HTTPS issues

Add dependencies pom.xml of my project:

Failed to collect dependencies for ... Could not transfer artifact ... from/to central ... Failed to transfer file ... Return code is: 501 , ReasonPhrase:HTTPS Required. -> [Help 1]

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.mycompany</groupId>
    <artifactId>PokemonProject</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>
    <repositories>
	<repository>
            <id>jitpack.io</id>
            <url>https://jitpack.io</url>
	</repository>
    </repositories>
    <dependencies>
        <dependency>
            <groupId>com.github.PokeAPI</groupId>
            <artifactId>pokekotlin</artifactId>
            <version>2.3.1</version>
            <type>jar</type>
        </dependency>
    </dependencies>
</project>

When trying to run my project I get the error of:

Failed to execute goal on project PokemonProject: Could not resolve dependencies for project com.mycompany:PokemonProject:jar:1.0-SNAPSHOT: Failed to collect dependencies for [com.github.PokeAPI:pokekotlin:jar:2.3.1 (compile)]: Failed to read artifact descriptor for com.squareup.retrofit2:retrofit:jar:2.8.1: Could not transfer artifact com.squareup.retrofit2:retrofit:pom:2.8.1 from/to central (http://repo.maven.apache.org/maven2): Failed to transfer file: http://repo.maven.apache.org/maven2/com/squareup/retrofit2/retrofit/2.8.1/retrofit-2.8.1.pom. Return code is: 501 , ReasonPhrase:HTTPS Required. -> [Help 1]

[BenjaminChilson]

Maven in IDE was different from Maven installed seperatley. IDE Maven was an earlier version, brought up to 3.6.3 after updating.

HTTPS error has gone away.

[sargunv]

https://stackoverflow.com/questions/59763531/maven-dependencies-are-failing-with-a-501-error