How to properly add 1.20.5 branch dependency?

[boxic]

Here's my current build.gradle.kts:

plugins {
    id("java")
}

group = "tools.slam"
version = "1.0-SNAPSHOT"

repositories {
    mavenCentral()
    maven(url = "https://jitpack.io")
}

dependencies {
    implementation("net.minestom:minestom-snapshots:1_20_5-323c75f8a5")
}

Here is the error I get when I try to build my Jar:

Execution failed for task ':compileJava'.
> Could not resolve all files for configuration ':compileClasspath'.
   > Could not resolve net.minestom:minestom-snapshots:1_20_5-323c75f8a5.
     Required by:
         project :
      > No matching variant of net.minestom:minestom-snapshots:1_20_5-323c75f8a5 was found. The consumer was configured to find a library for use during compile-time, compatible with Java 17, preferably in the form of class files, preferably optimized for standard JVMs, and its dependencies declared externally but:
          - Variant 'apiElements' capability net.minestom:minestom-snapshots:1_20_5-323c75f8a5 declares a library for use during compile-time, packaged as a jar, and its dependencies declared externally:
              - Incompatible because this component declares a component, compatible with Java 21 and the consumer needed a component, compatible with Java 17
              - Other compatible attribute:
                  - Doesn't say anything about its target Java environment (preferred optimized for standard JVMs)
          - Variant 'javadocElements' capability net.minestom:minestom-snapshots:1_20_5-323c75f8a5 declares a component for use during runtime, and its dependencies declared externally:
              - Incompatible because this component declares documentation and the consumer needed a library
              - Other compatible attributes:
                  - Doesn't say anything about its target Java environment (preferred optimized for standard JVMs)
                  - Doesn't say anything about its target Java version (required compatibility with Java 17)
                  - Doesn't say anything about its elements (required them preferably in the form of class files)
          - Variant 'runtimeElements' capability net.minestom:minestom-snapshots:1_20_5-323c75f8a5 declares a library for use during runtime, packaged as a jar, and its dependencies declared externally:
              - Incompatible because this component declares a component, compatible with Java 21 and the consumer needed a component, compatible with Java 17
              - Other compatible attribute:
                  - Doesn't say anything about its target Java environment (preferred optimized for standard JVMs)
          - Variant 'sourcesElements' capability net.minestom:minestom-snapshots:1_20_5-323c75f8a5 declares a component for use during runtime, and its dependencies declared externally:
              - Incompatible because this component declares documentation and the consumer needed a library
              - Other compatible attributes:
                  - Doesn't say anything about its target Java environment (preferred optimized for standard JVMs)
                  - Doesn't say anything about its target Java version (required compatibility with Java 17)
                  - Doesn't say anything about its elements (required them preferably in the form of class files)

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BUILD FAILED in 66ms
1 actionable task: 1 executed

[cosrnic]

You need to use java 21, try adding

java {
    toolchain {
        languageVersion.set(JavaLanguageVersion.of(21))

    }
}

to your build.gradle.kts

[boxic]

totally forgot about that, thanks for the timely response!