diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c1dad7e..b97b4413 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 CHANGELOG
 =========
 
-3.3.0 (unreleased)
+3.3.0 (2025-11-20)
 ------------------
 
 * A new `anonymizer` property has been added to `GeoIp2\Model\Insights`.
diff --git a/README.md b/README.md
index 64e5d560..d8535edd 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ You should now have the file `composer.phar` in your project directory.
 Run in your project root:
 
 ```sh
-php composer.phar require geoip2/geoip2:^3.2.0
+php composer.phar require geoip2/geoip2:^3.3.0
 ```
 
 You should now have the files `composer.json` and `composer.lock` as well as
diff --git a/composer.json b/composer.json
index c386a04d..1dd316db 100644
--- a/composer.json
+++ b/composer.json
@@ -13,8 +13,8 @@
         }
     ],
     "require": {
-        "maxmind-db/reader": "^1.12.1",
-        "maxmind/web-service-common": "~0.10",
+        "maxmind-db/reader": "^1.13.0",
+        "maxmind/web-service-common": "~0.11",
         "php": ">=8.1",
         "ext-json": "*"
     },
diff --git a/dev-bin/release.sh b/dev-bin/release.sh
index 68012ead..dcedef88 100755
--- a/dev-bin/release.sh
+++ b/dev-bin/release.sh
@@ -2,6 +2,14 @@
 
 set -eu -o pipefail
 
+# Check that we're not on the main branch
+current_branch=$(git branch --show-current)
+if [ "$current_branch" = "main" ]; then
+    echo "Error: Releases should not be done directly on the main branch."
+    echo "Please create a release branch and run this script from there."
+    exit 1
+fi
+
 phar='geoip2.phar'
 
 changelog=$(cat CHANGELOG.md)
@@ -46,10 +54,10 @@ perl -pi -e "s/(?<=const VERSION = ').+?(?=';)/$tag/g" src/WebService/Client.php
 perl -pi -e "s{(?<=php composer\.phar require geoip2/geoip2:).+}{^$version}g" README.md
 
 
-box_phar_hash='aa0966319f709e74bf2bf1d58ddb987903ae4f6d0a9d335ec2261813c189f7fc  box.phar'
+box_phar_hash='f98cf885a7c07c84df66e33888f1d93f063298598e0a5f41ca322aeb9683179b  box.phar'
 
 if ! echo "$box_phar_hash" | sha256sum -c; then
-    wget -O box.phar "https://github.com/box-project/box/releases/download/4.6.6/box.phar"
+    wget -O box.phar "https://github.com/box-project/box/releases/download/4.6.10/box.phar"
 fi
 
 echo "$box_phar_hash" | sha256sum -c
@@ -94,10 +102,10 @@ if [ -n "$(git status --porcelain)" ]; then
 fi
 
 # Using Composer is possible, but they don't recommend it.
-phpdocumentor_phar_hash='5223cc8455d53c51fcd5a3d4ac7817acdbec3f3e325981688d345f2468097230  phpDocumentor.phar'
+phpdocumentor_phar_hash='aa00973d88b278fe59fd8dce826d8d5419df589cb7563ac379856ec305d6b938  phpDocumentor.phar'
 
 if ! echo "$phpdocumentor_phar_hash" | sha256sum -c; then
-    wget -O phpDocumentor.phar https://github.com/phpDocumentor/phpDocumentor/releases/download/v3.7.1/phpDocumentor.phar
+    wget -O phpDocumentor.phar https://github.com/phpDocumentor/phpDocumentor/releases/download/v3.8.1/phpDocumentor.phar
 fi
 
 echo "$phpdocumentor_phar_hash" | sha256sum -c
diff --git a/src/WebService/Client.php b/src/WebService/Client.php
index debe8e84..8d5646fd 100644
--- a/src/WebService/Client.php
+++ b/src/WebService/Client.php
@@ -54,7 +54,7 @@ class Client implements ProviderInterface
     private readonly WsClient $client;
     private static string $basePath = '/geoip/v2.1';
 
-    public const VERSION = 'v3.2.0';
+    public const VERSION = 'v3.3.0';
 
     /**
      * Constructor.