diff --git a/pom.xml b/pom.xml
index e0b9bdb..7f6f2c9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,8 +21,8 @@
         <maven.compiler.target>${java.version}</maven.compiler.target>
 
         <!-- DEPENDENCIES VERSIONS -->
-        <slf4j.version>2.0.0-alpha0</slf4j.version>
-        <pi4j.version>2.0-SNAPSHOT</pi4j.version>
+        <slf4j.version>1.7.30</slf4j.version>
+        <pi4j.version>2.0</pi4j.version>
         <javafx.version>15.0.1</javafx.version>
 
         <!-- BUILD PLUGIN VERSIONS -->
@@ -30,21 +30,6 @@
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
     </properties>
 
-    <!-- DEPENDENCY REPOSITORIES -->
-    <repositories>
-        <repository>
-            <id>oss-snapshots-repo</id>
-            <name>Sonatype OSS Maven Repository</name>
-            <url>https://oss.sonatype.org/content/groups/public</url>
-            <releases>
-                <enabled>false</enabled>
-            </releases>
-            <snapshots>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
-    </repositories>
-
     <dependencies>
         <dependency>
             <groupId>org.slf4j</groupId>