diff --git a/attachments_test.go b/attachments_test.go
index a973b5482..2aa876714 100644
--- a/attachments_test.go
+++ b/attachments_test.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"testing"
+	"time"
 
 	"github.com/nyaruka/courier"
 	"github.com/nyaruka/courier/test"
@@ -39,7 +40,7 @@ func TestFetchAndStoreAttachment(t *testing.T) {
 	}))
 
 	defer uuids.SetGenerator(uuids.DefaultGenerator)
-	uuids.SetGenerator(uuids.NewSeededGenerator(1234))
+	uuids.SetGenerator(uuids.NewSeededGenerator(1234, time.Now))
 
 	ctx := context.Background()
 	mb := test.NewMockBackend()
diff --git a/backends/rapidpro/backend.go b/backends/rapidpro/backend.go
index 8bd5570f8..0f21c77ac 100644
--- a/backends/rapidpro/backend.go
+++ b/backends/rapidpro/backend.go
@@ -624,7 +624,7 @@ func (b *backend) WriteChannelLog(ctx context.Context, clog *courier.ChannelLog)
 // SaveAttachment saves an attachment to backend storage
 func (b *backend) SaveAttachment(ctx context.Context, ch courier.Channel, contentType string, data []byte, extension string) (string, error) {
 	// create our filename
-	filename := string(uuids.New())
+	filename := string(uuids.NewV4())
 	if extension != "" {
 		filename = fmt.Sprintf("%s.%s", filename, extension)
 	}
diff --git a/backends/rapidpro/backend_test.go b/backends/rapidpro/backend_test.go
index 583feabc4..72b275c89 100644
--- a/backends/rapidpro/backend_test.go
+++ b/backends/rapidpro/backend_test.go
@@ -1093,7 +1093,7 @@ func (ts *BackendTestSuite) TestSaveAttachment() {
 	knChannel := ts.getChannel("KN", "dbc126ed-66bc-4e28-b67b-81dc3327c95d")
 
 	defer uuids.SetGenerator(uuids.DefaultGenerator)
-	uuids.SetGenerator(uuids.NewSeededGenerator(1234))
+	uuids.SetGenerator(uuids.NewSeededGenerator(1234, time.Now))
 
 	newURL, err := ts.b.SaveAttachment(ctx, knChannel, "image/jpeg", testJPG, "jpg")
 	ts.NoError(err)
@@ -1204,7 +1204,7 @@ func (ts *BackendTestSuite) TestWriteMsgWithAttachments() {
 	ctx := context.Background()
 
 	defer uuids.SetGenerator(uuids.DefaultGenerator)
-	uuids.SetGenerator(uuids.NewSeededGenerator(1234))
+	uuids.SetGenerator(uuids.NewSeededGenerator(1234, time.Now))
 
 	knChannel := ts.getChannel("KN", "dbc126ed-66bc-4e28-b67b-81dc3327c95d")
 	clog := courier.NewChannelLog(courier.ChannelLogTypeUnknown, knChannel, nil)
diff --git a/backends/rapidpro/contact.go b/backends/rapidpro/contact.go
index 94f2328cb..79170e5be 100644
--- a/backends/rapidpro/contact.go
+++ b/backends/rapidpro/contact.go
@@ -133,7 +133,7 @@ func contactForURN(ctx context.Context, b *backend, org OrgID, channel *Channel,
 
 	// didn't find it, we need to create it instead
 	contact.OrgID_ = org
-	contact.UUID_ = courier.ContactUUID(uuids.New())
+	contact.UUID_ = courier.ContactUUID(uuids.NewV4())
 	contact.CreatedOn_ = time.Now()
 	contact.ModifiedOn_ = time.Now()
 	contact.IsNew_ = true
diff --git a/backends/rapidpro/msg.go b/backends/rapidpro/msg.go
index e51a2522b..32931d928 100644
--- a/backends/rapidpro/msg.go
+++ b/backends/rapidpro/msg.go
@@ -107,7 +107,7 @@ func newMsg(direction MsgDirection, channel courier.Channel, urn urns.URN, text
 
 	return &Msg{
 		OrgID_:        dbChannel.OrgID(),
-		UUID_:         courier.MsgUUID(uuids.New()),
+		UUID_:         courier.MsgUUID(uuids.NewV4()),
 		Direction_:    direction,
 		Status_:       courier.MsgStatusPending,
 		Visibility_:   MsgVisible,
diff --git a/celery/celery.go b/celery/celery.go
index 597b148c9..da5c4b878 100644
--- a/celery/celery.go
+++ b/celery/celery.go
@@ -39,8 +39,8 @@ const defaultBody = `[[], {}, {"chord": null, "callbacks": null, "errbacks": nul
 // QueueEmptyTask queues a new empty task with the passed in task name for the passed in queue
 func QueueEmptyTask(rc redis.Conn, queueName string, taskName string) error {
 	body := base64.StdEncoding.EncodeToString([]byte(defaultBody))
-	taskUUID := string(uuids.New())
-	deliveryTag := string(uuids.New())
+	taskUUID := string(uuids.NewV4())
+	deliveryTag := string(uuids.NewV4())
 
 	task := Task{
 		Body: body,
@@ -63,7 +63,7 @@ func QueueEmptyTask(rc redis.Conn, queueName string, taskName string) error {
 		Properties: TaskProperties{
 			BodyEncoding:  "base64",
 			CorrelationID: taskUUID,
-			ReplyTo:       string(uuids.New()),
+			ReplyTo:       string(uuids.NewV4()),
 			DeliveryMode:  2,
 			DeliveryTag:   deliveryTag,
 			DeliveryInfo: TaskDeliveryInfo{
diff --git a/channel_log.go b/channel_log.go
index 84ca74baf..34ca6e4d0 100644
--- a/channel_log.go
+++ b/channel_log.go
@@ -129,7 +129,7 @@ func NewChannelLog(t ChannelLogType, ch Channel, redactVals []string) *ChannelLo
 
 func newChannelLog(t ChannelLogType, ch Channel, r *httpx.Recorder, attached bool, redactVals []string) *ChannelLog {
 	return &ChannelLog{
-		uuid:      ChannelLogUUID(uuids.New()),
+		uuid:      ChannelLogUUID(uuids.NewV4()),
 		type_:     t,
 		channel:   ch,
 		recorder:  r,
diff --git a/channel_log_test.go b/channel_log_test.go
index 8778109e4..647b747b5 100644
--- a/channel_log_test.go
+++ b/channel_log_test.go
@@ -23,7 +23,7 @@ func TestChannelLog(t *testing.T) {
 	}))
 	defer httpx.SetRequestor(httpx.DefaultRequestor)
 
-	uuids.SetGenerator(uuids.NewSeededGenerator(1234))
+	uuids.SetGenerator(uuids.NewSeededGenerator(1234, time.Now))
 	defer uuids.SetGenerator(uuids.DefaultGenerator)
 
 	channel := test.NewMockChannel("fef91e9b-a6ed-44fb-b6ce-feed8af585a8", "NX", "1234", "US", []string{urns.Phone.Prefix}, nil)
diff --git a/go.mod b/go.mod
index bac282ec6..e8b108573 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,7 @@ require (
 	github.com/jmoiron/sqlx v1.4.0
 	github.com/lib/pq v1.10.9
 	github.com/nyaruka/ezconf v0.3.0
-	github.com/nyaruka/gocommon v1.56.4
+	github.com/nyaruka/gocommon v1.57.1
 	github.com/nyaruka/null/v3 v3.0.0
 	github.com/nyaruka/redisx v0.8.1
 	github.com/patrickmn/go-cache v2.1.0+incompatible
@@ -43,10 +43,10 @@ require (
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-playground/validator/v10 v10.22.0 // indirect
-	github.com/gofrs/uuid v4.4.0+incompatible // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/google/s2a-go v0.1.7 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/jellydator/ttlcache/v3 v3.2.0 // indirect
diff --git a/go.sum b/go.sum
index a0cbfc5ba..45a3e3cb6 100644
--- a/go.sum
+++ b/go.sum
@@ -55,8 +55,6 @@ github.com/go-playground/validator/v10 v10.22.0 h1:k6HsTZ0sTnROkhS//R0O+55JgM8C4
 github.com/go-playground/validator/v10 v10.22.0/go.mod h1:dbuPbCMFw/DrkbEynArYaCwl3amGuJotoKCe95atGMM=
 github.com/go-sql-driver/mysql v1.8.1 h1:LedoTUt/eveggdHS9qUFC1EFSa8bU2+1pZjSRpvNJ1Y=
 github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
-github.com/gofrs/uuid v4.4.0+incompatible h1:3qXRTX8/NbyulANqlc0lchS1gqAVxRgsuW1YrTJupqA=
-github.com/gofrs/uuid v4.4.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/golang-jwt/jwt/v5 v5.2.1 h1:OuVbFODueb089Lh128TAcimifWaLhJwVflnrgM17wHk=
 github.com/golang-jwt/jwt/v5 v5.2.1/go.mod h1:pqrtFR0X4osieyHYxtmOUWsAWrfe1Q5UVIyoH402zdk=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
@@ -122,8 +120,8 @@ github.com/naoina/toml v0.1.1 h1:PT/lllxVVN0gzzSqSlHEmP8MJB4MY2U7STGxiouV4X8=
 github.com/naoina/toml v0.1.1/go.mod h1:NBIhNtsFMo3G2szEBne+bO4gS192HuIYRqfvOWb4i1E=
 github.com/nyaruka/ezconf v0.3.0 h1:kGvJqVN8AHowb4HdaHAviJ0Z3yI5Pyekp1WqibFEaGk=
 github.com/nyaruka/ezconf v0.3.0/go.mod h1:89GUW6EPRNLIxT7lC4LWnjWTgZeQwRoX7lBmc8ralAU=
-github.com/nyaruka/gocommon v1.56.4 h1:wE6dnqpFBRRwNO5CLFVb4mnU/uf5g3AX9Ivh7WwxfZQ=
-github.com/nyaruka/gocommon v1.56.4/go.mod h1:XDCG6LNrYCH7XfRBDmwue1WMqoJXyltmhTvmBQy2XIk=
+github.com/nyaruka/gocommon v1.57.1 h1:s/9WLZAOUNg0dQHZkgpx8qQMUtNJ2mqzxQhdk1+UBn4=
+github.com/nyaruka/gocommon v1.57.1/go.mod h1:wa++Yu/8PEP/HwfvXZrGlKZUCPSJAtSJHeuVsWtLOPM=
 github.com/nyaruka/librato v1.1.1 h1:0nTYtJLl3Sn7lX3CuHsLf+nXy1k/tGV0OjVxLy3Et4s=
 github.com/nyaruka/librato v1.1.1/go.mod h1:fme1Fu1PT2qvkaBZyw8WW+SrnFe2qeeCWpvqmAaKAKE=
 github.com/nyaruka/null/v2 v2.0.3 h1:rdmMRQyVzrOF3Jff/gpU/7BDR9mQX0lcLl4yImsA3kw=
diff --git a/handlers/clickmobile/handler_test.go b/handlers/clickmobile/handler_test.go
index 791750de6..ae3345c2b 100644
--- a/handlers/clickmobile/handler_test.go
+++ b/handlers/clickmobile/handler_test.go
@@ -221,7 +221,7 @@ func TestOutgoing(t *testing.T) {
 	)
 
 	// mock time so we can have predictable MD5 hashes
-	dates.SetNowSource(dates.NewFixedNowSource(time.Date(2018, 4, 11, 18, 24, 30, 123456000, time.UTC)))
+	dates.SetNowFunc(dates.NewFixedNow(time.Date(2018, 4, 11, 18, 24, 30, 123456000, time.UTC)))
 
 	RunOutgoingTestCases(t, ch, newHandler(), outgoingCases, []string{"Password"}, nil)
 }
diff --git a/handlers/telesom/handler_test.go b/handlers/telesom/handler_test.go
index 75d71aca7..c83244932 100644
--- a/handlers/telesom/handler_test.go
+++ b/handlers/telesom/handler_test.go
@@ -172,7 +172,7 @@ func TestOutgoing(t *testing.T) {
 	)
 
 	// mock time so we can have predictable MD5 hashes
-	dates.SetNowSource(dates.NewFixedNowSource(time.Date(2018, 4, 11, 18, 24, 30, 123456000, time.UTC)))
+	dates.SetNowFunc(dates.NewFixedNow(time.Date(2018, 4, 11, 18, 24, 30, 123456000, time.UTC)))
 
 	RunOutgoingTestCases(t, defaultChannel, newHandler(), defaultSendTestCases, []string{"Password", "secret"}, nil)
 }
diff --git a/server_test.go b/server_test.go
index 12adff1d1..d3c2ae8f1 100644
--- a/server_test.go
+++ b/server_test.go
@@ -241,7 +241,7 @@ func TestFetchAttachment(t *testing.T) {
 	httpx.SetRequestor(httpMocks)
 
 	defer uuids.SetGenerator(uuids.DefaultGenerator)
-	uuids.SetGenerator(uuids.NewSeededGenerator(1234))
+	uuids.SetGenerator(uuids.NewSeededGenerator(1234, time.Now))
 
 	logger := slog.Default()
 	config := courier.NewDefaultConfig()
diff --git a/test/backend.go b/test/backend.go
index 7141f433a..8d348265c 100644
--- a/test/backend.go
+++ b/test/backend.go
@@ -299,7 +299,7 @@ func (mb *MockBackend) GetChannelByAddress(ctx context.Context, cType courier.Ch
 func (mb *MockBackend) GetContact(ctx context.Context, channel courier.Channel, urn urns.URN, authTokens map[string]string, name string, clog *courier.ChannelLog) (courier.Contact, error) {
 	contact, found := mb.contacts[urn]
 	if !found {
-		contact = &mockContact{channel, urn, authTokens, courier.ContactUUID(uuids.New())}
+		contact = &mockContact{channel, urn, authTokens, courier.ContactUUID(uuids.NewV4())}
 		mb.contacts[urn] = contact
 	}
 	return contact, nil
@@ -341,7 +341,7 @@ func (mb *MockBackend) SaveAttachment(ctx context.Context, ch courier.Channel, c
 
 	time.Sleep(time.Millisecond * 2)
 
-	return fmt.Sprintf("https://backend.com/attachments/%s.%s", uuids.New(), extension), nil
+	return fmt.Sprintf("https://backend.com/attachments/%s.%s", uuids.NewV4(), extension), nil
 }
 
 // ResolveMedia resolves the passed in media URL to a media object