How to update dependencies in Android Studio?

Question

When I try to Commit to Git in Android Studio I get a couple of Warnings about the dependencies:

A newer version of androidx.appcompat:appcompat than 1.4.0 is available: 1.4.1
A newer version of com.google.android.material:material than 1.4.0 is available: 1.5.0
A newer version of androidx.constraintlayout:constraintlayout than 2.1.2 is available: 2.1.3
Avoid using + in version numbers; can lead to unpredictable and unrepeatable builds (junit:junit:4.+)

Right now I have these dependencies in my "build.gradle" file:

dependencies {  
    implementation 'androidx.appcompat:appcompat:1.4.0'  
    implementation 'com.google.android.material:material:1.4.0'  
    implementation 'androidx.constraintlayout:constraintlayout:2.1.2'  
    testImplementation 'junit:junit:4.+'  
    androidTestImplementation 'androidx.test.ext:junit:1.1.3'  
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'  
}

If I follow the suggestions from the Warnings and change the versions of the dependencies in my "build.gradle" file to:

...appcompat:1.4.1'
...material:1.5.0'
...constraintlayout:2.1.3'

So it looks like this:

dependencies {  
    implementation 'androidx.appcompat:appcompat:1.4.1'  
    implementation 'com.google.android.material:material:1.5.0'  
    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'  
    testImplementation 'junit:junit:4.+'  
    androidTestImplementation 'androidx.test.ext:junit:1.1.3'  
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'  
}

I can no longer start the app!

What more do I need to do?

• Install/update these dependencies (how)?
• Resync anything (what and how)?

Answer 1

After searching the internet for quite a while and trying a couple of different things, like "Rebuild Project", I found the answer at Update dependencies - 3. Perform a Gradle sync/reload.

All I had to do after changing the versions of the dependencies in my "build.gradle" file was to Press the button "Sync Project with Gradle Files" in the Android Studio Gradle Toolbar.