diff --git a/README.md b/README.md
index a3d3b36..2bf482b 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Backstory: https://bojanz.github.io/address-handling-go/
 1. Address struct.
 2. Address formats for ~200 countries.
 3. Regions for ~50 countries, with local names where relevant (e.g: Okinawa / 沖縄県).
-4. Country list, powered by CLDR v43.
+4. Country list, powered by CLDR v44.
 5. HTML formatter.
 6. HTTP handler for serving address formats and regions as JSON: only ~14kb gzipped!
 
diff --git a/countries.go b/countries.go
index c5bbc38..d9567ea 100644
--- a/countries.go
+++ b/countries.go
@@ -4,7 +4,7 @@
 package address
 
 // CLDRVersion is the CLDR version from which the country list is derived.
-const CLDRVersion = "43.0.0"
+const CLDRVersion = "44.0.0"
 
 var countries = map[string]string{
 	"AF": "Afghanistan",