diff --git a/README.md b/README.md
index 384b446..3961168 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ module can, by default, only operate on datetimes in the UTC time zone. Alternat
 third-party libraries, such as `tz`, to bring in time zone support and deal with datetimes in other time zones than UTC.
 
 The `tz` library relies on the [time zone database](https://data.iana.org/time-zones/tzdb/) maintained by
-[IANA](https://www.iana.org). As of version 0.26.5, `tz` uses version **tzdata2023c** of the IANA time zone database.
+[IANA](https://www.iana.org). As of version 0.26.6, `tz` uses version **tzdata2024a** of the IANA time zone database.
 
 * [Installation and usage](#installation-and-usage)
 * [Core principles](#core-principles)
@@ -32,7 +32,7 @@ Add `tz` for Elixir as a dependency in your `mix.exs` file:
 ```elixir
 def deps do
   [
-    {:tz, "~> 0.26.5"}
+    {:tz, "~> 0.26.6"}
   ]
 end
 ```
@@ -194,7 +194,7 @@ defp deps do
   [
     {:castore, "~> 0.1"},
     {:mint, "~> 1.4"},
-    {:tz, "~> 0.26.5"}
+    {:tz, "~> 0.26.6"}
   ]
 end
 ```
diff --git a/mix.exs b/mix.exs
index 45ac4fb..68dad1e 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule Tz.MixProject do
   use Mix.Project
 
-  @version "0.26.5"
+  @version "0.26.6"
 
   def project do
     [