diff --git a/implementations/fabric-1.20/build.gradle.kts b/implementations/fabric-1.20/build.gradle.kts
index a9b51f4e2..5e0cfdea7 100644
--- a/implementations/fabric-1.20/build.gradle.kts
+++ b/implementations/fabric-1.20/build.gradle.kts
@@ -144,7 +144,7 @@ modrinth {
 		.readText()
 		.replace("{version}", project.version.toString()))
 	uploadFile.set(tasks.findByName("remappedShadowJar"))
-	gameVersions.addAll("1.20", "1.20.1", "1.20.2")
+	gameVersions.addAll("1.20", "1.20.1", "1.20.2", "1.20.3")
 	dependencies {
 		required.project("P7dR8mSH") // Fabric API
 	}
@@ -168,6 +168,7 @@ curseforge {
 		addGameVersion("1.20")
 		addGameVersion("1.20.1")
 		addGameVersion("1.20.2")
+		addGameVersion("1.20.3")
 
 		mainArtifact(tasks.findByName("remappedShadowJar"), closureOf<CurseArtifact> {
 			relations(closureOf<CurseRelation> {
diff --git a/implementations/paper/build.gradle.kts b/implementations/paper/build.gradle.kts
index a83871dda..044288bae 100644
--- a/implementations/paper/build.gradle.kts
+++ b/implementations/paper/build.gradle.kts
@@ -145,7 +145,7 @@ hangarPublish {
 			register(io.papermc.hangarpublishplugin.model.Platforms.PAPER) {
 				jar.set(tasks.shadowJar.flatMap { it.archiveFile })
 				platformVersions.set(listOf(
-					"1.20.1", "1.20.2"
+					"1.20.1", "1.20.2", "1.20.3"
 				))
 			}
 		}
diff --git a/implementations/spigot/build.gradle.kts b/implementations/spigot/build.gradle.kts
index 7759a8040..481de101c 100644
--- a/implementations/spigot/build.gradle.kts
+++ b/implementations/spigot/build.gradle.kts
@@ -134,7 +134,7 @@ modrinth {
 		"1.17", "1.17.1",
 		"1.18", "1.18.1", "1.18.2",
 		"1.19", "1.19.1", "1.19.2", "1.19.3", "1.19.4",
-		"1.20", "1.20.1", "1.20.2"
+		"1.20", "1.20.1", "1.20.2", "1.20.3"
 	)
 }