diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 12d114f..3b321f7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [1.23.x]
+        go-version: [1.22.x, 1.23.x]
 
     services:
       redis:
diff --git a/dates/i18n.go b/dates/i18n.go
index d6000e6..4007d84 100644
--- a/dates/i18n.go
+++ b/dates/i18n.go
@@ -2,11 +2,10 @@ package dates
 
 import (
 	_ "embed"
-	"maps"
-	"slices"
 
 	"github.com/nyaruka/gocommon/i18n"
 	"github.com/nyaruka/gocommon/jsonx"
+	"golang.org/x/exp/maps"
 )
 
 // File containing day and month translations, generated using https://github.com/nyaruka/go-locales
@@ -31,7 +30,7 @@ var defaultLocale = "en_US"
 func init() {
 	jsonx.MustUnmarshal(i18nJSON, &translations)
 
-	bcp47Matcher = i18n.NewBCP47Matcher(slices.Collect(maps.Keys(translations))...)
+	bcp47Matcher = i18n.NewBCP47Matcher(maps.Keys(translations)...)
 
 	// not all locales have AM/PM values.. but it's simpler if we just given them a default
 	for _, trans := range translations {
diff --git a/go.mod b/go.mod
index 6407337..f685d86 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/nyaruka/gocommon
 
-go 1.23
+go 1.22.0
 
 require (
 	github.com/aws/aws-sdk-go-v2 v1.32.4
diff --git a/httpx/mock.go b/httpx/mock.go
index 67a8e61..c794ef0 100644
--- a/httpx/mock.go
+++ b/httpx/mock.go
@@ -6,12 +6,11 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"maps"
 	"net/http"
-	"slices"
 
 	"github.com/nyaruka/gocommon/jsonx"
 	"github.com/nyaruka/gocommon/stringsx"
+	"golang.org/x/exp/maps"
 )
 
 // MockRequestor is a requestor which can be mocked with responses for given URLs
@@ -43,7 +42,7 @@ func (r *MockRequestor) Do(client *http.Client, request *http.Request) (*http.Re
 	url := request.URL.String()
 
 	// find the most specific match against this URL
-	match := stringsx.GlobSelect(url, slices.Collect(maps.Keys(r.mocks))...)
+	match := stringsx.GlobSelect(url, maps.Keys(r.mocks)...)
 	mockedResponses := r.mocks[match]
 
 	if len(mockedResponses) == 0 {