Update build requirements documentation
@@ -12,8 +12,8 @@ to manage the lifecycle of those custom resources.
In order to build the project, you need to comply with the following requirements:
-* **Go version 1.11.4+**: needed to compile and test the project. Refer to the https://golang.org/[Go website] for the installation.
-* **Operator SDK v0.3.0+**: used to build the operator and the Docker images. Instructions in the https://github.com/operator-framework/operator-sdk[Operator SDK website] (binary downloads available in the release page).
+* **Go version 1.12+**: needed to compile and test the project. Refer to the https://golang.org/[Go website] for the installation.
+* **Operator SDK v0.9.0+**: used to build the operator and the Docker images. Instructions in the https://github.com/operator-framework/operator-sdk[Operator SDK website] (binary downloads available in the release page).
* **GNU Make**: used to define composite build actions. This should be already installed or available as package if you have a good OS (https://www.gnu.org/software/make/).
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