diff --git a/promlog/log.go b/promlog/log.go
index 50746544..a99116c7 100644
--- a/promlog/log.go
+++ b/promlog/log.go
@@ -14,6 +14,8 @@
 // Package promlog defines standardised ways to initialize Go kit loggers
 // across Prometheus components.
 // It should typically only ever be imported by main packages.
+
+// Deprecated: This package has been replaced with github.com/prometheus/common/promslog.
 package promlog
 
 import (
diff --git a/promslog/slog.go b/promslog/slog.go
new file mode 100644
index 00000000..930d5ac3
--- /dev/null
+++ b/promslog/slog.go
@@ -0,0 +1,165 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package promslog defines standardised ways to initialize the Go standard
+// library's log/slog logger.
+// It should typically only ever be imported by main packages.
+package promslog
+
+import (
+	"fmt"
+	"io"
+	"log/slog"
+	"os"
+	"path/filepath"
+	"strconv"
+)
+
+var (
+	LevelFlagOptions  = []string{"debug", "info", "warn", "error"}
+	FormatFlagOptions = []string{"logfmt", "json"}
+
+	callerAddFunc   = false
+	defaultWriter   = os.Stderr
+	replaceAttrFunc = func(groups []string, a slog.Attr) slog.Attr {
+		key := a.Key
+		switch key {
+		case slog.TimeKey:
+			a.Key = "ts"
+
+			// This timestamp format differs from RFC3339Nano by using .000 instead
+			// of .999999999 which changes the timestamp from 9 variable to 3 fixed
+			// decimals (.130 instead of .130987456).
+			t := a.Value.Time()
+			a.Value = slog.StringValue(t.Format("2006-01-02T15:04:05.000Z07:00"))
+		case slog.SourceKey:
+			a.Key = "caller"
+			src, _ := a.Value.Any().(*slog.Source)
+
+			switch callerAddFunc {
+			case true:
+				a.Value = slog.StringValue(filepath.Base(src.File) + "(" + filepath.Base(src.Function) + "):" + strconv.Itoa(src.Line))
+			default:
+				a.Value = slog.StringValue(filepath.Base(src.File) + ":" + strconv.Itoa(src.Line))
+			}
+		default:
+		}
+
+		return a
+	}
+)
+
+// AllowedLevel is a settable identifier for the minimum level a log entry
+// must be have.
+type AllowedLevel struct {
+	s   string
+	lvl *slog.LevelVar
+}
+
+func (l *AllowedLevel) UnmarshalYAML(unmarshal func(interface{}) error) error {
+	var s string
+	type plain string
+	if err := unmarshal((*plain)(&s)); err != nil {
+		return err
+	}
+	if s == "" {
+		return nil
+	}
+	lo := &AllowedLevel{}
+	if err := lo.Set(s); err != nil {
+		return err
+	}
+	*l = *lo
+	return nil
+}
+
+func (l *AllowedLevel) String() string {
+	return l.s
+}
+
+// Set updates the value of the allowed level.
+func (l *AllowedLevel) Set(s string) error {
+	if l.lvl == nil {
+		l.lvl = &slog.LevelVar{}
+	}
+
+	switch s {
+	case "debug":
+		l.lvl.Set(slog.LevelDebug)
+		callerAddFunc = true
+	case "info":
+		l.lvl.Set(slog.LevelInfo)
+		callerAddFunc = false
+	case "warn":
+		l.lvl.Set(slog.LevelWarn)
+		callerAddFunc = false
+	case "error":
+		l.lvl.Set(slog.LevelError)
+		callerAddFunc = false
+	default:
+		return fmt.Errorf("unrecognized log level %q", s)
+	}
+	l.s = s
+	return nil
+}
+
+// AllowedFormat is a settable identifier for the output format that the logger can have.
+type AllowedFormat struct {
+	s string
+}
+
+func (f *AllowedFormat) String() string {
+	return f.s
+}
+
+// Set updates the value of the allowed format.
+func (f *AllowedFormat) Set(s string) error {
+	switch s {
+	case "logfmt", "json":
+		f.s = s
+	default:
+		return fmt.Errorf("unrecognized log format %q", s)
+	}
+	return nil
+}
+
+// Config is a struct containing configurable settings for the logger
+type Config struct {
+	Level    *AllowedLevel
+	Format   *AllowedFormat
+	ioWriter io.Writer
+}
+
+// New returns a new slog.Logger. Each logged line will be annotated
+// with a timestamp. The output always goes to stderr.
+func New(config *Config) *slog.Logger {
+	if config.Level == nil {
+		config.Level = &AllowedLevel{}
+		_ = config.Level.Set("info")
+	}
+
+	if config.ioWriter == nil {
+		config.ioWriter = defaultWriter
+	}
+
+	logHandlerOpts := &slog.HandlerOptions{
+		Level:       config.Level.lvl,
+		AddSource:   true,
+		ReplaceAttr: replaceAttrFunc,
+	}
+
+	if config.Format != nil && config.Format.s == "json" {
+		return slog.New(slog.NewJSONHandler(config.ioWriter, logHandlerOpts))
+	}
+	return slog.New(slog.NewTextHandler(config.ioWriter, logHandlerOpts))
+}
diff --git a/promslog/slog_test.go b/promslog/slog_test.go
new file mode 100644
index 00000000..bcdca361
--- /dev/null
+++ b/promslog/slog_test.go
@@ -0,0 +1,129 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package promslog
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"log/slog"
+	"regexp"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"gopkg.in/yaml.v2"
+)
+
+var logLevelRegexp = regexp.MustCompile(`.*level=(?P<Level>WARN|INFO|ERROR|DEBUG).*`)
+
+// Make sure creating and using a logger with an empty configuration doesn't
+// result in a panic.
+func TestDefaultConfig(t *testing.T) {
+	require.NotPanics(t, func() {
+		logger := New(&Config{})
+		logger.Info("empty config `Info()` test", "hello", "world")
+		logger.Log(context.Background(), slog.LevelInfo, "empty config `Log()` test", "hello", "world")
+		logger.LogAttrs(context.Background(), slog.LevelInfo, "empty config `LogAttrs()` test", slog.String("hello", "world"))
+	})
+}
+
+func TestUnmarshallLevel(t *testing.T) {
+	l := &AllowedLevel{}
+	err := yaml.Unmarshal([]byte(`debug`), l)
+	if err != nil {
+		t.Error(err)
+	}
+	if l.s != "debug" {
+		t.Errorf("expected %s, got %s", "debug", l.s)
+	}
+}
+
+func TestUnmarshallEmptyLevel(t *testing.T) {
+	l := &AllowedLevel{}
+	err := yaml.Unmarshal([]byte(``), l)
+	if err != nil {
+		t.Error(err)
+	}
+	if l.s != "" {
+		t.Errorf("expected empty level, got %s", l.s)
+	}
+}
+
+func TestUnmarshallBadLevel(t *testing.T) {
+	l := &AllowedLevel{}
+	err := yaml.Unmarshal([]byte(`debugg`), l)
+	if err == nil {
+		t.Error("expected error")
+	}
+	expErr := `unrecognized log level "debugg"`
+	if err.Error() != expErr {
+		t.Errorf("expected error %s, got %s", expErr, err.Error())
+	}
+	if l.s != "" {
+		t.Errorf("expected empty level, got %s", l.s)
+	}
+}
+
+func getLogEntryLevelCounts(s string) map[string]int {
+	counters := make(map[string]int)
+	lines := strings.Split(s, "\n")
+	for _, line := range lines {
+		matches := logLevelRegexp.FindStringSubmatch(line)
+		if len(matches) > 1 {
+			levelIndex := logLevelRegexp.SubexpIndex("Level")
+
+			counters[matches[levelIndex]]++
+		}
+	}
+
+	return counters
+}
+
+func TestDynamicLevels(t *testing.T) {
+	var buf bytes.Buffer
+	config := &Config{ioWriter: &buf}
+	logger := New(config)
+
+	// Test that log level can be adjusted on-the-fly to debug and that a
+	// log entry can be written to the file.
+	if err := config.Level.Set("debug"); err != nil {
+		t.Fatal(err)
+	}
+	logger.Info("info", "hello", "world")
+	logger.Debug("debug", "hello", "world")
+
+	counts := getLogEntryLevelCounts(buf.String())
+	require.Equal(t, 1, counts["INFO"], "info log successfully detected")
+	require.Equal(t, 1, counts["DEBUG"], "debug log successfully detected")
+	// Print logs for humans to see, if needed.
+	fmt.Println(buf.String())
+	buf.Reset()
+
+	// Test that log level can be adjusted on-the-fly to info and that a
+	// subsequent call to write a debug level log is _not_ written to the
+	// file.
+	if err := config.Level.Set("info"); err != nil {
+		t.Fatal(err)
+	}
+	logger.Info("info", "hello", "world")
+	logger.Debug("debug", "hello", "world")
+
+	counts = getLogEntryLevelCounts(buf.String())
+	require.Equal(t, 1, counts["INFO"], "info log successfully detected")
+	require.NotEqual(t, 1, counts["DEBUG"], "extra debug log detected")
+	// Print logs for humans to see, if needed.
+	fmt.Println(buf.String())
+	buf.Reset()
+}