exchange/mock/collections.go b/src/internal/m365/exchange/mock/collections.go
index 4d78523b1..36de3cfd1 100644
--- a/src/internal/m365/exchange/mock/collections.go
+++ b/src/internal/m365/exchange/mock/collections.go
@@ -89,8 +89,6 @@ func NewContactCollection(pathRepresentation path.Path, numMessagesToReturn int)
 		Names:        []string{},
 	}
 
-	rand.Seed(time.Now().UnixNano())
-
 	middleNames := []string{
 		"Argon",
 		"Bernard",