diff --git a/Makefile b/Makefile
index 94386e425cd43e87279cf5b23ff08f95023ffc26..fe53f24963ab0f3632e59fc3bcf95d720ab1a2b1 100644
--- a/Makefile
+++ b/Makefile
@@ -45,8 +45,9 @@ else
     GOLINT=bin/golangci-lint
 endif
 
-GO_LDFLAGS := -X main.build=$(BUILD_DATE) $(GO_LDFLAGS)
+GO_LDFLAGS := -X main.buildDate=$(BUILD_DATE) $(GO_LDFLAGS)
 GO_LDFLAGS := $(GO_LDFLAGS) -X main.version=$(GLAB_VERSION)
+GO_LDFLAGS := $(GO_LDFLAGS) -X main.platform=$(GOOS)
 GOURL ?= gitlab.com/gitlab-org/cli
 BUILDLOC ?= ./bin/glab
 
diff --git a/api/client.go b/api/client.go
index 444e9d5d597c23774ad9903870f2530f28ba7e26..32674147e6eab9f8f0291eb1b4d670b1ff48b518 100644
--- a/api/client.go
+++ b/api/client.go
@@ -27,7 +27,11 @@ const (
 	PrivateToken
 )
 
-const UserAgent = "GLab - GitLab CLI"
+type glabInstall struct {
+	version, platform, build string
+}
+
+var currentGlabInstall glabInstall
 
 // Global api client to be used throughout glab
 var apiClient *Client
@@ -56,6 +60,19 @@ type Client struct {
 	refreshLabInstance bool
 }
 
+func (i glabInstall) UserAgent() string {
+	// UserAgent format: glab/v1.25.3-27-g7ec258fb - built 2023-02-16, (darwin)
+	return fmt.Sprintf("glab/%s - built %s, (%s)", i.version, i.build, i.platform)
+}
+
+func SetUserAgent(version string, build string, platform string) {
+	currentGlabInstall = glabInstall{
+		version:  version,
+		build:    build,
+		platform: platform,
+	}
+}
+
 func init() {
 	// initialise the global api client to be used throughout glab
 	RefreshClient()
@@ -303,7 +320,7 @@ func (c *Client) NewLab() error {
 		if err != nil {
 			return fmt.Errorf("failed to initialize GitLab client: %v", err)
 		}
-		c.LabClient.UserAgent = UserAgent
+		c.LabClient.UserAgent = currentGlabInstall.UserAgent()
 
 		if c.token != "" {
 			c.AuthType = PrivateToken
diff --git a/cmd/glab/main.go b/cmd/glab/main.go
index 00d0fd914bbf1e0758efeb9d37c65e0d3c0469df..b78dfde00dc287c8762a0c72976b39c3796bb17e 100644
--- a/cmd/glab/main.go
+++ b/cmd/glab/main.go
@@ -9,6 +9,7 @@ import (
 	"strconv"
 	"strings"
 
+	"gitlab.com/gitlab-org/cli/api"
 	"gitlab.com/gitlab-org/cli/pkg/iostreams"
 
 	"github.com/mgutz/ansi"
@@ -28,11 +29,14 @@ import (
 	"github.com/spf13/cobra"
 )
 
-// version is set dynamically at build
-var version = "DEV"
-
-// build is set dynamically at build
-var build string
+var (
+	// version is set dynamically at build
+	version = "DEV"
+	// buildDate is set dynamically at build
+	buildDate string
+	// platform is set dynamically at build
+	platform string
+)
 
 // debug is set dynamically at build and can be overridden by
 // the configuration file or environment variable
@@ -53,6 +57,7 @@ func main() {
 		os.Exit(2)
 	}
 
+	api.SetUserAgent(version, buildDate, platform)
 	maybeOverrideDefaultHost(cmdFactory, cfg)
 
 	if !cmdFactory.IO.ColorEnabled() {
@@ -75,7 +80,7 @@ func main() {
 		}
 	}
 
-	rootCmd := commands.NewCmdRoot(cmdFactory, version, build)
+	rootCmd := commands.NewCmdRoot(cmdFactory, version, buildDate)
 
 	// Set Debug mode
 	debugMode, _ = cfg.Get("", "debug")
diff --git a/commands/api/http_test.go b/commands/api/http_test.go
index 2fedea98f1c6121ae6d41073caedcfb9cd90012c..86dbe1c44db7cd46df3ebc475852caa7bfb29cb8 100644
--- a/commands/api/http_test.go
+++ b/commands/api/http_test.go
@@ -2,6 +2,7 @@ package api
 
 import (
 	"bytes"
+	"fmt"
 	"io"
 	"net/http"
 	"os"
@@ -97,6 +98,9 @@ hosts:
 `, "")()
 	originalEnvVarToken, envIsSet := os.LookupEnv("GITLAB_TOKEN")
 
+	api.SetUserAgent("v1.2.3", "12-31-1999", "darwin")
+	versionString := "glab/v1.2.3 - built 12-31-1999, (darwin)"
+
 	if envIsSet && originalEnvVarToken != "" {
 		_ = os.Setenv("GITLAB_TOKEN", "")
 	}
@@ -146,7 +150,7 @@ hosts:
 				method:  "GET",
 				u:       "https://gitlab.com/api/v4/projects/gitlab-com%2Fwww-gitlab-com",
 				body:    "",
-				headers: "Private-Token: OTOKEN\r\nUser-Agent: GLab - GitLab CLI\r\n",
+				headers: fmt.Sprintf("Private-Token: OTOKEN\r\nUser-Agent: %s\r\n", versionString),
 			},
 		},
 		{
@@ -164,7 +168,7 @@ hosts:
 				method:  "GET",
 				u:       "https://gitlab.com/api/v4/projects/gitlab-com%2Fwww-gitlab-com",
 				body:    "",
-				headers: "Private-Token: OTOKEN\r\nUser-Agent: GLab - GitLab CLI\r\n",
+				headers: fmt.Sprintf("Private-Token: OTOKEN\r\nUser-Agent: %s\r\n", versionString),
 			},
 		},
 		{
@@ -184,7 +188,7 @@ hosts:
 				method:  "GET",
 				u:       "https://gitlab.com/api/v4/projects/gitlab-com%2Fwww-gitlab-com?a=b",
 				body:    "",
-				headers: "Private-Token: OTOKEN\r\nUser-Agent: GLab - GitLab CLI\r\n",
+				headers: fmt.Sprintf("Private-Token: OTOKEN\r\nUser-Agent: %s\r\n", versionString),
 			},
 		},
 		{
@@ -204,7 +208,7 @@ hosts:
 				method:  "POST",
 				u:       "https://gitlab.com/api/graphql/",
 				body:    `{"variables":{"a":"b"}}`,
-				headers: "Content-Type: application/json; charset=utf-8\r\nPrivate-Token: OTOKEN\r\nUser-Agent: GLab - GitLab CLI\r\n",
+				headers: fmt.Sprintf("Content-Type: application/json; charset=utf-8\r\nPrivate-Token: OTOKEN\r\nUser-Agent: %s\r\n", versionString),
 			},
 		},
 		{
@@ -225,7 +229,7 @@ hosts:
 				method:  "POST",
 				u:       "https://gitlab.com/api/v4/projects",
 				body:    `CUSTOM`,
-				headers: "Accept: application/json\r\nContent-Type: text/plain\r\nPrivate-Token: OTOKEN\r\nUser-Agent: GLab - GitLab CLI\r\n",
+				headers: fmt.Sprintf("Accept: application/json\r\nContent-Type: text/plain\r\nPrivate-Token: OTOKEN\r\nUser-Agent: %s\r\n", versionString),
 			},
 		},
 	}