I'm getting this error when running a composer update:
Problem 1
- aws/aws-sdk-php-laravel 1.0.4 requires aws/aws-sdk-php ~2.2 -> satisfiable by aws/aws-sdk-php[2.2.0, 2.2.1, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.4.0, 2.4.1, 2.4.10, 2.4.11, 2.4.12, 2.4.2, 2.4.3, 2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.4.8, 2.4.9, 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.6.0, 2.6.1, 2.6.10, 2.6.11, 2.6.12, 2.6.13, 2.6.14, 2.6.15, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.6.7, 2.6.8, 2.6.9].
- aws/aws-sdk-php-laravel 1.1.0 requires aws/aws-sdk-php ~2.2 -> satisfiable by aws/aws-sdk-php[2.2.0, 2.2.1, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.4.0, 2.4.1, 2.4.10, 2.4.11, 2.4.12, 2.4.2, 2.4.3, 2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.4.8, 2.4.9, 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.6.0, 2.6.1, 2.6.10, 2.6.11, 2.6.12, 2.6.13, 2.6.14, 2.6.15, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.6.7, 2.6.8, 2.6.9].
- aws/aws-sdk-php-laravel 1.1.1 requires aws/aws-sdk-php ~2.2 -> satisfiable by aws/aws-sdk-php[2.2.0, 2.2.1, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.4.0, 2.4.1, 2.4.10, 2.4.11, 2.4.12, 2.4.2, 2.4.3, 2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.4.8, 2.4.9, 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.6.0, 2.6.1, 2.6.10, 2.6.11, 2.6.12, 2.6.13, 2.6.14, 2.6.15, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.6.7, 2.6.8, 2.6.9].
- aws/aws-sdk-php-laravel 1.0.3 requires aws/aws-sdk-php ~2.1 -> satisfiable by aws/aws-sdk-php[2.1.0, 2.1.1, 2.1.2, 2.2.0, 2.2.1, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.4.0, 2.4.1, 2.4.10, 2.4.11, 2.4.12, 2.4.2, 2.4.3, 2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.4.8, 2.4.9, 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.6.0, 2.6.1, 2.6.10, 2.6.11, 2.6.12, 2.6.13, 2.6.14, 2.6.15, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.6.7, 2.6.8, 2.6.9].
- aws/aws-sdk-php 2.4.0 requires guzzle/guzzle ~3.7.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4].
- aws/aws-sdk-php 2.4.1 requires guzzle/guzzle ~3.7.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4].
- aws/aws-sdk-php 2.4.10 requires guzzle/guzzle ~3.7.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4].
- aws/aws-sdk-php 2.4.11 requires guzzle/guzzle ~3.7.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4].
- aws/aws-sdk-php 2.4.12 requires guzzle/guzzle >=3.7.0,<3.9.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1].
- aws/aws-sdk-php 2.4.2 requires guzzle/guzzle ~3.7.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4].
- aws/aws-sdk-php 2.4.3 requires guzzle/guzzle ~3.7.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4].
- aws/aws-sdk-php 2.4.4 requires guzzle/guzzle ~3.7.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4].
- aws/aws-sdk-php 2.4.5 requires guzzle/guzzle ~3.7.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4].
- aws/aws-sdk-php 2.4.6 requires guzzle/guzzle ~3.7.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4].
- aws/aws-sdk-php 2.4.7 requires guzzle/guzzle ~3.7.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4].
- aws/aws-sdk-php 2.4.8 requires guzzle/guzzle ~3.7.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4].
- aws/aws-sdk-php 2.4.9 requires guzzle/guzzle ~3.7.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4].
- aws/aws-sdk-php 2.5.0 requires guzzle/guzzle >=3.7.0,<3.9.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1].
- aws/aws-sdk-php 2.5.1 requires guzzle/guzzle >=3.7.0,<3.9.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1].
- aws/aws-sdk-php 2.5.2 requires guzzle/guzzle >=3.7.0,<3.9.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1].
- aws/aws-sdk-php 2.5.3 requires guzzle/guzzle >=3.7.0,<3.9.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1].
- aws/aws-sdk-php 2.5.4 requires guzzle/guzzle >=3.7.0,<3.9.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1].
- aws/aws-sdk-php 2.6.0 requires guzzle/guzzle >=3.7.0,<3.9.0 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1].
- aws/aws-sdk-php 2.6.1 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.10 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.11 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.12 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.13 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.14 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.15 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.2 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.3 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.4 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.5 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.6 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.7 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.8 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.6.9 requires guzzle/guzzle >=3.7.0,<=3.9.9 -> satisfiable by guzzle/guzzle[v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.3.4 requires guzzle/guzzle ~3.6.0 -> satisfiable by guzzle/guzzle[v3.6.0].
- aws/aws-sdk-php 2.3.1 requires guzzle/guzzle ~3.4.3 -> satisfiable by guzzle/guzzle[v3.4.3].
- aws/aws-sdk-php 2.3.2 requires guzzle/guzzle >=3.4.3,<4 -> satisfiable by guzzle/guzzle[v3.4.3, v3.5.0, v3.6.0, v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.3.3 requires guzzle/guzzle >=3.4.3,<4 -> satisfiable by guzzle/guzzle[v3.4.3, v3.5.0, v3.6.0, v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2].
- aws/aws-sdk-php 2.3.0 requires guzzle/guzzle ~3.4.1 -> satisfiable by guzzle/guzzle[v3.4.1, v3.4.2, v3.4.3].
- aws/aws-sdk-php 2.2.0 requires guzzle/guzzle ~3.3.0 -> satisfiable by guzzle/guzzle[v3.3.0, v3.3.1].
- aws/aws-sdk-php 2.2.1 requires guzzle/guzzle ~3.3.0 -> satisfiable by guzzle/guzzle[v3.3.0, v3.3.1].
- aws/aws-sdk-php 2.1.1 requires guzzle/guzzle ~3.2.0 -> satisfiable by guzzle/guzzle[v3.2.0].
- aws/aws-sdk-php 2.1.2 requires guzzle/guzzle ~3.2.0 -> satisfiable by guzzle/guzzle[v3.2.0].
- aws/aws-sdk-php 2.1.0 requires guzzle/guzzle ~3.1.2 -> satisfiable by guzzle/guzzle[v3.1.2].
- guzzle/guzzle v3.9.2 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.9.1 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.9.0 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.8.1 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.8.0 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.7.4 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.7.3 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.7.2 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.7.1 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.7.0 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.6.0 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.5.0 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.4.3 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.4.2 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.4.1 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.3.1 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.3.0 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- aws/aws-sdk-php-laravel 1.0.2 requires laravel/framework 4.0.* -> no matching package found.
- aws/aws-sdk-php-laravel 1.0.1 requires laravel/framework 4.0.* -> no matching package found.
- guzzle/guzzle v3.2.0 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- guzzle/guzzle v3.1.2 requires ext-curl * -> the requested PHP extension curl is missing from your system.
- aws/aws-sdk-php-laravel 1.0.0 requires laravel/framework 4.0.* -> no matching package found.
- Installation request for aws/aws-sdk-php-laravel 1.* -> satisfiable by aws/aws-sdk-php-laravel[1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.1.0, 1.1.1].